ecoscience - Landschaftsökologie & Naturwissenschaft

Presentations (253)

253. Determination of origin and authenticity of fish by elemental and Sr – isotopic fingerprints (2018): Zitek, A; Diesner, M; Tchaikovsky, A; Opper, C; van den Oever, S; Zanella, C; Knezevic, S; Schwendinger, S; Madl, E; Laure, V; Prohaska; T. 2nd International MoniQA Symposium on Food Fraud Prevention and Effective Food Allergen Management, Vösendorf, Wien, JUN 7-8, 2018.

252. Sandak, A; Sandak, J; Zitek, A; Hinterstoisser, B (2018): Industry 4.0 in forestry – NIR spectroscopy and hyperspectral imaging input. VIII Simposio Italiano di Spettroscopia NIR (NIRITALIA 2018), Genova, MAI 30-31, 2018.

251. Tchaikovsky, A; Zitek, A; Boner, M; Prohaska, T (2018): Authenticity and origin of sturgeon caviar - towards an European database for caviar traceability . 2nd International MoniQA Symposium on Food Fraud Prevention and Effective Food Allergen Management , Vösendorf, Wien, JUN 7-8, 2018.

250. Zitek, A; Diesner, M; Tchaikovsky, A; Opper, C; Prohaska, T (2018): IsoPROTECT - Towards a terrestrial and aquatic physicochemical landscape of Austria for testing the provenance of food by citizen involvement. 2nd International MoniQA Symposium on Food Fraud Prevention and Effective Food Allergen Management, Vösendorf, Vienna, JUN 7-8, 2018.

249. Zitek, A; Strauss-Sieberth, A; Ruffeis, D. (2018): Online-Teaching of Creative Writing of Scientific Publications and Project Proposals Using Google Apps. New Perspectives in Science Education - Edition 7, Florenz, MAR 22-23, 2018.

248. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Prohaska, T (2018): CSI: TRACE your FOOD! / IsoPROTECT, Lernatelier - Future Classroom Lab. Bildung Online 2018, Hall in Tirol, Austria, May 23-25, 2018.

247. Zitek, A(2018): IsoPROTECT - Isotopenlandkarte Österreichs zur Herkuntsbestimmung regionaler Lebensmittel. Young Science-Botschafter/innen Besuch im Rahmen der Zusammenarbeit von Wissenschaft & Schule im Gymnasium BGBRG Groß Enzersdorf , APR 26, 2018, Groß Enzersdorf, AUSTRIA

246. Zitek, A; Tchaikovsky, A; Diesner, M; Opper, C; Prohaska, T(2018): CSI: TRACE your FOOD! Herkunftsbestimmung von Lebensmitteln mit Massenspektrometrie. Umwelt.Wissen Tagen für Kids, JAN 17-18, 2018, Tulln, AUSTRIA

245. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Prohaska, T(2018): IsoPROTECT - Isotopenlandkarte Österreichs: Herkunftsbestimmung von Nahrungsmitteln aus regionaler Produktion in Österreich anhand des Multielement- und Isotopenfingerabdrucks . Internationalen OCCE.2018 Open Conference on Computers in Education, IFIP TC 3 "Empowering Learners for Life in the Digital Age , JUN 25-28, 2018, Linz, Austria

244. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Prohaska, T,(2018): Top Citizen Science IsoPROTECT - Isototopenlandkarte Österreichs und CSI: TRACE your FOOD!: Herkuntsbestimmung regional erzeugter Lebensmittel in Österreich. Lange Nacht der Forschung, APR 13, 2018, Tulln, AUSTRIA

243. Irrgeher, J., Dutschke, F., Reese, A., Retzmann, A., Zimmermann, T., Prohaska, T., Wieser, M. E., Zitek, A., Proefrock, D. (2017): Multi-isotope tracers to investigate processes in river catchment systems: Selected application examples using B, Mo, Sr, Pb, and Ti isotope ratios assessed by MC ICP-MS. EWCPS2017, St. Antona, 19.-24. Fabruary.

242. Irrgeher, J., Dutschke, F., Reese, A., Retzmann, A., Zimmermann, T., Prohaska, T., Wieser, M. E., Zitek, A., Proefrock, D. (2017): Multi-isotope tracers to investigate processes in the Elbe, Weser and Ems river catchment using B, Mo, Sr, and Pb isotope ratios assessed by MC ICP-MS. EGU, Vienna, 23.-28. April 2017.

241. Retzmann, A., Blanz, M., Irrgeher, I., Zitek, A., Feldmann, J., Prohaska, T. (2017): Spectral Insights: Multi-dimensional approach to evaluate the diagenetic status of skeletal remains with respect to strontium isotope ratio measurements. EWCPS2017, St. Anton, 19.-24. February 2017.

240. Retzmann, A., Blanz, M., Irrgeher, J., Zitek, A., Feldmann, J. Prohaska, T. (2017): Spectral insights: multi-dimensional approach to evaluate the diagenetic status of skeletal remains for Sr isotope analysis. 13th ASAC JunganalytikerInnen-Forum, Vienna, 12.-13. May 2017.

239. Tchaikovsky, A; Irrgeher, J; Zitek, A; Prohaska, T (2017): Analytical challenges of origin determination of processed authentic food on the example of sturgeon caviar and aquacultured fish. 8th International Symposium on Recent Advances in Food Analysis (RAFA 2017) , Prag, NOV 7-10, 2017.

238. Tchaikovsky, A; Zitek, A; Irrgeher, J; Opper, C; Scheiber, R; Prohaska, T (2017): Tracing the origin of the "black gold": Elemental and isotopic pattern of sturgeon caviar and the influence of water, feeding and processing . EWCPS2017, St. Anton, FEB 19-24, 2017.

237. Zannella, C; Adamo, P; Opper, C; Schwendinger, S; Knezevic, S; Van den Oever, S; Tchaikovsky, A; Zitek, A; Prohaska, T (2017): Isotopic and elemental analysis of fish tissues for provenance determination. European Geosciences Union General Assembly 2017, Vienna, APR 23–28, 2017.

236. Zitek, A. (2017): Hyperspectral Imaging as Tool for Precision Agriculture under Changing Climate Conditions and to Study the Quality of Feed and Food along the Whole Production Chain. Austrian-Taiwan Joint Seminar, Taipeh, DEC 13-17, 2017.

235. Zitek, A.; Prowatke, I. (2017): CSI: TRACE your FOOD! / IsoPROTECT: Herkunftsnachweis von Lebensmitteln (im Muster-Klassenzimmer der Zukunft). Interpädagogica [west], Salzburg, NOV 23-25, 2017.

234. Zitek, A; Tchaikovsky, A; Bakhshalizadeh, S; Irrgeher, A; Opper C; Congiu, L; Boner, M; Prohaska, T (2017): Using modern analytical ecogeochemical methods to study and protect sturgeon populations. ISS8 - 8th International Symposium on Sturgeons , Vienna, SEP 10th - 16, 2017.

233. Zitek, A; Tchaikovsky, A; Prohaska, T (2017): Chemische Fingerabdrücke und Nachverfolgbarkeit von Fischen in Ökologie und Lebensmittelkontrolle . Fischereifachtagung Mondsee, Scharfling, Mondsee, NOV 23-24, 2017.

232. Zitek, A; Poppe, M (2017): Naturwissenschaftliche Forschung - Fokus Fließgewässer - Traisen. Young Science-Botschafter/innen Besuch im Rahmen der Zusammenarbeit von Wissenschaft & Schule, MAR 08, 2017, Neuberg a.d. Mürz

231. Irrgeher, J; Dutschke, F; Zimmermann, T; Prohaska, T; Zitek, A; Kleeberg, U; Pröfrock, D (2016): ISOTOPES AS TRACERS IN THE AQUATIC ENVIRONMENT: SELECTED APPLICATIONS USING SR, PB AND TI ISOTOPE RATIOS ASSESSED BY MC ICP-MS. 12. SYMPOSIUM MASSENSPEKTROMETRISCHE VERFAHREN DER ELEMENTSPURENANALYSE UND 25. ICP-MS ANWENDERTREFFEN, Siegen, SEP 12-15, 2016.

230. Irrgeher, J; Prohaska, T; Zitek, A; Kleeberg, U; Erbsloeh, H-B; Karcher, D B; Zimmermann, T; Von der Au, M; Pröfrock, D (2016): Tracing of Nutrients and Pollutants in the German Wadden Sea Catchment via the Establishment of Aquatic Isoscapes . 49. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie (DGMS), Hamburg, 28 FEB - 02 MAR, 2016.

229. Irrgeher, J; Prohaska, T; Zitek, A; Kleeberg, U; Erbsloeh, H.-B; Karcher, D.B; Zimmermann, T; Au, M. v.d.; Proefrock, D (2016): Isotopic Tracer Tool for Nutrients and Pollutants in the Marine Ecosystem of the German Wadden Sea. 2016 Winter Conference on Plasma Spectrochemistry, JAN 11 – 16, 2016 , Tucson, Arizona.

228. Irrgeher, J; Prohaska, T; Zitek, A; Kleeberg, U; Zimmermann, T; Proefrock, D (2016): FROM SOURCE TO SINK - ELEMENTAL AND ISOTOPIC DISTRIBUTION MAPS IN THE GERMAN WADDEN SEA CATCHMENT. International Conference Series on Environmental and Food Monitoring - Outstanding Solutions for a Better Life - ISEAC 39 , Hamburg, JUL 19 - 22, 2016.

227. Kerti-Badak, K; Németh, S; Zitek, A; Firtha, F (2016): Hyperspectral checking of fructose content in marzipan. 1st International Conference on Biosystems and Food Engineering, Budapest, 08.12.2016.

226. Poppe, M; Böck, K; Loach, A; Scheikl, S; Zitek, A; Heidenreich, A; Kurz-Aigner, R; Schrittwieser, M; Muhar, S (2016): System understanding as a basis for sustainable decision-making. A science – school collaboration within the Sparkling Science project "Traisen w3". EGU General Assembly , Vienna, APR 17 – 22, 2016.

225. Poppe, M; Böck, K.; Zitek, A.; Scheikl, S.; Loach, A.;Muhar, S (2016): Young people`s perception of river status and processes in river landscapes as starting point for participatory processes. Tagung der Deutschen Gesellschaft für Limnologie, Wien, 26.9. - 30.9.2016.

224. Prohaska, T; Irrgeher, J; Opper, C; Zitek, A (2016): PROVENANCE OF FOOD BY ELEMENTAL AND ISOTOPIC FINGERPRINTING - FIGHTING FRAUD WITH ANALYTICAL SCIENCE. International Conference Series on Environmental and Food Monitoring - Outstanding Solutions for a Better Life - ISEAC 39 , Hamburg, JUL 19 - 22, 2016.

223. Prohaska, T; Irrgeher, J; Zitek, A (2016): How can analytical chemistry serve bioecomomy? Isotoptic tools in support of EU policies. 15th International Symposium: "Prospects for the 3rd Millennium Agriculture" , Cluj-Napoca, SEP 29 - OCT 1, 2016.

222. Prohaska, T; Irrgeher, J; Zitek; A (2016): Isotopes as Indicators of the Environmental Past. 2016 Winter Conference on Plasma Spectrochemistry, Tucson, Arizona, JAN 11 – 16, 2016.

221. Prohaska, T; Irrgeher, J; Zitek, A (2016): Ein Blick auf die Welt aus Sicht der Isotopenforschung. 12. SYMPOSIUM MASSENSPEKTROMETRISCHE VERFAHREN DER ELEMENTSPURENANALYSE UND 25. ICP-MS ANWENDERTREFFEN , Siegen, SEP 12-15, 2016.

220. Retzmann, A; Blanz, M; Irrgeher, J; Zitek, A; Feldmann, J; Prohaska T. (2016): MULTI-DIMENSIONAL APPROACH TO EVALUATE THE DIAGENETIC STATUS OF SKELETAL REMAINS WITH RESPECT TO STRONTIUM ISOTOPE RATIO MEASUREMENTS. 4. DocDay, Vienna, 18. Oct. 2016.

219. Retzmann, A; Blanz, M; Irrgeher, J; Zitek, A; Feldmann, J; Prohaska, T. (2016): MULTI-DIMENSIONAL APPROACH TO EVALUATE THE DIAGENETIC STATUS OF SKELETAL REMAINS WITH RESPECT TO STRONTIUM ISOTOPE RATIO MEASUREMENTS. 12. SYMPOSIUM MASSENSPEKTROMETRISCHE VERFAHREN DER ELEMENTSPURENANALYSE UND 25. ICP-MS ANWENDERTREFFEN, Siegen, SEP 12-15, 2016.

218. Sandak, J; Sandak, A; Picchi, G; Böhm, K; Zitek, A; Hinterstoisser; B (2016): NIR spectroscopy as a tool for in-field determination of log/biomass quality index in mountain forests – SLOPE project approach. Workshop: Application of NIR spectroscopy in wood science and technology NIR & WOOD – SOUNDS GOOD! – second edition within the frame of the COST Action FP1407 "Understanding wood modification through an integrated scientific and environmental impact approach (ModWoodLife)" , San Michele all' Adige , APR 19-21, 2016.

217. Tchaikovsky, A; Zitek, A; Irrgeher, J; Opper, C; Scheiber, R; and Prohaska, T (2016): Tracing the origin of the "black gold": Analytical challenges and potential of (MC) ICP-MS for provenancing sturgeon caviar. DocDay, Tulln, AUSTRIA, OKT 18, 2016.

216. Zitek, A. (2016): BOKU Science TV: Web-basiertes mobiles Lehren und Lernen mittels Web-Conferencing, Live streaming und Online Apps. BildungOnline, Hall in Tirol, MAY 3-7, 2016.

215. Zitek, A; Böhm, K; Firtha, F; Parrag, V; Hinterstoisser, B (2016): Near Infrared Hyperspectral Imaging - Background and Aplication for Wood Characterization. 1st International Conference on Biosystems and Food Engineering, Budapest, 08.12.2016.

214. Zitek, A; Böhm, K; Firtha, F; Parrag, V; Hinterstoisser, B (2016): DETECTION AND SPECTRAL CHARACTERIZATION OF RESIN POCKETS IN SPRUCE BY FTNIR AND NIR HYPERSPECTRAL IMAGING. Workshop: Application of NIR spectroscopy in wood science and technology NIR & WOOD – SOUNDS GOOD! – second edition within the frame of the COST Action FP1407 "Understanding wood modification through an integrated scientific and environmental impact approach (ModWoodLife)", San Michele all' Adige , APR 19-21, 2016.

213. Zitek, A; Böhm, K; Firtha, F; Parrag, V; Hinterstoisser, B (2016): NEAR INFRARED HYPERSPECTRAL IMAGING – BACKGROUND AND APPLICATION FOR WOOD CHARACTERIZATION. Workshop: Application of NIR spectroscopy in wood science and technology NIR & WOOD – SOUNDS GOOD! – second edition within the frame of the COST Action FP1407 "Understanding wood modification through an integrated scientific and environmental impact approach (ModWoodLife)", San Michele all' Adige , APR 19-21, 2016.

212. Zitek, A; Prohaska, T (2016): LA-ICP-MS of fish otoliths as tool to rpove the indication of the catch and production area according to the EU regulation No 1379/2013. 15th International Symposium: "Prospects for the 3rd Millennium Agriculture" , Cluj-Napoca, SEP 29 - OCT 1, 2016.

211. Zitek, A; Prohaska, T; Michalek, C-R; Hinterstoisser, B (2016): BOKU SCIENCE TV: AN ENGAGING VIRTUAL CLASSROOM FOR REAL-TIME TEACHING AND COLLABORATION BASED ON LIVE-STREAMING, VIDEOCONFERENCING AND ONLINE APPS. EDULEARN16, the 8th annual International Conference on Education and New Learning Technologies, Barcelona, JUL 4-6, 2016.

210. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Sarne, J; Pajkic, D; Höfer; S; Prohaska, T (2016): Implementing multi-element and isotopic fingerprinting as tool for food authentication in Austria: scientific background, potential and relevant legal aspects. FOODINTEGRITY 2016 Conference, Prague, APR 6-7, 2016.

209. Irrgeher, J; Prohaska, T; Zitek, A; Proefrock, D (2016): Development of a Multi-Isotope Tracer Tool for Aquatic Ecosystems on the Example of the German Wadden Sea. Joint Seminar Austria-Taiwan 2016: An Interdisciplinary View on Climate Change Issues (II), APR 13 - 15, 2016, Vienna, AUSTRIA

208. Prohaska, T; Irrgeher, J; Zitek, A (2016): The use of stable isotopes to trace soil erosion. Joint Seminar Austria-Taiwan 2016: An Interdisciplinary View on Climate Change Issues (II), APR 13 - 15, 2016, Vienna, AUSTRIA

207. Zitek, A; Firtha, F; Parrag, V; Böhm, K; Hinterstoisser, B (2016): Hyperspectral Imaging Principles for a Planned Food Quality Center in Austria. HEADWALL'S MUNICH RESELLER CONFERENCE, MAY 8-10, 2016, Müchen

206. Zitek, A; Firtha, F; Parrag, V; Böhm, K; Hinterstoisser, B (2016): Hyperspectral Imaging as versatile tool in Food Quality Assessment. INNOVATIONS IN FOOD & FEED SAFETY: EDUCATION – RISK ANALYSIS – NOVEL METHODOLOGIES, 05.04.2016, IFA‐Tulln / BOKU Department of Agrobiotechnology

205. Zitek, A; Irrgeher, J; Prohaska, T; (2016): A multiscale approach of analytical ecogeochemistry in climate change research: background and tools in the context of aquatic ecosystems. An Interdisciplinary View on Climate Change Issues (II) - Austria-Taiwan Joint Seminar 2016, APR 13 - 15, 2016, Vienna, AUSTRIA

204. Draxler, J; Zitek, A; Meischel, M; Stanzl-Tschegg, S; Mingler, B; Martinelli; E; Weinberg, A; Santner, J; Prohaska, T (2015): Chemical imaging of the elemental degradation behavior of biodegradable Mg alloys in mineralized bone tissue by LA-ICP-MS. European Winter Conference on Plasma Spectrochemistry, Münster, FEB 22-26, 2015.

203. Draxler, J; Zitek, A; Meischel, M; Stanzl-Tschegg, SE; Mingler, B; Martinelli, E; Weinberg, A; Prohaska, T (2015): Regionalized quantitative determination of the spatial distribution of biodegradable Mg alloys in mineralized bone tissue by LA-ICP-MS. 11th ASAC JunganalytikerInnen Forum, Innsbruck, JUN 12-13, 2015.

202. Irrgeher, J; Proefrock, D; Prohaska, T; Zitek, A; Prange, A (2015): Development of a Multi-Isotope Tracer Tool for Aquatic Ecosystems on the Example of the German Wadden Sea. Goldschmidt 2015, Prague, AUG 16-21, 2015.

201. Irrgeher, J; Teschler-Nicola, M; Zitek, A; Prohaska, T (2015): Sr Isotopes as Tracers in Archaeological Sciences. Isotopes 2015 - Isotope effects across disciplines, Jerusalem, Israel, JUN 21-26, 2015.

200. Irrgeher, J; Zitek, A; Prohaska, T (2015): 'Isotope pattern deconvolution' – a key tool for isotope ratio data evaluation of natural and enriched isotope mixtures. European Winter Conference on Plasma Spectrochemistry, Münster, FEB 22-26, 2015.

199. Oehm, J; Irrgeher, J; Tchaikovsky, A; Thalinger, B; Traugott, M; Prohaska, T; Zitek, A (2015): Provenancing fish in freshwaters of the Alpine Foreland using Sr/Ca and 87Sr/86Sr ratios in otoliths and otolith shape parameters. XV European Congress of Ichthyology., Porto, SEP 7 - 11, 2015.

198. Poppe, M; Zitek, A; Böck, K; Scheikl, S; Heidenreich, A; Kurz-Aigner, R; Schrittwieser, M; Muhar, S (2015): The enhancement of environmental literacy of High School students within the Sparkling Science project "Traisen w3". EGU General Assembly 2015, Wien, APR 12 – 17, 2015.

197. Prohaska, T; Draxler, J; Irrgeher, J; Zitek, A (2015): Simultaneous chemical imaging of the elemental and isotopic distribution in biological hard tissues by LA-ICP-MS. 18. Tagung Festkörperanalytik, Vienna, JUL 6-8, 2015.

196. Prohaska, T; Irrgeher, J; Draxler, J; Zitek, A (2015): Analysis of spatially resolved isotopic images assessed by LA-ICP-MS by using isotope pattern deconvolution and data reduction by means of ArcGIS. Goldschmidt 2015, Prague, AUG 16-21, 2015.

195. Prohaska, T; Irrgeher, J; Draxler, J; Zitek, A (2015): Spiking, marking and tracing – Isotopic tools as specific monitors and markers of elemental fluxes. Isotopes 2015 - Isotope effects across disciplines, Jerusalem, Israel, JUN 21-26, 2015.

194. Prohaska, T, Irrgeher, J; Teschler-Nicola, M; Zitek, A (2015): Sr Isotopes as Tracers. in Archaeological Sciences. Geoanalysis - The 9th International Conference on the Analysis of Geological and Environmental Materials, Leoben, AUG 09-14, 2015.

193. Prohaska, T; Irrgeher, J; Zitek, A (2015): Traceability of food and agricultural products. 14th International Symposium: Prospects for the Third Millennium Agriculture, Cluj-Napoca, SEP 24-26, 2015.

192. Prohaska, T; Irrgeher, J; Zitek, A; Huemer, C; Novotny, F; Spannagl-Steiner, M; Teschler-Nicola, M (2015): Tracing Mobility in the Early Medieval Settlement of Thunau/Kamp by Strontium Isotope Ratios in Human and Animal Remains Via Regional Isoscapes and Nutritional Sources. UK Archaeological Science Conference (UKAS 2015), Durham, UNITED KINGDOM, APR 8-11, 2015.

191. Prohaska, T; Tchaikovsky, A; Irrgeher,J; Zitek, A (2015): Traceability of Food and Agricultural Products in the Danube Catchment. 6 th CASEE conference "Latest Trends in Bioeconomy in Danube Region" , Nitra, Slovak Republic, MAY 24–26, 2015.

190. Prohaska, T; Zitek, A; Irrgeher, J (2015): Application of isotopes in analytical ecogeochemistry as climate change indicators. Taiwan-Austrian Joint-Seminar: An interdisciplinary view on climate change issues - perspectives for future development, Taipeh, MAR 30 - APR 2, 2015.

189. Prohaska, T; Zitek, A; Irrgeher, J (2015): Isotopen als Indikatoren für die Umweltgeschichte. 68. Minisymposium des Zentrums für Umweltgeschichte - Umweltgeschichte im Dialog, Wien, May 29, 2015.

188. Retzmann, A., Irrgeher, J., Zitek, A., Budka, J., Prohaska, T. (2015): Human mobility along the Nile: Preliminary strontium isotope analyses for migration studies in ancient Nubia. 3rd DocDay, Tulln, AUSTRIA, OCT 13, 2015.

187. Retzmann, A., Irrgeher, J., Zitek, A., Budka, J., Prohaska, T. (2015): HUMAN MOBILITY ALONG THE NILE: PRELIMINARY STRONTIUM ISOTOPE ANALYSES FOR MIGRATION STUDIES IN ANCIENT NUBIA . 14th Austrian Stable Isotope User Group Meeting, Tulln, AUSTRIA, Nov 26-27, 2015.

186. Sittenthaler, M; Wanek, W; Zitek, A; Prohaska, T; Parz-Gollner, R; Hackländer, K (2015): Using stable isotopes to study feeding ecology of Eurasian otters (Lutra lutra) in freshwater habitats: preliminary results. IUCN European Otter Workshop, Stockholm, SWEDEN, JUN 8-11, 2015.

185. Tchaikovsky, A; Zitek, A; Irrgeher, J; Opper, C; Sarne, J; Diesner, M; Scheiber, R; and Prohaska, T (2015): Elemental and 87Sr/86Sr isotope pattern as a tool for provenancing sturgeon caviar. 3rd DocDay, Tulln, AUSTRIA, OCT 13, 2015.

184. Tchaikovsky, A; Zitek, A; Irrgeher, J; Opper, C; Sarne, J; Diesner, M; Scheiber, R; and Prohaska, T (2015): Elemental and 87Sr/86Sr isotope pattern as a tool for provenancing sturgeon caviar. 14th SINA Meeting 2015 , Tulln, AUSTRIA, NOV 26-27, 2015.

183. Tchaikovsky, A; Zitek, A; Irrgeher, J; Opper, C; Sarne, J; Scheiber, R; Prohaska, T (2015): 87Sr/86Sr isotope pattern as a tool for provenancing of sturgeon caviar. 7th International Symposium on Recent Advances in Food Analysis (RAFA 2015), Prague, NOV 3-6, 2015.

182. Tchaikovsky, A; Zitek, A; Irrgeher, J; Prohaska, T (2015): Elemental and isotopic map of the Danube" - Analysis of the elemental composition and 87Sr/86Sr from source to mouth using (MC) ICP-MS. European Winter Conference on Plasma Spectrochemistry, Münster, FEB 22-26, 2015.

181. Zitek, A (2015): Unterricht - einmal online: online arbeiten mit dem Pannoneum im Burgendland. BildungOnline, Hall in Tirol, AUSTRIA, MAY 12-13, 2015.

180. Zitek, A; Draxler, J; Meischel, M; Rudel, B; Grillmayer, R; Irrgeher, J; Prohaska, T (2015): Improving the spatial analysis and interpretation of LA-ICPMS data by the application of GIS methods - considerations on achievable spatial resolution, uncertainties and multilayer interpretation. European Winter Conference on Plasma Spectrochemistry, Münster, FEB 22-26, 2015.

179. Zitek, A., Firtha, F., Böhm, K., Parrag, V., Sandak, J., Hinterstoisser, B. (2015): Inspection of log quality by hyperspectral imaging. Interdepartmental Workshop on Hyperspectral Imaging, Tulln, MAR 20, 2015.

178. Zitek, A; Irrgeher, J; Kirchmaier, L; Oehm, J; Tchaikovsky, A; Retzmann, A; Prohaska, T (2015): Elemental and isotopic composition of different hard parts of freshwater fish: background and applications. 14th International Symposium: Prospects for the Third Millennium Agriculture, Cluj-Napoca, SEP 24-26, 2015.

177. Zitek, A; Prohaska, T (2015): Historical hard parts of aquatic animals and their potential to reconstruct past climate and food webs. Taiwan-Austrian Joint-Seminar: An interdisciplinary view on climate change issues - perspectives for future development, Taipeh, MAR 30 - APR 2, 2015.

176. Zitek, A; Prohaska, T. (2015): The wooden mass spec. BildungOnline 2015, Hall in Tirol, AUSTRIA, MAY 12-13, 2015.

175. Zitek, A; Prohaska, T. (2015): BOKU Science TV e-learning. BildungOnline 2015, Hall in Tirol, AUSTRIA, MAY 12-13, 2015.

174. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Prohaska, T. (2015): CSI:TRACE your FOOD! SchülerInnen des Franziskanergymnasiums Hall i. T. auf der Spur heimischer Lebensmittel anhand des Multielement- und Isotopenfingerabdrucks. BildungOnline 2015, Hall in Tirol, AUSTRIA, MAY 12-13.

173. Zitek, A; Tchaikovsky, A; Opper, C; Diesner, M; Prohaska, T. (2015): Classroom-Science-Interaction CSI: TRACE your FOOD! Determination of provenance of food from regional production in Austria on the basis of multi-element and strontium isotopic fingerprinting. 6 th CASEE conference "Latest Trends in Bioeconomy in Danube Region" , Nitra, Slovak Republic, MAY 24–26, 2015.

172. Prohaska, T; Zitek, A; Irrgeher, J; Horsky, M; Tchaikovsky, A; Draxler, J; Sturm, M; Hanousek, O (2015): (NETRADIČNÍ) IZOTOPOVÉ SYSTÉMY V ANALYTICKÉ EKOGEOCHEMII. 8. kurz ICP-MS/OES 2015, MAY 25-28, 2015, Brno.

171. Zitek, A; Poppe, M(2015): Überblick über laufende Forschung in Österreich - Warum w ird gerade dort geforscht und mit welchem Ziel? Young Science-Botschafter/innen Besuch im Rahmen der Zusammenarbeit von Wissenschaft & Schule, 21.12.2015 , BORG Neulengbach, Sindelarstr. 440.

170. Zitek, A; Tchaikovsky, A; Opper, T; Diesner, M; Prohaska, T .(2015): CSI: TRACE your FOOD! Herkunftsbestimmung von Nahrungsmitteln aus regionaler Produktion in Österreich anhand des Multielement- und Isotopenfingerabdrucks. Creative Classroom Lab Meeting , JAN 27, 2015, Bad Hofgastein.

169. Draxler, J., Zitek, A., Tschegg, S., Mingler, B., Weinberg, A. and Prohaska, T. (2014): Mass Spectrometric Imaging (MSI) – Quantification strategy for chemical images measured by LA-ICP-MS. Pumpaya Meeting 2014, May, 15 - 16, Mosonmagyaróvár.

168. Prohaska, T., Zitek, A., Irrgeher, J. (2014): Was is(s)t der Mensch? Natürliche chemische Elemente und Isotope im Garten als Bausteine des Lebens. Kinder UNI Tulln, AUG 19-22, 2014, Tulln, Austria.

167. Zitek, A.(2014): Schnittstelle Universität – Schule: Was wird gemacht – was wird gebraucht? iTEC summer school, JUN 23-25, 2014, Bad Hofgastein.

166. Zitek, A., Mayrhofer, B., Oehm, J., Irrgeher, J., Prohaska, T. (2014): Affordable 3D scanning of small otoliths for improved shape analysis by photogrammetry techniques. 5th International Otolith Symposium 2014 (IOS2014), Mallorca, OCT 20-24, 2014.

165. Zitek, A., Irrgeher, J., Prohaska, T. (2014): Transgenerational marking of freshwater fish otoliths using enriched stable Sr isotopes. 5th International Otolith Symposium 2014 (IOS2014), Mallorca, OCT 20-24, 2014.

164. Zitek, A; Firtha, F; Böhm, K; Parrag, V; Sandak, J; Hinterstoisser, B (2014): Inspection of log quality by hyperspectral imaging. Fifth IASIM conference in spectral Imaging, IASIM-14, Rome, DEC 3-5, 2014.

163. Zitek, A. (2014): Forschungsprojekt: Bedeutung von Fischschutz und Fischabstieg für potamodrome Fischarten. ÖWAV Tagung Wasserkraft und Ökologie: Wiederverleihung, Fische und Sedimente, Innsbruck, AUSTRIA, 12.11.2014.

162. Thomas Prohaska, Andreas Zitek, Johanna Irrgeher, Monika Horsky, Ondrej Hanousek (2014): Application of non traditional isotopes in analytical ecogeochemistry. Winter Conference on Plasma Spectrochemistry, Amelia Island, JAN 06, 2014.

161. Tchaikovsky, A., Zitek, A. Irrgeher, J., Prohaska, T. (2014): Elemental and isotopic map of the Danube: Analysis of the elemental composition and 87Sr/86Sr from source to mouth using (MC) ICP-MS. DocDay Tulln, Tulln, Austria, 16.10.2014.

160. Tchaikovsky, A., Zitek, A., Irrgeher, J., Prohaska, T. (2014): ‚Element- und Isotopenlandkarte Donau' – Analyse von Elementgehalt und 87Sr/86Sr von der Quelle bis zur Mündung mittels (MC) ICP-MS. 24. ICP-MS Anwendertreffen , Geesthacht, SEP 15-18, 2014.

159. Tchaikovsky, A., Zitek, A., Irrgeher, J., Prohaska, T. (2014): Danube catchment water chemistry monitoring - elemental composition analysis from source to mouth using ICP-MS. 10th ASAC Junganalytikerinnenforum, Tulln, Austria, JUN 13-14, 2014.

158. Tchaikovsky, A., Zitek, A., Congiu, L. and Prohaska, T. (2014): Advanced analytical methods for caviar provenancing- Using Sr isotopes, elemental pattern and genetics. 7th International Sturgeon Conference, Warsaw, Nov, 26.

157. Prohaska, T; Irrgeher, J; Zitek, A; Opper, T; Bonnet, S; Tchaikovsky, A (2014): Food provenance by elemental and isotopic fingerprint methods. IAEA - International Symposium on Food Safety and Quality: Applications of Nuclear and Related Techniques, Vienna, NOV 10-13, 2014.

156. Prohaska, T; Irrgeher, J; Zitek, A; Horsky, M; Teschler-Nicola, M; Reiter, C; (2014): Was ist geschehen? - Antworten auf Fragen von gestern und heute. Anwendung der modernen Isotopenanalytik in der FORENSIK und ARCHÄOMETRIE. 24. ICP-MS Anwendertreffen, Geesthacht, SEP 15-18, 2014.

155. Oehm, J; Zitek, A; Irrgeher J; Tchaikovsky, A; Thalinger, B; Prohaska, T; Traugott, M (2014): The spatial side of birds' feeding ecology: determining where cormorants take their prey by provenancing fish otoliths. British Ornithologist's Union Conference, Peterborough, UK, NOV 19, 2014.

154. Oehm, J; Zitek, A; Irrgeher, J; Tchaikovsky, A; Thalinger, B; Prohaska, T; Traugott, M (2014): Determining the feeding range of cormorants by elemental and isotopic provenancing of prey fish. 13th Austrian Stable Isotope User Group Meeting (SINA), Innsbruck, NOV 21-22, 2014.

153. Oehm, J., Zitek, A., Irrgeher, J., Tchaikovsky, A., Thalinger, B., Prohaska, T., Traugott, M. (2014): Determining the hunting grounds of the Great Cormorant by otolith shape and chemistry. 5th International Otolith Symposium 2014 (IOS2014), Mallorca, OCT 20-24, 2014.

152. Oehm, J; Thalinger, B; Manzl, L; Breitschopf, C; Steinmetz, S; Fenkart, G; Zitek, A; Prohaska, T; Traugott, M (2014): What fish do Cormorants eat in Alpine foreland freshwaters?. 9th International Conference on Cormorants, Osijek, APR 24-25, 2014.

151. Irrgeher, J., Zitek, A., Prohaska, T. (2014): Sr isotope pattern deconvolution of LA-MC ICP-MS data to detect individual-specific transgenerational marks in freshwater fish otoliths. 5th International Otolith Symposium 2014 (IOS2014), Mallorca, OCT 20-24, 2014.

150. Irrgeher, J., Zitek, A., Prohaska, T. (2014): Isotope pattern deconvolution": ein fundamentales Werkzeug zur Datenevaluierung bei Isotopen-Tracerstudien. 24. ICP-MS Anwendertreffen , Geesthacht, SEP 15-18, 2014.

149. Ihuț, A. Zitek, A., Weiss, S., Ratschan, C., Kaufmann, T., Holzer, G., Cocan, D., Constantinescu, R., Mireşan, V. (2014): Danube salmon (Hucho hucho) in Central and South Eastern Europe: A review for the development of an international program for the rehabilitation and conservation of Danube salmon populations. The 13th International Symposium of the University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca "Prospects for the Third Millennium Agriculture", Cluj-Napoca, ROMANIA, SEP 25-27, 2014.

148. Gessner, J; Bronzi, P; Zitek, A; Comoglio, P (2014): Overcoming river fragmentation - The need for harmonized and standardized procedures to operate and monitor fish passage in large river systems: the case of sturgeons. Riverine LIFE Platform Meeting: Strengthening populations of fish and other species through re-introduction, removal of barriers and habitats conservation , Tartu, Estonia, SEPT 10-12 2014.

147. Gangl, S., Irrgeher, J., Teschler-Nicola, M., Zitek, A., Prohaska, T. (2014): Autochthony in the Early Medieval Settlement of Thunau/Kamp? A question explored by 87Sr/86Sr isotope ratios using MC ICP-MS. 10th ASAC Junganalytikerinnenforum , Tulln, Austria, JUN 13-14, 2014.

146. Draxler, J., Zitek, A., Tschegg, S., Mingler, B., Weinberg, A., Prohaska, T. (2014): Mass spectrometric imaging - Quantification strategies for created bio-images measured by LA-ICP-MS. 10th ASAC Junganalytikerinnenforum, Tulln, Austria, JUN 13-14, 2014.

145. Draxler, J., Zitek, A., Tschegg, S., Mingler, B., Weinberg, A., Prohaska, T. (2014): Mass spectrometric imaging - Quantification strategies for created bio-images measured by LA-ICP-MS. European Geosciences Union, General Assembly 2014, Vienna, 27 April – 02 May, 2014 (Poster).

144. Poppe, M.; Zitek, A.; Scheikl, S.; Heidenreich, A.; Kurz, R.; Schrittwieser, M.; Muhar, S. (2014): Learning effects of active involvement of secondary school students in scientific research within the Sparkling Science project "FlussAu:WOW!". European Geosciences Union, General Assembly 2014, Vienna, 27 April – 02 May, 2014 (Poster).

143. Prohaska, T., Irrgeher, J., Horsky, M., Hanousek, O., Zitek, A. (2014): Non-traditional isotopes in analytical ecogeochemistry assessed by MC-ICP-MS. European Geosciences Union, General Assembly 2014, Vienna, 27 April – 02 May, 2014 (Poster).

142. Tchaikovsky, A., Zitek, A., Irrgeher, J., Prohaska, T. (2014): Danube catchment water chemistry monitoring - elemental pattern determination from source to mouth using ICP-MS. European Geosciences Union, General Assembly 2014, Vienna, 27 April – 02 May, 2014 (Poster).

141. Zitek, A. (2014): Fish passage design at cross-river obstacles – experiences from different countries, with potential relevance to Mongolia. FAO/TCF Workshop „Fish passage design at cross-river obstacles – experiences from different countries, with potential relevance to Mongolia, Selenge, MONGOLIA, APR 7-12, 2014.

140. Zitek, A. (2014): From ecology to fish pass design and monitoring to population modelling for sturgeons in the lower Danube. FAO/DDNI Workshop on „Fish tagging and monitoring in the lower Danube“ , Tulcea, 21 - 25 May 2014.

139. Zitek, A., Tchaikovsky, A., Irrgeher, J., Waidbacher, H., Prohaska, T. (2014): The 87Sr/86Sr aquatic isoscape of the Danube catchment from the source to the mouth as tool for studying fish migrations . European Geosciences Union, General Assembly 2014, Vienna, 27 April – 02 May, 2014 (Poster).

138. Zitek, A. (2014): Wissenschaftliches Arbeiten und statistische Auswertungen im Rahmen des Projektes "Messung der Atmungsaktivität von Honig-Bienen Apis mellifera" . Young Science Klimaforschungsprojekt der Sir Karl Popper Schule: „Klimaforschung in Österreich – the future we want!“, Mar 20-21, 2014, Universitäts und Forschungszentrum Tulln, BOKU-UFT.

137. Zitek, A., Irrgeher, J., Tchaikovsky, A., Prohaska, T. (2014): Woher kommt der Fisch? Fischherkunft mittels analytischer Chemie. Lange Nacht der Forschung, 04.04.2014, Tulln, NÖ.

136. Zitek, A .(2013): Fischabstieg/Fischschutz. Fachtagung "Wasserkraft - Quo vadis NGP?, Wien, 26.11.2013. In: Österreichs Energie, Tagungsunterlagen mit ausgedruckten Vortragsfolien.

135. Zitek, A. (2013): Principles of improved fish passage at cross-river obstacles, with relevance to China. FAO/IHE Workshop „ Principles of improved fish passage at cross-river obstacles, with relevance to China“ , Wuhan, China, OCT 22-25, 2013.f

134. Scheikl, S., Poppe, M., Preis, S., Zitek, A., Muhar, S. (2013): The Young People of Today are the Stakeholders of Tomorrow – the Potential of Integrating Youth into Applied River Landscape Research. [Poster] 5th European River Restoration Conference, Vienna, 11.-13.09.2013.

133. Draxler, J., Zitek, A., Tschegg, S., Mingler, B., Weinberg, A. and Prohaska, T. (2013): Investigation of degradation products of novel implant materials used in orthopaedic trauma - Chemical Imaging by LA-ICP-MS . [Poster] DocDay Tulln , Tulln, Oct 10.

132. Prohaska, T., Zitek, A., Hann, S., Kneifel, W., Domig, K., Schreiner, M., Dürrschmid, K., Krska, R., Bertiller, F., Baumgartner, S. und Kandler, W. (2013): Lebensmittelherkunft,-qualität, -echtheit und -sicherheit - Kernkompetenz aus einer Hand . Science meets business , Feb 26, Vienna (Poster).

131. Tchaikovsky, A., Zitek, A., Prohaska, T. (2013): Advanced analytical methods for caviar provenancing using Sr isotopes and elemental patterns. INTERNATIONAL WORKSHOP BIOLOGICAL AND HYDRAULIC BASIS OF FISH FREE PASSAGE IN REGULATED RIVERS, Moscow – Krasnodar, Russia, SEPT 16-21, 2013.

130. Zitek, A. (2013): FAO Pre-project “Re-establishing sustainable sturgeon fisheries across Europe”. INTERNATIONAL WORKSHOP BIOLOGICAL AND HYDRAULIC BASIS OF FISH FREE PASSAGE IN REGULATED RIVERS, Moscow – Krasnodar, Russia, SEPT 16-21, 2013.

129. Zitek, A. (2013): EIFAAC Project on “Development of Guidelines on the design of nature-like passes” . INTERNATIONAL WORKSHOP BIOLOGICAL AND HYDRAULIC BASIS OF FISH FREE PASSAGE IN REGULATED RIVERS, Moscow – Krasnodar, Russia, SEPT 16-21, 2013.

128. Zitek, A., Irrgeher, J., Horsky, M., Kletzl, M., Weismann, T., Prohaska, T. (2013): Transgenerational isotopic marking of carp Cyprinus carpio L. using a 86Sr/84Sr double spike. European Winter Conference on Plasma Spectrochemistry , Krakow, Poland, Feb. 10-15.

127. Zitek, A., Haunschmid, R., Ratschan, C., Vogl, R. (2013): Simulating the effects of hydropower dams on potamodromous fish populations with a special focus on downstream migration in river systems affected by multiple human pressures. [Poster], 5th European River Restoration Conference Vienna, 11.-13.09.2013.

126. Zitek, A. (2013): Fischpässe und Gewässerdurchgängigkeit: Stand der Technik und aktuelle Umsetzungsbeispiele . IRR Kompaktkurs Wasserkraft, Millenium Tower, Wien, 24.-25.06.2013.

125. Zitek, A. (2013): Science Booster - der mobile Forschungsbus. iTEC – FLUGTAG: Vorstellung des iTEC Cycle 5 Projektes „Science Booster“ im Classroom of the Future, Bundesgymnasiums und Bundesrealgymnasiums Klosterneuburg, 26.06.2013.

124. Irrgeher, J., Galler, P., Zitek, A., Teschler-Nicola, M. and Prohaska, T. (2013): Sr isotope ratios in calcium-rich matrices by (LA)-MC-ICPMS: An ongoing challenge. European Winter Conference on Plasma Spectrochemistry 2013, Krakow, Feb. 10-15.

123. Kirchmaier, L, Irrgeher, J., Prohaska, T., Zitek, A. (2013): Comparison of the elemental composition of different hard parts (otoliths, scales, fin rays, vertebrae and eye lenses) of freshwater fish using ICPMS. [Poster], European Geosciences Union, General Assembly 2013 , Vienna, Austria, 07 - 12 April 2013.

122. Prohaska, T. Irrgeher, J., Horsky, M., Zitek, A. (2013): The potential of isoscapes and isozones of non traditional isotopes in analytical ecogeochemistry. European Geosciences Union, General Assembly 2013 , Vienna, Austria, 07 - 12 April 2013.

121. Prohaska, T., Irrgeher, J., Kappel, S., Horsky, M., Koffler , D., Laaha, G., Leisch, F. and Zitek, A. (2013): The potential of isotopic research in analytical ecogeochemistry. European Winter Conference on Plasma Spectrochemistry 2013, Krakow, Feb. 10-15.

120. Zitek, A. (2013): Principles of Improved Fish Passage at Cross-river Obstacles, with Relevance to Southeast Asia. FAO/SEAFDEC Workshop on Fish Passage in Southeast Asia, Khon Kaen, Mar 16 - 21, 2013.

119. Zitek, A., Cervicek, M., Irrgeher, J., Horsky, M., Kletzl, M., Weismann, T., Prohaska, T. (2013): Transgenerational isotopic marking of carp Cyprinus carpio, L. using a 86Sr/84Sr double spike. European Geosciences Union, General Assembly 2013, Vienna, Austria, 07 - 12 April 2013.

118. Zitek, A. Irrgeher, J., Prohaska, T. (2013): Herkunftsbestimmung bei Fisch mittels Element- und Isotopenfingerabdruck . Generalversammlung des NÖ Teichwirteverbandes, Oberwaltenreith, Zwettl, Österreich,14.06.2013.

117. Zitek, A., Irrgeher, J., Prohaska, T. (2013): Herkunftsbestimmung bei Fisch mittels Isotopenfingerabdruck . BIO AUSTRIA Bauerntage, Wels, Schloß Puchberg, AUSTRIA, JAN 28-30, 2013.

116. Zitek, A., Vogl, R. (2013): Simplified causal modelling of fish-environment relations. Workshop Sustainicum - Dunavision (http://dunavision.eu/workshops/workshop-sustainicum-i/), 22.05.2013, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, Austria

115. Zitek, A., Vogl, R. (2013): SIFIM 1.1: Simplified fish-pressure modelling tool.. 1. AutorInnen-Workshop des Sustainicum Projekts (http://www.sustainicum.at), 15. March 2013 , University of Natural Resources and Life Sciences, Vienna.

114. Zitek, A., Irrgeher, J., Huber, R., Prohaska, T. (2012): Isotopic and elemental composition of different hard parts of fish and their ecogeochemical application. Isotope Research in Ecogeochemistry - Joint seminar, Division of Analytical Chemistry, Department for Chemistry, University of Natural Resources and Life Sciences Vienna 17.-20.09.2012, Tulln an der Donau, Österreich.

113. Irrgeher, J., Zitek, A., You, C.-F., Chung, C.-H., Liu, H.-C., Prohaska, T. (2012): Stable Sr isotope fractionation in biological and geological samples from an Alpine biosphere reserve: effects of metabolic processes and weathering. Isotope Research in Ecogeochemistry - Joint seminar, Division of Analytical Chemistry, Department for Chemistry, University of Natural Resources and Life Sciences Vienna 17.-20.09.2012, Tulln an der Donau, Österreich.

112. Cervicek, M., Zitek, A., Irrgeher, J., Prohaska, T. (2012): Transgenerationales Markieren von Karpfen (Cyprinus carpio) mittels eines Strontium-Isotopen-Doppelspikes. 23. ICPMS Anwendertreffen und 10. Symposium Massenspektrometrische Verfahren Elementspurenanalyse 2012, Universität für Bodenkultur 10.-12.09.2012, Tulln an der Donau, Österreich (Poster).

111. Irrgeher, J., Zitek, A., Teschler-Nicola, M., Prohaska, T. (2012): Sr-Isotopenverhältnis-Messungen in calciumreichen Probenmatrizes mittels LA-MC-ICPMS. 23. ICPMS Anwendertreffen und 10. Symposium Massenspektrometrische Verfahren Elementspurenanalyse 2012, Universität für Bodenkultur 10.-12.09.2012, Tulln an der Donau, Österreich.

110. Kendlbacher, F., Zitek, A., Waidbacher, H., Prohaska, T. (2012): Herkunftsbestimmung von Fischen aus Flusssystemen mit Hilfe von Element- und Isotopenbestimmung Gehörsteinen (Otolithen). 23. ICPMS Anwendertreffen und 10. Symposium Massenspektrometrische Verfahren Elementspurenanalyse 2012, Universität für Bodenkultur 10.-12.09.2012, Tulln an der Donau, Österreich (Poster).

109. Salles, P., Bredeweg, B., Noble, R., Zitek, A., Souza, A. (2012): Qualitative Model Patterns: a Toolkit for Learning by Modelling. 26th International Workshop on Qualitative Reasoning (QR 2012), Institute for Creative Technologies in Playa Vista, July 16th to 18th 2012, California, USA.

108. Kirchmaier, L., Zitek, A., Irrgeher, J., Prohaska, T. (2012): Multi-element LA-ICP-MS analysis of different hard parts of fish. Pumpaya, 13.-14.09.2012, Podersdorf am Neusiedlersee, Burgenland.

107. Zitek, A., Cervicek, M., Irrgeher, J., Horsky, M., Kletztl, M., Weismann, T., Prohaska, T. (2012): Transgenerational marking of carp Cyprinus carpio L. using a 86Sr/84Sr double spike. Pumpaya, 13.-14.09.2012, Podersdorf am Neusiedlersee, Burgenland.

106. Zitek, A., Irrgeher, J., Sailer, K., Trautwein, C., Waidbacher, H., Prohaska, T. (2012): Anwendungsmöglichkeiten einer 87Sr/86Sr Isoscape auf fischökologische Fragestellungen im Donaueinzugsgebiet. 23. ICPMS Anwendertreffen und 10. Symposium Massenspektrometrische Verfahren Elementspurenanalyse 2012, Universität für Bodenkultur 10.-12.09.2012, Tulln an der Donau, Österreich (Poster).

105. Zitek, A., Pacher, K., Honsig-Erlenburg, W., Schmutz, S. (2012): Attraction and passage efficiency of a fish pass within a chain of impoundments at the river Drau, Viellach, Austria. 9th International Symposium on Ecohydraulics 2012, 17-21 September, Vienna.

104. Zitek, A., Wimmer, H., Kaufmann, T. (2012): The potential of a video systems to monitor fish migrations at fish passes at the river Danube, Austria. 9th International Symposium on Ecohydraulics, 17-21 September, Vienna (Poster).

103. Zitek, A., Irrgeher, J., Kappel, S., Kendlbacher, F., Prohaska, T. (2012): Temporal resolution of LA-ICPMS analyses of fish hard parts. 22nd V.M. Goldschmidt Conference, 24-29 June 2012 , Montreal, Canada.

102. Irrgeher, J., Galler, P., Zitek, A., Teschler-Nicola, M., Prohaska, T. (2012): Sr isotopic investigations of calcium-rich matrices by LA-MC-ICPMS. 22nd V.M. Goldschmidt Conference, Montreal, Kanada, 24-29 June 2012.

101. Irrgeher, J. Zitek, A., Prohaska, T.(2012): Wo, woher oder wohin? Einsatz der modernen Isotopenanalytik zur Herkunftsbestimmung von Lebensmitteln. [Herbsttagung 2012 des Vereins Österreichischer Lebensmittel- und Biotechnologen in Kooperation mit der Österreichischen Gesellschaft für Analytische Chemie, Interuniversitäres Department für Agrarbiotechnologie IFA Tulln, 3430 Tulln, Österreich, 21.November 2012.

100. Prohaska, T., Horsky, M., Irrgeher, J., Zitek, A., Teschler-Nicola, M., Schulze-Koenig, T., Walcyk, T. (2012): Chemical imaging of isotopic spikes in hard tissues using LA-ICPMS. 22nd V.M. Goldschmidt Conference, Montreal, Kanada, 24-29 June 2012.

99. Zitek, A., Kappel, S. (2012): Woher? Wohin? Fischherkunft und -wanderung mit analytischer Chemie. Lange Nacht der Forschung, 27 April 2012, Tulln.

98. Zitek, A., Irrgeher, J., Sailer, K., Trautwein, C., Waidbacher, H., Prohaska, T. (2012): The applicability of an 87Sr/86Sr river isoscape to fish ecological questions in the Danube catchment. European Geosciences Union, General Assembly 2012, Vienna, Austria, 22 - 27 April 2012 (Poster).

97. Irrgeher, J., Galler, P., Zitek, A., Teschler-Nicola, M., Prohaska, T. (2012): 87Sr/86Sr Isotope Ratio Measurements of Calcium-rich matrices by (Laser Ablation)-Multiple Collector Inductively Coupled Plasma Mass Spectrometry: A Survey on Mass Discrimination and Matrix-Induced Interferences. European Geosciences Union General Assembly 2012, Vienna, Austria, 22 – 27 April 2012 (Poster).

96. Prohaska, T., Irrgeher, J., Zitek, A., Walczyk, T., Schulze-König, T., Teschler-Nicola, M. (2012): The use of strontium isotope ratios determined by (Laser Ablation) MC-ICPMS for the reconstruction of human and animal migration. MassSpec-Forum-Vienna-2012 - 23rd Mass Spectrometric Discussion-Meeting, 21.-22.02.2012, Vienna.

95. Zitek A., Poppe, M. , Stelzhammer, M., Muhar S. (2012): Conceptual causal modelling and simulation of river systems. Science Day, 17.2.2012, Lunz am See.

94. Zitek, A.(2012): Energieverbrauch und Nachhaltigkeit. Young Austrians Science Parlament (YASP) BG und BRG Klosterneuburg im Rahmen des iTEC Projektes, Jan 26, 2012, Klosterneuburg, Österreich.

93. Zitek, A., Irrgeher, J., Sailer, K., Trautwein, C., Kralik, M., Waidbacher, H., Hein, T., Prohaska, T. (2011): Isopscapes - a powerful tool for the management of large river systems. XI Isotope Research in Ecogeochemistry, IGL International Symposium 2011, Nov 14-17 Tainan, Taiwan.

92. Irrgeher, J., Zitek, A., Teschler-Nicola, M., Prohaska, T. (2011): The use of strontium isotopes as indicator of migration and mobility.XI Isotope Research in Ecogeochemistry, IGL International Symposium 2011, Nov 14-17 Tainan, Taiwan.

91. Oehm, J., Thalinger, B., Traugott, M., Zitek, A., Prohaska, T. (2011): Revealing feeding grounds of cormorants by analysing their prey remains. In: National Cheng Kung University, XI Isotope Research in Ecogeochemistry, IGL International Symposium 2011, Nov 14-17 Tainan, Taiwan.

90. Melcher A.H., Kremser H., Zitek A., Wolter C, Schulze T., Muhar S., Feld C., Schmutz S. (2011): Meta-analyses of rehabilitation projects to improve riverine fish populations. North American Benthological Society (NABS) Annual Meeting Providence, Rhode Island, USA, May 22 – 26, 2011.

89. Zitek, A., Poppe, M., Stelhammer, M., Muhar, S., Bredeweg, B. (2011): Evaluating the effects of a new qualitative simulation software (DynaLearn) on learning behavior, factual and causal understanding. Artificial Intelligence in education (AIED), Auckland, New Zealand, 28. June - 01.July 2011 (Poster).

88. Zitek, A., Poppe, M., Stelzhammer, M., Jung, A., Zacharias, M., Muhar, S. (2011): Educating river managers of the future by teaching conceptual systems understanding. International Conference on the Status and Future of the World’s Large Rivers, Vienna, Austria, 11.-14. April 2011 (Poster & short presentation).

87. Zitek, A., Poppe, M., Stelhammer, M., Muhar, S., Bredeweg, B. (2011): Evaluating the effects of a new qualitative simulation software (DynaLearn) on learning behavior, factual and causal understanding. 15th International Conference of Artificial Intelligence in Education, Auckland, New Zealand, 27 June - 1 July 2011 (Poster).

86. Zitek, A., Noble, R., Poppe, M., Stelzhammer, M., Muhar S., Bredeweg, B. (2011): Enabling causal systems understanding using a conceptual modelling workbench (invited presentation). North American Benthological Society (NABS) Annual Meeting, Providence, Rhode Island, USA, May 22 – 26, 2011.

85. Zitek, A., Irrgeher, J., Sailer, K., Trautwein, C., Kralik, M., Waidbacher, H., Hein, T., Prohaska, T. (2011): Isoscapes - a powerful tool for the management of large river systems. International Conference on the Status and Future of the World’s Large Rivers, Vienna, Austria, 11.-14. April 2011 (Poster & short presentation).

84. Zitek, A., Irrgeher, J., Jagsch, A., Kletzl, M., Weisman, T., Prohaska, T. (2011): Transgenerational marking of a freshwater fish species, Salmo trutta f.f., using an enriched 84Sr spike solution. European Geosciences Union, General Assembly 2011, Vienna, Austria, 03 – 08 April 2011 (Poster).

83. Sailer, K., Zitek, A., Waidbacher, H., Irrgeher, J., Prohaska, T. (2011): The potential of microchemical information in fish hard parts to study origin and migration in the Austrian Danube catchment. European Geosciences Union General Assembly 2011, Vienna, Austria, 03 – 08 April 2011 (Poster).

82. Prohaska, T., Irrgeher, J., Zitek, A., Walczyck, T., Schulze, T., Teschler-Nicola, M. (2011): Tracing and spiking. European Winter Conference on Plasma Spectrochemistry, Zaragoza, Spain, Jan 30 - Feb 4, 2011.

81. Poppe M., Zitek A., Stelzhammer M., Bredeweg B., Muhar S. (2011): How can we increase causal and structural system understanding in environmental science? First evaluation results of a conceptual modelling software (DynaLearn) in Austria. European Geosciences Union, General Assembly 2011, Vienna, Austria, 03 – 08 April 2011 (Poster).

80. Zitek A., Poppe, M., Stelzhammer, M., Jung, A., Zacharias, M., Muhar S. (2011): Educating river managers of the future by teaching conceptual systems understanding - Poster presentation at the DynaLearn stand. The Scientix Conference, 6-8 May, Brussels, Belgium (Poster).

79. Prohaska, T., Irrgeher, J., Zitek, A., Teschler-Nicola, M. (2010): Sr – an element shows the way – Applications of Sr isotopes for provenance, tracing and migration. American Geophysical Union (AGU), Fall Meeting, San Francisco, California, USA, 13-17 Dec, 2010.

78. Zitek, A., Jäger, P., Zeiringer, B. (2011): A Water Framework Directive (WFD) compliant determination of ecologically acceptable flows for Alpine Rivers in Austria. International Conference of Green Energy and Sustainable Development in the Alps, Trento, Italy, 27.02.-28.02.2011.

77. Poppe, M., Zitek A., Stelzhammer, M. (2011): Interdisziplinäre Arbeitsgruppe: ökologisches Gewässermanagement, Fließgewässerschutz, Flusslandschaften und Gewässerrevitalisierungen - EU-Forschungsprojekt DynaLearn (www.dynalearn.eu): Entwicklung interaktiver Lernsoftware, BOKU Forschungspool - Ringlehrveranstaltung (BOKU-Lehrende präsentieren ihre Forschungsthemen für Bachelor- und Master-Studierende), HS XX 18.01.2011.

76. Zitek A., Poppe, M., Stelzhammer, M., Jung, A., Zacharias, M., Muhar S. (2010): A new curriculum for teaching conceptual systems understanding of river catchments. International Conference on Ecological Informatics, Ghent, Belgium, 13-16 December.

75. Zitek A., Poppe, M., Stelzhammer, M., Jung, A., Zacharias, M., Muhar S. (2010): First evaluations of the effect of the DynaLearn software on conceptual understanding of river catchments. International Conference on Ecological Informatics, Ghent, Belgium, 13-16 December.

74. Kappel, S. Zitek, A., Irrgeher, J., Theiner, S., Prohaska, T. (2010): CHEMISCHE BILDER - WAS VERBIRGT SICH IM MIKROKOSMOS. Lange Nacht der Forschung Tulln, 05.11.2010.

73. Irrgeher, J., Zitek, A., Teschler-Nicola, M., Prohaska, T, (2010): The use of strontium isotopes as indicator of migration and mobility. 10th Stable Isotope Network Austria (SINA) Meeting, Seiberstdorf, AT, Nov 25-26, 2010 (Poster).

72. Irrgeher, J., Zitek, A., Teschler-Nicola, M., Prohaska, T. (2010): Anwendung von Strontium - Isotopensignaturen für Mobilitäts- und Migrationsstudien. Pangeo Austria 2010, Sep 15-19, 2010, Leoben, AUSTRIA (Poster).

71. Zitek, A., Irrgeher, J., Sturm, M., Brunner, M., Sailer, K., Altmann, M., Dillinger, B.,Waidbacher, H. and T. Prohaska (2010): IsoMark - a comprehensive assessment of the potential of isotopes in hard parts of freshwater fish to determine origin and migratory patterns using LA-(MC)-ICP-MS. Third INPAR workshop. Isotopes for improved management of nitrate pollution in aqueous resources (INPAR). 6th May 2010, Vienna, Environment Agency Austria (Umweltbundesamt GmbH).

70. Zitek, A. (2010): Die ökologisch notwendige Mindestwasserführung im Fischlebensraum, Basisansatz und Mesohabitatbewertung. Probennahmekurs Reinwasser 2010, RHV Trumerseen, Dr. Paul Jäger und BAW Scharfling, Seeham, 26.05.2010, Salzburg.

69. Zitek, A., Eberstaller, J., Schmutz S. (2010): Österreichischer Leitfaden zum Bau von Fischaufstiegshilfen (FAH`s). Arbeitskreis Ökologie, BMLFUW, 18.05.2010, Wien.

68. Zitek, A., Irrgeher, J., Sturm, M., Brunner, M., Dillinger, B., Prohaska, T. (2010): IsoMark - a comprehensive assessment of the potential of isotopes in hard parts of freshwater fish to determine origin and migratory patterns using LA-(MC)-ICP-MS. European Geosciences Union, General Assembly 2010, 02 – 07 May 2010, Vienna, Austria.

67. Jäger, P., Zitek, A. (2010): A water framework directive (WFD) compliant determination of eologically acceptable flows in alpine rivers - a river type specific approach. Poster at European Geosciences Union, General Assembly 2010, 02 – 07 May 2010, Vienna, Austria.

66. Poppe, M., Zitek, A., Salles, P., Bredeweg, B., Muhar, S.(2010): How can we cope with the complexity of the environment? A "Learning by modelling" approach using qualitative reasoning for developing causal models and simulations with focus on Sustainable River Catchment Management. Poster at European Geosciences Union, General Assembly 2010, 02 – 07 May 2010, Vienna, Austria.

65. Muhar, S., Poppe, M., Zitek, A. (2010): Floodplain management and education – towards a better social understanding of important ecosystems services provided by riverine landscapes". WETLANET Workshop "QR-modeling for wetlands management and education. Potentials and prospectives", 15-19 February, 2010, CLGe-BASc, Sofia.

64. Zitek, A., Preis, S., Poppe, M., Muhar, S. (2010): "Evaluating the potential of Qualitative Reasoning to capture and communicate knowledge on sustainable catchment management". WETLANET Workshop "QR-modeling for wetlands management and education. Potentials and prospectives", 15-19 February, 2010, CLGe-BASc, Sofia.

63. Zitek, A. (2009): WFD and connectivity problems: solutions at the European scale. Research days of the Finish Game & Fisheries Research Institute: The future of building up rivers, 17.-18.11.2009, Rovaniemi, Finland.

62. Gfrerer, V., P. Jäger, A. Zitek, R. Patzner (2009): Bewertung aquatischer Lebensräume an Fließgewässern mittels Mesohabitatkartierung. Poster bei der SIL Tagung 26.-28.10.2009, Salzburg.

61. Zitek, A., G. Zauner, S. Schmutz, S. (2009): The rehabilitation of potamodromous fish migrations in the Danube catchment with a special focus on the Danube salmon, Hucho hucho (L.) and the nase, Chondrostoma nasus (L.). International Workshop on the Restoration of Fish Populations 1-15 September, Düsseldorf, Germany.

60. Zitek, A., S. Preis, M. Poppe, S. Muhar (2009): Evaluating the potential of Qualitative Reasoning to capture and communicate knowledge on sustainable catchment management. 23rd International Workshop on Qualitative Reasoning (QR'09), 22-24 June 2009, Ljubljana, Slovenia.

59. Zitek, A. (2009): Studies on nase populations (Chondrostoma nasus, L.) in Austria: migration, habitat use and effects of river rehabilitation measures. Vortrag, 25.05.09, EAWAG, Forschungszentrum für Limnologie, Kastanienbaum, CH.

58. Zitek, A. (2009): Zur Gefährdungssituation der Nase, Chondrostoma nasus L., in Österreich. Informationsaustausch und Diskussion mit der Kerngruppe Nasenschutz unter der Leitung des WWF Schweiz. 25.05.09, EAWAG, Forschungszentrum für Limnologie, Kastanienbaum, CH.

57. Schmutz, S., Zitek, A., & Jungwirth, M. (2009): Bedeutung der Fischwanderung für dieökologische Funktionsfähigkeit von Gewässern. Seminar des ÖWAV, Wien, zur Durchgängigkeit an Fließgewässern; Anforderungen aus Sicht der EU-WRRL - Erkenntnisse aus der Praxis. 07.05.2009 in Ybbs. Publiziert im Tagungsband.

56. Jäger, P. & Zitek, A. (2009): Fischwanderhilfen - Kriterien und Standards. Seminar des ÖWAV, Wien, zur Durchgängigkeit an Fließgewässern; Anforderungen aus Sicht der EU-WRRL - Erkenntnisse aus der Praxis. 07.05.2009 in Ybbs. Publiziert im Tagungsband.

55. Jäger, P. & Zitek, A. (2009): Erfahrungen mit Sohlengleiten in Österreich. Seminar der DWA, Hennef: "Naturnahe Sohlengleiten". 22.04.2009, Karlsruhe, Deutschland.

54. Zitek, A., Schmutz, S. & Jungwirth, M. (2009): Fish Migrations in the Austrian Part of the Danube Catchment: A Summary of 20 Years of Re-Establishment of Connectivity and Monitoring. 7th International Symposium on Ecohydraulics 12.-16.01.2009 Concepcion, Chile.

53. Jäger, P., Finster, M., Unterweger, A., Zitek, A. (2009): A Comprehensive Assessment of the Effects of Water Abstraction and Hydropeaking on Fish and Macrozoobenthos in an Alpine River Catchment. 7th International Symposium on Ecohydraulics, 12.-16.01.2009 Concepcion, Chile.

52. Jäger, P., Finster, M., Unterweger A., Zitek, A. (2008): Sondermessprogramm Restwasser/Schwall 2006-2008 Salzburg und Kärnten – Konzept, Methodik und Stand der Arbeiten. Schwall und Sunk - Ökologische und energiewirtschaftliche Herausforderungen. ÖWAV Tagung, 19.11.2008, Wien.

51. Zitek, A., Muhar, S., Preis, S., Bredeweg, B., Salles, P., Schmutz, S. (2008): Evaluating the potential use of the Qualitative Reasoning (QR) software GARP3 for a sustainable catchment management. 4th ECCR International Conference on River Restoration, 16.-21.06.2008, Venice.

50. Zitek, A. (2008): Vom Nutzen qualitativer Weltwahrnehmung - „Qualitative Reasoning“ als Methode die Welt abzubilden und dynamisch zu modellieren. Vortrag und Übung im Rahmen der Vorlesung „Holistische Wissenschaften“ von Ao. Univ. Prof. DI Dr. T. Prohaska, 23.06.08, HS XX, BOKU-Gebäude Muthgasse 18, 1190 Wien.

49. Melcher A., Schmutz, S., Muhar, S., Zitek, A., Poppe, M., Trautwein, C., Weiss, M., Haidvogl, G., Jungwirth, M.(2008): MIRR - A Model-Based Instrument for River Restoration in Austria. Entwicklung eines strategischen Instruments zur integrativen Bewertung ökologischer Restaurationsmaßnahmen an Fließgewässern. 6. ÖKF Forum. Die Zukunft unserer Gewässer und Fische. Sind EU-Richtlinien hilfreich oder das Gegenteil?, 29.2. - 2.3.2008, Linz, Auf der Gugl.

48. Zitek, A. (2008): Die Wanderungen unserer Flussfische: Ökologische Grundlagen der Fischwanderung und die Wiederherstellung von künstlich unterbrochenen Wanderwegen in Flüssen . UMP-University Meets Public, Di, 29.04.2008, 19.00-20.30,, Volkshochschule , 1100 Wien, Arthaberplatz 18.

47. Zitek, A. (2008): Die Wanderungen unserer Flussfische: Ökologische Grundlagen der Fischwanderung und die Wiederherstellung von künstlich unterbrochenen Wanderwegen in Flüssen . UMP-University Meets Public, Mi, 07.05.2008, 19.00-20.30, Volkshochschule Liesing, 1230 Wien, Liesinger Platz 3.

46. Zitek, A., Haidvogl, G., Jungwirth, M., Schmutz, S. (2008): An ecologically-based strategic guideline for restoring the longitudinal connectivity for fish in running waters of Austria . 4th ECCR International Conference on River Restoration, 16.-21.06.2008, Venice.

45. Zitek, A., Klinger, B., Schmutz, S., Preis, S., Muhar, S. (2008): Evaluierung flussbaulich-ökologischer Maßnahmen an Lech und Vils: Vergleich der Ist-Bestands-Erhebungen VOR und NACH Umsetzung der Maßnahmen - AP Fischökologie. Abschlusspräsentation vor Vertretern des Wasserbaues, Naturschutzes und Lebensministeriums, 26.03.2008, BBA Reutte.

44. Zitek, A., Pacher, K., Schmutz, S. (2008): Monitoring einer Fischaufstiegsanlage am KW Villach: Wichtige Informationen zum Untersuchungsverlauf. Informationsveranstaltung für lokale Fischereivereine an der Drau bei Villach, 25.03.2008, GH Bacher, Villach.

43. Zitek, A., Preis, S., Muhar, S., Schmutz, S. (2008): Evaluating the potential of qualitative reasoning (QR) models to contribute to a sustainable catchment management . iEMSs 2008: International Congress on Environmental Modelling and Software - Integrating Sciences and Information Technology for Environmental Assessment and Decision Making - Incorporating the 4th Biennial Meeting of iEMSs, 6.-10.07.2008, Barcelona, Catalonia.

42. Zitek, A., Sturm, M., Prohaska, Th. (2008): Analyzing chronological elemental and isotopic signatures in hard parts of fish using Laser Ablation Inductively Coupled Plasma-Mass Spectrometry (LA-ICPMS): methodology, potential applications and first results. Seminar, öffentliche Veranstaltung, Mi, 28.Mai 08 , 16:00 - 18:30 Uhr, Seminarraum Institut für Hydrobiologie und Gewässermanagement Max-Emanuelstrasse 17, 1180 Wien.

41. Zitek, A., Wohlschlager, N. (2008): Ökologische Durchgägigkeit in Fließgewässern - Wozu?. Naturnaher Wasserbau "Durchgängigkeit", Dienstbesprechung für MitarbeiterInnen von SWu.Hy., Gewässerbezirke und Gewässerschutz rund 130 Teilnehmer , 17. April 08 von 8:30 – 17:30 Uhr, St. Georgen bei Grieskirchen, Feuerwehrzentrum.

40. Melcher A., A. Zitek, S. Muhar, M. Poppe, C. Trautwein, M. Weiß, M. Jungwirth und S. Schmutz (2007): Wie viele km Verbesserung sind für den “guten Zustand” erforderlich? – Bericht aus einem Projekt zur Fischfauna. MIRR - A Model-Based Instrument for River Restoration in Austria. 3. Workshop „Potenziale der Fließgewässer zur Kompensation von Strukturdefiziten (Strahlwirkung) – Schwerpunkt: Fließgewässer des Mittelgebirges“ , 06.06.2007, Soest - Möhnesee.

39. Melcher A., A. Zitek, S. Muhar, M. Poppe, E. Lautsch, C. Trautwein, M. Weiß, M. Jungwirth und S. Schmutz (2007): Entwicklung eines strategischen Instruments zur integrativen Bewertung ökologischer Restaurationsmaßnahmen an Fließgewässern . Data Mining Konferenz 2007 Predictive Modelling - Agieren statt Reagieren , 20.06.2007, Wien.

38. Sturm, M., Zitek, A., Boulyga, S., Galler, P., Prohaska, T. (2007): Migration studies of fish by isotope ratio measurements.. PUMPAYA 2007: 3rd BOKU-Corvinus University - Workshop on Spectroscopy, July 5 - 7, 2007, Nagymaros, Hungary.

37. Zitek, A. (2007): Vom Nutzen qualitativer Weltwahrnehmung - „Qualitative Reasoning“ als Methode die Welt abzubilden . Vortrag im Rahmen der Vorlesung „Holistische Wissenschaften“ von Ao. Univ. Prof. DI Dr. T. Prohaska , 04.06.07, HS XX, BOKU-Gebäude Muthgasse 18, 1190 Wien.

36. Zitek, A. (2007): Evaluating the potential of qualitative reasoning (QR) models for a sustainable catchment management. Workshop, öffentliche Veranstaltung, Mi, 17.Oktober 07 , 16:00 - 18:30 Uhr, Seminarraum Institut für Hydrobiologie und Gewässermanagement, BOKU Wien.

35. Zitek, A. (2007): Der Beitrag von Fischaufstiegshilfen zur Wiederherstellung der ökologischen Funktionsfähigkeit von Fließgewässern . ÖWAV-Kurs: „Naturnaher Wasserbau – Praxiskurs Durchgängigkeit“, 10.-11.10.07, Zell an der Pram, OÖ.

34. Zitek, A. & S. Schmutz (2007): Der Beitrag von Fischaufstiegshilfen zur Wiederherstellung der ökologischen Funktionsfähigkeit an Fließgewässern. Fortbildungsveranstaltung für Fischereisachverständige, Fischökologen und Amtstierärzte , 18.-19.06.07, Brennerei- und Wellnesshotel Lagler, Kukmirn 137.

33. Zitek, A. & S. Schmutz (2007): The contribution of fish ladders to the rehabilitation of the ecological status of running waters. Keynote lecture at the "Atlantic Salmon Trust 40th Anniversary Conference: Freshwater Habitat Management for Salmonid Fisheries", September 17-21, 2007, University of Southampton, UK.

32. Zitek, A., Kohl, I., Mairamhof, C., Poppe, M., Muhar, S. (2007): Assessing the potential of unstructured geo-data from existing River Management Plans (RMP`s) to support the implementation of the EU-WFD using web-map services (ArcIMS/WMS). Geoinformatics Forum Salzburg (GI_Forum), July 03-06, 2007, Salzburg University.

31. Zitek, A., Kohl, I., Mairamhof, C., Poppe, M., Muhar, S. (2007): Using unstructured geo-data for the implementation of the EU-Water Framework Directive via web-map services (ArcIMS/WMS). 13th EC-GI & & GIS Workshop, 04.-06.07.2007, Porto, Portugal.

30. Zitek, A., Melcher, A., Muhar, S., Poppe, M., Trautwein, C., Jungwirth, M., Schmutz, S. (2007): M I R R - A Model-Based Instrument for River Restoration in Austria: Approach, model-criteria & scales. 6th International Symposium on Ecohydraulics, 18.-23.02.07, Christchurch, New Zealand.

29. Zitek, A., Muhar, S., Preis, S., Schmutz, S. (2007): The riverine landscape Kamp (Austria): an integrative case study for qualitative modeling of sustainable development. QR07: 21st International Workshop on Qualitative Reasoning, June 26-28, 2007, Aberystwyth, U.K.

28. Zitek, A., Schmutz, S. (2007): The contribution of fish ladders to the rehabilitation of the ecological status of running waters. EIFAC Working Party: FISH PASSAGE BEST PRACTISES , 8.-10.10.07, Salzburg.

27. Zitek, A., Schmutz, S., Haidvogl, G., Jungwirth, M. (2007): Prioritizing connectivity restoration measures for fish at the catchment level with regard to the EU-Water Framework Directive (WFD). 6th International Symposium on Ecohydraulics, 18.-23.02.07, Christchurch, New Zealand.

26. Bredeweg, B., Salles, P., Bouwer, A., Liem, J., Nuttle, T., Cioaca, E., Nakova, E., Noble, R., Caldas, A.L.R., Uzunov, Y., Varadinova, E. and Zitek, A. (2006): Towards a Structured Approach to Qualitative Modelling. . 5th International Conference on Ecological Informatics , 4-6 December 2006, Santa Barbara, CA, US.

25. Melcher, A., A. Zitek, S. Muhar, M. Poppe, C. Trautwein, M. Jungwirth and S. Schmutz (2006): Effects of hydro power operation and other pressures on fish in Austrian rivers. MIRR – A Model-Based Instrument for River Restoration in Austria.. FAO/EIFAC Symposium on hydropower, flood control and water abstraction: Implications for fish and fisheries, 14.06.06, Mondsee.

24. Zitek, A., Schmutz, S. (2006): Re-establishing connectivity in a Danube/tributary system. EIFAC - 24th SESSION and SYMPOSIUM ON HYDROPOWER, FLOOD CONTROL AND WATER ABSTRACTION: IMPLICATIONS FOR FISH AND FISHERIES, 14 June – 21 June 2006, Mondsee, Austria.

23. Muhar, S., Preis, S., Egger, G., Zitek, A. (2005): Monitoring of the Tyrolean Lech/Austria: Assessing dynamic processes with regard to river landscape habitats and vegetation . Life Nature - Symposium "Riverine Landscapes", 26.-29.09.2005, Reutte.

22. Schmutz S., S. Muhar, A. Zitek, G. Unfer & M. Jungwirth (2005): Are river restorations successful? Multi-scale evaluations of Austrian rivers. American Fisheries Society, 135th Annual Meeting: Stream and Watershed Restoration: Planning, Prioritizing, and Monitoring, 11.-15.09.05, Anchorage, Alaska.

21. Zitek A. (2005): Maßnahmen & Ergebnisse des EU-LIFE Projektes "Lebensraum Huchen". Exkursionsveranstaltung an Pielach, Melk und Mank durchgeführt für den Verein, 17.09.05, Pielach, Melk & Mank, Niederösterreich.

20. Jungwirth, M., Schmutz, S., Zitek, A. (2004): Poster: Conservation and management of Danube salmon (Hucho hucho L.) populations in Austria. Fourth World Fisheries Congress, May 2 - 6, 2004, Vancouver, BC, Canada.

19. Schmutz, S., M. Jungwirth, A. Zitek (2004): The efficiency of nature-like fish passes and their role for the integrity of running waters. Protection and Development of Aquatic Resources – application of modern technologies in the restoration or improvement of fish passages at hydro-engineering structures, 16-19 November 2004, Torun, Poland.

18. Zitek, A. (2004): Ergebnisse des fischökologischen Monitoringprogrammes zum EU-LIFE Projekt "Lebensraum Huchen". Eröffnung einer Wanderausstellung des Melk-Wasserverbandes zum Thema: "Flüsse und Bäche - Lebensadern unserer Landschaft: Die Revitalisierung von Melk und Mank", 18.03.2004, Volksschule Ruprechtshofen, 3244 Ruprechtshofen.

17. Zitek, A. (2004): Das LIFE-Projekt “Lebensraum Huchen”: Maßnahmen und deren Wirksamkeit umgesetzt und untersucht an der Voralpenflüssen Pielach, Melk und Mank. NÖ Landesfischereitagung, 26.06.04, St. Pölten.

16. Zitek, A. & Schmutz, S. (2004): Efficiency of nature like fishpasses and their role for the integrity of running waters. EUROPEAN SMALL HYDRO POWER ASSOCIATION (ESHA): THEMATIC NETWORK ON SMALL HYDROPOWER - Fish Ladders and Small Hydropower, 5th October 2004, Hotel Mercure, Vienna.

15. Zitek, A., Fleischanderl, D., Unfer, G., Eisner, A., Baumann, N., Hornich, R., Muhar, S., Jungwirth, M. (2004): Ecologically orientated flood control management at a lowland river: Leitbild-orientated measures and their influence on habitat and fish. . 10th Kongress - INTERPRAEVENT, 24. – 27.05.04, Riva del Garda, Trient Italy.

14. Zitek, A., Schmutz, S. (2004): Efficiency of restoration measures in a fragmented Danube/tributary network. Fifth International Conference on Ecohydraulics - Aquatic Habitats: Analysis and Restoration, 12.-17. 09.2004, Madrid.

13. Unfer, G., Zitek, A. (2003): Ökologisches Monitoring Sulm - Gewässer im Fluss der Zeit.. 10 Jahre Bahndamm - Veranstaltung des Östrreichischen Naturschutzbundes, 10. Mai 2003, Schloss Gleinstätten.

12. Zitek, A. (2003): Das EU LIFE-Natur Projekt „Lebensraum Huchen" – Revierspezifische Ergebnisse des fischökologischen Monitoringprogrammes. Vortrag bei der Jahreshauptversammlung des Pielachtaler Fischereivereines , 27.12.2003, GH Hoffmann, Loosdorf, Niederösterreich.

11. Zitek, A. (2003): Recent approaches modeling habitat-fish interactions in Austria. COST 626 – European Aquatic Modeling Network, Fifth Working Group Meeting, 29-31.10.2003, Aix-en-Provence, France.

10. Zitek, A., Fleischanderl, D., Unfer, G. (2003): Monitoring flussbaulicher Massnahmen an der Sulm. Vortrag im Rahmen eines "Raab-Abends" vor dem Fischereiverein Jennersdorf, Auniwaundn und den Jagdgesellschaften des Raabtales, 22.03.2003, Jennersdorf, Burgenland.

9. Zitek, A. (2002): Landschaftsökologie und Artenschutz - das EU-LIFE Projekt "Lebensraum Huchen" stellt sich vor. Exkursionsveranstaltung im Rahmen des Geographie-Unterrichts, Bereich Landschaftsökologie, für die 2B der BHAK St. Pölten, 23.04.02, im Projektgebiet an Pielach, Melk und Mank, Niederösterreich.

8. Zitek, A., Schmutz, S., Preis, S., Muhar, S. (2002): Assessment of ecological orientated river engeneering measures at the rivers Lech and Vils within the frame of the EU-LIFE Projekt ¿Riverine Landscape Lech. Vortrag, 15.04.02, EAWAG, Forschungszentrum für Limnologie, Kastanienbaum, CH.

7. Unfer, G., Wiesner, C., Schmutz, S., Zitek, A. (2001): Downstream migrations of the Danube fish-fauna during autumn/winter 1998/1999 and 2000/2001. The Second Nordic International Symposium on: Freshwater Fish Migration and Fish Passage - Evaluation and Development - Organized by the Nordic group on fish passages. Reykjavík, Iceland.

6. Zitek, A., Schmutz, S., Parasiewicz, P. (2001): HARPHA - A Hybrid Approach for Riverine Physical Habitat Assessment: habitat modeling as a tool for the development of a river restoration concept. COST 626 - European Aquatic Modeling Network, First Working Group Meeting, 8-9.03.2001, Stuttgart, Germany.

5. Zitek, A., Schmutz, S., Wiesner, C., Unfer, G. (2001): Drift of larval and juvenile fishes in a lowland river system, the Marchfeldkanal. The Second Nordic International Symposium on: Freshwater Fish Migration and Fish Passage - Evaluation and Development - Organized by the Nordic group on fish passages. Reykjavík, Iceland.

4. Schmutz, S., Zitek, A., Zobl, S., Jungwirth, M., Knopf, N., Kraus, E., Bauer, T., Kaufmann, T. (2000): Living space of Danube salmon - Re-establishing metapopulation functionality. Vortrag, Int. Symp. Freshwater Fish Conservation - Options for the Future. 30.10.-5.11.2000, Albufeira, Portugal.

3. Zitek, A., Schmutz, S., Jungwirth, M. (2000): Informationsabend für die Fischereivereine an Pielach, Melk und Mank zum LIFE-Projekt "Lebensraum Huchen". Vortrag, 28.01.2000, 3151, St Georgen am Steinfeld.

2. Zitek, A., Schmutz, S. (1996): Drift of Larval and Juvenile Fishes in the Marchfeldkanal. Poster, International Conference on Fish Migration & Bypass Channels, 24.-26.09.1996, Wien.

1. Zitek, A., Schmutz, S. (1996): Automatischer Driftsampler für Fischlarven. Vortrag, III. Symposium: Ökologie, Ethologie und Systematik der Fische, 14.-16.02.1996 in Salzburg.