Gerhard Karrer

Presentations

• Year: 2025 -  Neue Ökologische Zeigerwerte der Gefäßpflanzen Österreichs und deren Anwendungsmöglichkeiten (Vortrag)

  Autoren: Karrer, G

  Event: Generalversammlung des Vereins zur Erforschung der Flora Österreichs 2025

  Period: 21.03.2025 - 21.03.2025  | Location: Rennweg 14, 1030 Wien, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Campanula in den Ostalpen – 2. Teil (Vortrag)

  Autoren: Karrer, G

  Event: Floristisch-taxonomisch-geobotanisches Seminar

  Period: 21.03.2024 - 21.03.2024  | Location: Rennweg 14, 1030 Wien, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Campanula in den Ostalpen – auch von unten betrachtet. Einblicke in die Gattung und ihre wenig beachteten unterirdischen Organe (Vortrag)

  Autoren: Karrer, G

  Event: Floristisch-geobotanisches Seminar: Campanula in den Ostalpen

  Period: 25.01.2024 - 25.01.2024  | Location: Rennweg, 90489 Nürnberg, Deutschland  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Die Gattung Viola (Vortrag)

  Autoren: Karrer, G

  Event: Bestimmungsabende des Vereins zur Erforschung der Flora Österreichs: Die Gattung Viola

  Period: 29.02.2024 - 29.02.2024  | Location: Rennweg 14, 1030 Wien, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Süßgräser / Poaceae im Lainzer Tiergarten (Vortrag)

  Autoren: Karrer, G

  Event: Ökofloristische Exkursionen des Vereins zur Erforschung der Flora Österreichs: Suessgraeser/Poaceae im Lainzer Tiergarten

  Period: 09.06.2024 - 09.06.2024  | Location: Wien, Lainzer Tiergarten  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Ökologische Zeigerwerte der Gefäßpflanzen Österreichs 2.0 (Vortrag)

  Autoren: Karrer, G

  Event: Symposium im Gedenken an Harald NIKLFELD und Walter GUTERMANN

  Period: 01.03.2024 - 01.03.2024  | Location: Rennweg 14, 1030 Wien, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2024 -  Ecological Indicator Values for Europe (EIVE): recent developments and performance tests (Poster)

  Autoren: Dengler, J; Chusova, O; Jansen, F; Gillet, F; Berg, C; Karrer, G; et al

  Event: 66th Annual Symposium International Association for Vegetation Science (IAVS) 2024

  Period: 16.09.2024 - 20.09.2024  | Location: Funchal, Portugal  | Organizer: Madeira Universität, Portugal

• Year: 2024 -  Neue ökologische Zeigerwerte der Gefäßpflanzen Österreichs im Vergleich (Vortrag)

  Autoren: Karrer, G

  Event: 21. Treffen Österreichischer Botaniker*innen 2024

  Period: 26.09.2024 - 29.09.2024  | Location: Botanischer Garten Universität Innsbruck Sternwartestraße 15a, 6020 Innsbruck | Location: Innsbruck, Österreich | Location: Innsbruck, Innsbruck, Österreich  | Organizer: Universität Innsbruck | Organizer: Botanische Arbeitsgemeinschaft Oberösterreich | Organizer: Leopold Franzens Universität Innsbruck Institut für Botanik

• Year: 2023 -  Viola-Spezialexkursion (Vortrag)

  Autoren: Nadler, K; Karrer, G; Fischer, M;

  Event: Ökofloristische Exkursionen des Vereins zur Erforschung der Flora Österreichs im Sommersemester 2023

  Period: 25.03.2023  | Location: Breitenbrunn, AUSTRIA

• Year: 2022 -  Population genetics of the invasive Ambrosia psilostachya DC. In Europe (Vortrag)

  Autoren: Karrer, G; Hall, RM; Le Corre, V; Kropf, M

  Event: Tackling Ragweed: a multidisciplinary and international approach 2022 - RAGWEED: A SUCCESSFUL STORY

  Period: 08.09.2022 - 09.09.2022  | Location: Budapest, Hungary

• Year: 2022 -  Ambrosia psilostachya DC. (Asteraceae): the almost unknown ragweed gaining ground (Vortrag)

  Autoren: Montagnani, C; Gentili, R; Karrer, G; Hall, RM; Le Corre, V; Kropf, M; Citterio, S

  Event: Tackling Ragweed: a multidisciplinary and international approach 2022 - RAGWEED: A SUCCESSFUL STORY

  Period: 08.09.2022 - 09.09.2022  | Location: Budapest, Hungary

• Year: 2022 -  The arrival of Ambrosia psilostachya DC. in Europe – population genetic structuring and diversity (Vortrag)

  Autoren: Kropf, M; Hall, RM; Le Corre, V; Karrer, G

  Event: 20. Österreichisches Botaniker:innentreffen 2022

  Period: 22.09.2022 - 25.09.2022  | Location: Salzburg, Austria

• Year: 2022 -  Viola-Spezialexkursion (Vortrag)

  Autoren: Karrer, G

  Event: Ökofloristische Exkursionen des Vereins zur Erforschung der Flora Österreichs

  Period: 10.04.2022 - 10.04.2022  | Location: Am Eichkogel, 2340 Mödling, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2021 -  Langzeit-Untersuchungen an Wiesen-Ökosystemen im Lainzer Tiergarten – Beurteilung der Effizienz von naturschutzfachlich begründeten Maßnahmen (Vortrag)

  Autoren: Karrer, G.

  Event: Floristisch-geobotanisches Seminar 2021

  Period: 28.01.2021 - 28.01.2021  | Location: Rennweg 14, 1030 Wien, Österreich  | Organizer: Verein zur Erforschung der Flora Österreichs

• Year: 2020 -  Common ragweed (Ambrosia artemisiifolia L.) causes severe yield losses in different soybean varieties by reducing the infection potential of Bradyrhizobium japonicum (Vortrag)

  Autoren: Hall, R M; Wagentristl, H; Karrer, G; Winter, A; Czerny, R; Kaul, H-P

  Event: 29. Deutsche Arbeitsbesprechung über Fragen der Unkrautbiologie und -bekämpfung

  Period: 03.03.2020 - 05.03.2020  | Location: Braunschweig, Germany

• Year: 2019 -  Regional adjustment of management options of common ragweed (Ambrosia artemisiifolia) along roadside verges in Bavaria (Poster)

  Autoren: Hall, R M; Karrer, G; Zant L, Aliabadi M

  Event: 15th International Conference on Ecology and Management of Alien Plant Invasions EMAPI 2019 - Integrating research management and policy

  Period: 09.09.2019 - 13.09.2019  | Location: Prague, Czech Republic

• Year: 2019 -  Genetic variation of the invasive Ambrosia psilostachya in Europe is biased by clonal propagation (Poster)

  Autoren: Karrer, G; Hall, R M; Le Corre, V; Kropf, M

  Event: 15th International Conference on Ecology and Management of Alien Plant Invasions EMAPI 2019 - Integrating research management and policy

  Period: 09.09.2019 - 13.09.2019  | Location: Prague, Czech Republic

• Year: 2019 -  Bye Bye Rhizobien: Wie Ragweed, Knöllchenbakterien verscheucht und infolge den Ertrag von Soja- und Käferbohne vermindert (Vortrag)

  Autoren: Hall RM, Wagentristl H, Karrer G, Winter A, Kaul H.-P

  Event: 60. Österreichische Pflanzenschutztage 2019

  Period: 26.11.2019 - 27.11.2019  | Location: Leibnitz, Austria

• Year: 2019 -  Know your enemy: are biochemical substances the secret weapon of common ragweed (Ambrosia artemisiifolia) in the fierce competition with crops and native plant species? (Poster)

  Autoren: Hall, R M; Bein, H; Bein‐Lobmaier, B; Karrer, G; Kaul, H-P; Novak, J

  Event: 15th International Conference on Ecology and Management of Alien Plant Invasions EMAPI 2019 - Integrating research management and policy

  Period: 09.09.2019 - 13.09.2019  | Location: Prague, Czech Republic

• Year: 2019 -  Clonal plants shape the vegetation structure of meadows under different degrees of abandonment (Vortrag)

  Autoren: Karrer, G

  Event: 62nd Annual Symposium of the International Association for Vegetation Science: Vegetation Science and Biodiversity Research

  Period: 14.07.2019 - 19.07.2019  | Location: Bremen, Germany

• Year: 2019 -  JOINT AMBROSIA ACTION: Interreg‐Project V‐A Austria‐Hungary to fight common ragweed (Ambrosia artemisiifolia) (Poster)

  Autoren: Karrer, G; Zinggl, P; Szeiber, A; Vér, A

  Event: 15th International Conference on Ecology and Management of Alien Plant Invasions EMAPI 2019 - Integrating research management and policy

  Period: 09.09.2019 - 13.09.2019  | Location: Prague, Czech Republic

• Year: 2018 -  Pollen and seed production potential of common ragweed (Ambrosia artemisiifolia L.) in different habitats - A mathematical approach to predict future contamination potential (Poster)

  Autoren: Hall, R.M.; Renner-Martin, K.; Rehrl, E.; Karrer, G.

  Event: ICA2018 - 11th International Congress on Aerobiology

  Period: 03.09.2018 - 07.09.2018  | Location: Parma, Italy

• Year: 2018 -  Genetic variation of the invasive Ambrosia psilostachya in Europe (Vortrag)

  Autoren: Hall, RM; Karrer, G; Le Corre, V; Kropf, M

  Event: 48th Annual Meeting of the Ecological Society of Germany, Austria and Switzerland GfÖ 2018 - Ecology – Meeting the Scientific Challenges of a complex World

  Period: 10.09.2018 - 14.09.2018  | Location: Vienna, Austria

• Year: 2018 -  Mapping ragweed presence in Europe using top-down and bottom-up approaches (Vortrag)

  Autoren: Skjøth, C.A.; Sun, Y.; Karrer, G.; Sikoparija, B; Smith, M; Schaffner, U; Müller-Schärer, H.

  Event: ICA2018 - 11th International Congress on Aerobiology

  Period: 03.09.2018 - 07.09.2018  | Location: Parma, Italy

• Year: 2018 -  A fine-tuned mowing regime is evident in the eradication of common ragweed (Ambrosia artemisiifolia L.) along roadside verges (Vortrag)

  Autoren: Karrer, G.; Milakovic, I.; Leitsch-Vitalos, M.; Hall, R.M.; Fiedler, K.

  Event: ICA2018 - 11th International Congress on Aerobiology

  Period: 03.09.2018 - 07.09.2018  | Location: Parma, Italy

• Year: 2018 -  High seed density is more effective than limiting similarity in controlling grassland resistance against invasive alien plants (Vortrag)

  Autoren: Kollmann J, Yanelli FH, Karrer G, Hall RM, Heger T

  Event: 48th Annual Meeting of the Ecological Society of Germany, Austria and Switzerland GfÖ 2018 - Ecology – Meeting the Scientific Challenges of a complex World

  Period: 10.09.2018 - 14.09.2018  | Location: Vienna, Austria

• Year: 2017 -  Homogenization of species rich meadows by nature conservation management rules (Vortrag)

  Autoren: Karrer, G; Koessl, J.

  Event: 60th IAVS Annual Symposium, Palermo 2017 - Vegetation patterns in natural and cultural landscapes

  Period: 20.06.2017 - 24.06.2017  | Location: Palermo, Italy

• Year: 2016 -  Estimation of seed longevity in artificial soil seed banks of common ragweed (Ambrosia artemisiifolia) (Poster)

  Autoren: Karrer, G., Hall, R.M., Lener, F., Waldhäuser, N., Kazinczi, G., Kerepesi, I., Máté, S., Sölter, U., Starfinger, U., Verschwele, A., Mathiassen, S.K., Kudsk, P., Leskovsek, R., Simoncic, A.

  Event: 9th International Conference on Biological Invasions NEOBIOTA 2016 - Biological Invasions: Interactions with Environmental Change

  Period: 14.09.2016 - 16.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Distribution of common ragweed (Ambrosia artemisiifolia) in ESENIAS area (Poster)

  Autoren: Uludag, A., Vladimirov, V., Aksoy, N., Anastasiu, P., Economou, G., Gavriil, E., Konstantinovic, B., Rat, M., Karrer, G.

  Event: 9th International Conference on Biological Invasions NEOBIOTA 2016 - Biological Invasions: Interactions with Environmental Change

  Period: 14.09.2016 - 16.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Population Dynamics Variation in ragweed demography and modelling management impact (Poster)

  Autoren: Lommen, S., Hallmann, C., Jongejans, E., Karrer, G., Leitsch-Vitalos, M., Müller-Schärer, H., SMARTER, T.F.

  Event: COST FA1203 – SMARTER Sustainable management of Ambrosia artemisiifolia in Europe. Final Conference

  Period: 13.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Die Bestimmung von Gräsern auf Basis von digitalen Datenbankabfragen mit einer Mobile-App (Poster)

  Autoren: Schauer J., Karrer G.

  Event: 17. Treffen der Österreichischen Botanikerinnen und Botaniker 2016

  Period: 22.09.2016 - 24.09.2016  | Location: Vienna, Austria  | Organizer: BOKU | Organizer: Die Österreichischen Botanikerinnen und Botaniker | Organizer: Boku (Verinslose Wissenschaftliche Veranstaltung)  | Organizer: Institut für Botanik & Institut für Integrative Naturschutzforschung, Universität für Bodenkultur, Wien

• Year: 2016 -  Estimation of seed longevity in artificial soil seed banks of common ragweed (Poster)

  Autoren: Karrer, G., Hall, R., Lener, F., Waldhäuser, N., Kazinczi, G., Kerepesi ,I., Máté, S., Sölter, U., Starfinger, U., Verschwele, A., Mathiassen,S.K., Kudsk, P., Leskovsek, R., Simoncic ,A

  Event: COST FA1203 – SMARTER Sustainable management of Ambrosia artemisiifolia in Europe. Final Conference

  Period: 13.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  The environment alters the immune response to ragweed pollen (Vortrag)

  Autoren: Liu, SH; Debiasi, M; Anea, CB; Karrer, G; Chaturvedi, P; Bellaire, A; Weckwerth, W; Epstein, MM

  Event: Meeting of the European Academy of Allergy and Clinical Immunology 2016

  Period: 11.06.2016 - 15.06.2016  | Location: Vienna, Austria

• Year: 2016 -  What is the most efficient efficacy measure of non-chemical control of com-mon ragweed (Vortrag)

  Autoren: Biological Invasions: Interactions with Environmental Change. Book of abstracts. NEOBIOTA 2016 - 9th International Conference on Biological Invasions

  Event: 9th International Conference on Biological Invasions NEOBIOTA 2016 - Biological Invasions: Interactions with Environmental Change

  Period: 14.09.2016 - 16.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  What is the most efficient efficacy measure of non-chemical control of common ragweed (Poster)

  Autoren: Karrer, G., Milakovic, I.

  Event: COST FA1203 – SMARTER Sustainable management of Ambrosia artemisiifolia in Europe. Final Conference

  Period: 13.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Ecological Indicator Values of Europe (EIVE) 1.0: a powerful open-access tool for vegetation scientists (Vortrag)

  Autoren: Dengler, J., Hüllbusch, E., Bita-Nicolae, C., Chytrý, M., Didukh, J. P., Diekmann, M., Dierschke, H., Englisch, T., Ermakov, N., Feldhaar, H., Fosaa, A. M., Frank, D., Gillet, F., Guarino, R., Hennekens, S. M., Hill, M. O., Jelaska, S. D., Jíménez-Alfaro, B., Julve, P., Kącki, Z., Karrer, G., Nobis, M. P., Ozinga, W. A., Pignatti, S., Raus, T., Řezníčková, M., Ruprecht, E., Šilc, U., Steinbauer, M. J., Theurillat, J.-P., Tichý, L., Jansen, F.

  Event: European Vegetation Survey 25th Meeting

  Period: 06.04.2016 - 09.04.2016  | Location: Rome, Italy

• Year: 2016 -  Cross-fertilizing weed science and invasion science: Ambrosia artemisiifolia as an ideal bridge species (Vortrag)

  Autoren: Müller-Schärer, H., Chauvel, B., Karrer, G., Kazinczi, G., Kudsk, P., Oude Lansink, A., Schaffner, U., Skjoth, C., Smith, M., Vurro, M., de Weger, L., Sun, Y., Lommen, S.

  Event: 9th International Conference on Biological Invasions NEOBIOTA 2016 - Biological Invasions: Interactions with Environmental Change

  Period: 14.09.2016 - 16.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Germination and seed viability of common ragweed (Ambrosia artemisiifolia L.) influenced by seed dimensions, origin and age (Poster)

  Autoren: Hall, R.M., Karrer, G.

  Event: 9th International Conference on Biological Invasions NEOBIOTA 2016 - Biological Invasions: Interactions with Environmental Change

  Period: 14.09.2016 - 16.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Plant associated bacteria to reduce the growth of Ambrosia artemisiifolia (Poster)

  Autoren: Trognitz, F., Widhalm, S., Karrer G., Sessitsch, A.

  Event: COST FA1203 – SMARTER Sustainable management of Ambrosia artemisiifolia in Europe. Final Conference

  Period: 13.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  Successful control of an invasive plant by optimized mowing regime (Poster)

  Autoren: Karrer, G.

  Event: 29th Conference of the plant population biology section of the ecological Society of Germany, Austria and Switzerland (GfÖ)

  Period: 05.05.2016 - 07.05.2016  | Location: Trebon, Czech Republic

• Year: 2016 -  Biotic resistance to invasive alien plant: Using a multi-trait approach to design resistant communities (Poster)

  Autoren: Yannelli F.A., Hall R., Karrer G., Heger T

  Event: COST FA1203 – SMARTER Sustainable management of Ambrosia artemisiifolia in Europe. Final Conference

  Period: 13.09.2016  | Location: Vianden, Luxembourg

• Year: 2016 -  The environment alters the immune response to ragweed pollen (Vortrag)

  Autoren: Liu, SH; Debiasi, M; Anea, CB; Karrer, G; Chaturvedi, P; Bellaire, A; Weckwerth, W; Epstein, MM

  Event: International Congress of Immunology (ICI)

  Period: 21.08.2016 - 26.08.2016  | Location: Melbourne, Australia

• Year: 2015 -  Population genetics and invasion dynamics of Ragweed in Austria (& circumjacent Europe) (Vortrag)

  Autoren: Kropf, M., C. Blöch, M. Leitsch-Vitalos, A. Huppenberger, G. Karrer

  Event: Meeting of the "Task Force Genetics" of the SMARTER Cost Action FA1203

  Period: 14.04.2015 - 15.04.2015  | Location: Tulln an der Donau, Austria

• Year: 2015 -  The role of clonality under different degrees of meadow abandonment in a long-time experiment (Poster)

  Autoren: Karrer, G.

  Event: CLONE 2015, 11TH CLOnAL PLAnT WORKSHOP 4-7 August 2015

  Period: 04.08.2015 - 07.08.2015  | Location: Trebon, Czech Republic

• Year: 2014 -  Seed survival and germinability of Ambrosia artemisiifolia L. seed samples from Europe (Vortrag)

  Autoren: Karrer, G., Kazinczi, G., Waldhaeuser, N., Starfinger, U., Söltner, S., Mathiassen, U.

  Event: 4th International Symposium on Environmental Weeds and lnvasive Plants. Abstracts. May 19 to 23, 2014. Montpellier SupAgro, Montpellier, France. p 167.

  Period: 19.05.2014 - 23.05.2014  | Location: Montpellier, France

• Year: 2014 -  Testing allergenicity of Ambrosia artemisiifolia pollen in mice (Vortrag)

  Autoren: Epstein, M., Debiasi, M., Anea, C., Karrer, G.

  Event: Third International Radweed Conference: Ambrosia day, 2014 - Ragweeed allergy: 15 years of prevention

  Period: 03.04.2014 - 04.04.2014  | Location: Milan, Italy

• Year: 2014 -  Population genetics on Ambrosia genus: past, present and future (Vortrag)

  Autoren: Causse, R; Chauvel, B; Délye, C; Karrer, G; Kolseth, A-K; Kropf, M; Le Corre, V; Meimberg, H; Scalone, R; Taller, J

  Event: 4th International Symposium on Environmental Weeds and lnvasive Plants

  Period: 19.05.2014 - 23.05.2014  | Location: Montpellier, France

• Year: 2014 -  Ophraella communa – ein natürlicher Gegenspieler der Ambrosia (Poster)

  Autoren: Follak, S., Essl, F. Karrer, G.

  Event: Österreichische Pflanzenschutztage 2014

  Period: 26.11.2014 - 27.11.2014  | Location: Seggau, Austria

• Year: 2014 -  Einfluss von Mist- und Gülledüngung auf wichtige Bodenparameter im Dauergrünland (Vortrag)

  Autoren: Angeringer, W; Starz, W; Pfister, R; Rohrer, H; Karrer, G.

  Event: Fachtagung für biologische Landwirtschaft 2014

  Period: 06.11.2014  | Location: Irdning, Austria

• Year: 2014 -  Recommendations to fight ragweed derived from the EU-project HALT AMBROSIA. (Vortrag)

  Autoren: Karrer, G., Starfinger, U., Kazinczi, G., Kudsk P., Simoncic, A., Milakovic, I., Söltner, U., Verschwele, A., Mathiassen S., Basky, Z, Kömives, T., Leskovsek, R.

  Event: 4th International Symposium on Environmental Weeds and lnvasive Plants

  Period: 19.05.2014 - 23.05.2014  | Location: Montpellier, France

• Year: 2014 -  The role of common ragweed (Ambrosia artemisiifolia L.) as test plant in allelopathic research (Poster)

  Autoren: Kazinczi, G., Basky, Z, Kömives, T., Starfinger, U., Verschwele, A., Soeltner, U., Karrer, G., Kudsk, P., Simoncic, A.

  Event: First Africa-International Allelopathy Congress

  Period: 06.02.2014 - 09.02.2014  | Location: Sousse, Tunisia

• Year: 2014 -  Can the Invasion of Common Ragweed be Halted? New Insights from an International Project (Vortrag)

  Autoren: Starfinger, U.; Karrer, G.; Söltner, U.; Verschwele, A.; Milakovic, I.; Kazinczi, G.; Basky, Z; Kömives, T.; Kudsk, P.; Mathiassen, S.; Simoncic, A.; Leskovsek, R.

  Event: 8th Internat. Conference on Biological Invasion, from understanding to action

  Period: 03.11.2014 - 08.11.2014  | Location: Antalya, Turkey

• Year: 2013 -  Mechanical control of marsh ragwort (Senecio aquaticus Hill) by cutting (Vortrag)

  Autoren: Bassler, G., Karrer, G., Kriechbaum, M.

  Event: 17th Symposium of the European Grassland Federation 2013 - The Role of Grasslands in a Green Future Threats and Perspectives in Less Favoured Areas

  Period: 23.06.2013 - 26.06.2013  | Location: Akureyri, Iceland

• Year: 2013 -  Österreichische Forstwirtschaft im Klimawandel: Suche nach trockenheitsangepasstem forstlichen Vermehrungsgut (Vortrag)

  Autoren: Bassler, G., Karrer, G., Willner, W.

  Event: 14. Österreichischer Klimatag 2013

  Period: 04.04.2013 - 05.04.2013  | Location: Vienna, Austria  | Organizer: CCCA, Klima- und Energiefonds, BOKU | Organizer: CCCA - Climate Change Centre Austria

• Year: 2013 -  Mechanical control of marsh ragwort (Senecio aquaticus Hill) by cutting (Vortrag)

  Autoren: Bassler, G., Karrer, G., Kriechbaum, M.

  Event: 17th Symposium of the European Grassland Federation 2013 - The Role of Grasslands in a Green Future Threats and Perspectives in Less Favoured Areas

  Period: 23.06.2013 - 26.06.2013  | Location: Akureyri, Iceland

• Year: 2013 -  Nutzungsgrenzen montaner Heuwiesen - Ergebnisse eines 3-jährigen on-farm-Feldversuches im obersteirischen Pölstal (Vortrag)

  Autoren: Angeringer W., Starz W., Pfister R., Rohrer H., Karrer G.

  Event: Fachtagung für biologische Landwirtschaft 2013

  Period: 07.11.2013  | Location: Irdning, Austria

• Year: 2013 -  Plant population dynamics in mountainous meadows against the backround of climate change and altered management (Poster)

  Autoren: Karrer, G., Bassler, G., Angeringer, W., Schaumberger. A., Formeyer, H.

  Event: 26th Annual Conference of the Plant Population Biology Section of the Eciological Society of Germany, Austria and Switzerland (GfÖ)

  Period: 09.05.2013 - 11.05.2013  | Location: Tartu, Estonia

• Year: 2012 -  Besiedlungsstrategie der Deutschen Tamariske (Myricaria germanica) an den neu geschaffenen Schotterbänken der Oberen drau (Poster)

  Autoren: Lener, F., Karrer, G.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2012 -  Invasion dynamics of Ambrosia artemisiifolia in Austria: DNA microsatellite analyses indicate spreading of different genetic lineages (Vortrag)

  Autoren: Kropf, M., Blöch, C., Leitsch-Vitalos, M., Huppenberger, A., Karrer, G.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2012 -  Ragweed in Austria: Problems and Regulations (Vortrag)

  Autoren: Karrer, G.

  Event: Colloque Européen des actuers et décideurs de la lute contre l’ambroisie Ambrosia 2012

  Period: 29.03.2012 - 30.03.2012  | Location: Lyon, France

• Year: 2012 -  The influence of quantity, quality and distances of seeds dispersed by different vectors on the dynamics of Ragweed invasion (Vortrag)

  Autoren: Karrer, G.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2012 -  The contribution of post-harvest ripened ragweed seeds after cut for controll (Poster)

  Autoren: Karrer, G., Pixner, T., Milakovic, I.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2012 -  Does the species composition in mountainous meadows react more to altered management or to climate change? (Poster)

  Autoren: Karrer, G., Bassler, G., Angeringer, W., Schaumberger, A. Formayer, H.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2012 -  Bestandesregulierung von Senecio aquaticus in naturschutzfachlich interessanten Wiesen (Vortrag)

  Autoren: Bassler, G., Karrer, G., Kriechbaum, M.

  Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012

  Period: 27.09.2012 - 29.09.2012  | Location: Innsbruck, Austria  | Organizer: Institut für Botanik, Universität Innsbruck

• Year: 2011 -  Dynamics of biomass production in extensively managed meadows at the eastern edge of the Alps (Poster)

  Autoren: Karrer, G.

  Event: 16th Sysposium of the European Grassland Federation 2011 - Grassland Farming and Land Management Systems in Mountainous Regions

  Period: 29.08.2011 - 31.08.2011  | Location: Irdning, Austria

• Year: 2011 -  Optimization of cutting regimes for control of ragweed along roadsides. (Vortrag)

  Autoren: Milakovic, I., Karrer, G.

  Event: 3rd International Symposium on Weeds and Invasive Plants

  Period: 02.10.2011 - 07.10.2011  | Location: Ascona, Switzerland

• Year: 2011 -  Vegetation change of mountainous hay meadows to intensified management regime in organic faming (Poster)

  Autoren: Angeringer, W., Starz, W., Pfister, R., Rohrer, H. Karrer, G.

  Event: 16th Sysposium of the European Grassland Federation 2011 - Grassland Farming and Land Management Systems in Mountainous Regions

  Period: 29.08.2011 - 31.08.2011  | Location: Irdning, Austria

• Year: 2011 -  Competitive suppression of common ragweed in early successional stages of revegetation. (Vortrag)

  Autoren: Milakovic, I., Karrer, G.

  Event: 3rd International Symposium on Weeds and Invasive Plants

  Period: 02.10.2011 - 07.10.2011  | Location: Ascona, Switzerland

• Year: 2011 -  Ausgangssituation und Projektstruktur: Ragweed - Ausbreitungsbiologie und Management einer extrem allergenen, einge- schleppten Pflanze – Wege und Ursachen der Ausbreitung von Ragweed (Ambrosia artemisiifolia) sowie Möglichkeiten seiner Bekämpfung (Vortrag)

  Autoren: Karrer, G.

  Event: Ragweed, eine invasive Pflanze mit allergenem Potential2011 - Wege und Ursachen der Ausbreitung von Ragweed sowie Möglichkeiten der Bekämpfung

  Period: 25.11.2011  | Location: Vienna, Austria

• Year: 2011 -  Change of plant species composition in mountainous meadows against the background of climate change and altered management (Poster)

  Autoren: Bassler, G., Angeringer, W., Karrer, G.

  Event: 16th Sysposium of the European Grassland Federation 2011 - Grassland Farming and Land Management Systems in Mountainous Regions

  Period: 29.08.2011 - 31.08.2011  | Location: Irdning, Austria

• Year: 2011 -  Ragweed-Fighting in Europe (Vortrag)

  Autoren: Karrer, G.

  Event: Kick off meeting ATOPICA 2011 - atopic diseases in changing climate, land use and air quality

  Period: 17.10.2011 - 18.10.2011  | Location: Vienna, Austria

• Year: 2011 -  Are changes of plant species composition in mountainous meadows correlated rather to altered management than to climate change? (Poster)

  Autoren: Karrer, G., Bassler, G., Angeringer, W., Schaumberger, A., Formayer, H.

  Event: 12. Österreichischer Klimatag 2011

  Period: 21.09.2011 - 22.09.2011  | Location: Vienna, Austria  | Organizer: AustroClim, KLIEN, ACCC | Organizer: AustroClim, KLIEN, CCCA | Organizer: klimaforschungsinitiative AustroClim, BOKU, Klima- und Energiefonds,

• Year: 2011 -  Ragweed im Bereich der Transportwege (insbesondere Strassen) (Vortrag)

  Autoren: Ivana Milakovic, Gerhard Karrer

  Event: Ragweed, eine invasive Pflanze mit allergenem Potential2011 - Wege und Ursachen der Ausbreitung von Ragweed sowie Möglichkeiten der Bekämpfung

  Period: 25.11.2011  | Location: Vienna, Austria

• Year: 2011 -  Aussehen, Verwechslungsmöglichkeiten, Lebenszyklus, Biologie (Vortrag)

  Autoren: Karrer, G.

  Event: Ragweed, eine invasive Pflanze mit allergenem Potential2011 - Wege und Ursachen der Ausbreitung von Ragweed sowie Möglichkeiten der Bekämpfung

  Period: 25.11.2011  | Location: Vienna, Austria

• Year: 2011 -  Growth and reproductive traits as a basis for the development of management strategies of the invasive Ambrosia artemisiifolia L. (Poster)

  Autoren: MILAKOVIC, I., KARRER, G.

  Event: 11th International Conference on the Ecology and Management of Alien Plant Invasions EMAPI 2011 - Bridging the gap between scientific knowledge and management practice

  Period: 30.08.2011 - 03.09.2011  | Location: Szombathely, Hungary

• Year: 2011 -  Population biology of the toxic grassland weed Colchicum autumnale (Vortrag)

  Autoren: Winter, S., Karrer, G., Kriechbaum, M.

  Event: Plant Population Biology 2011

  Period: 02.06.2011 - 04.06.2011  | Location: Oxford, UK

• Year: 2011 -  Zusammenfassung der Vorträge und Ausblick auf Bekämpfungsstrategien (Vortrag)

  Autoren: Karrer, G.

  Event: Ragweed, eine invasive Pflanze mit allergenem Potential2011 - Wege und Ursachen der Ausbreitung von Ragweed sowie Möglichkeiten der Bekämpfung

  Period: 25.11.2011  | Location: Vienna, Austria

• Year: 2011 -  Populationsgenetik und Ausbreitungsdynamik in Österreich und Europa (Vortrag)

  Autoren: Kropf, M., Blöch, C., Leitsch-Vitalos, M., Huppenberger, A., Karrer, G.

  Event: Ragweed, eine invasive Pflanze mit allergenem Potential2011 - Wege und Ursachen der Ausbreitung von Ragweed sowie Möglichkeiten der Bekämpfung

  Period: 25.11.2011  | Location: Vienna, Austria

• Year: 2010 -  Influence of competing vegetation and the cutting regime on the population density and flowering characteristics of Ambrosia artemisiifolia L. (Poster)

  Autoren: Milakovic, I. Karrer, G.

  Event: 15th European Weed Research Society EWRS Symposium 2010

  Period: 12.07.2010 - 15.07.2010  | Location: Kaposvar, Hungary

• Year: 2010 -  Ansätze zur Bekämpfung von Ragweed und zur Verhinderung der weiteren Ausbreitung: Überblick und Beispiele aus dem aktuellen BBK-Projekt Ragweed (Vortrag)

  Autoren: Milakovic, I., Leitsch Vitalos, M., Karrer, G.

  Event: Allergiekraut Ragweed - Information und Maßnahmenentwicklung

  Period: 27.01.2010  | Location: Illmitz, Austria

• Year: 2010 -  Directional spread of Ambrosia artemisiifolia L. along waterways - Can source and sink populations be detected by AFLP analysis (Poster)

  Autoren: Dlugosch, A., Kropf, M., Karrer, G., Leitsch-Vitalos, M.

  Event: 23rd Plant Population Biology 2010 - Crossing Broders

  Period: 13.05.2010 - 15.05.2010  | Location: Nijmegen, Netherlands

• Year: 2010 -  Influence of the timing and frequency of cutting and of the population density on the morphometric characteristics and reproductive success of Ambrosia artemisiifolia L. (Poster)

  Autoren: Milakovic, i., Karrer, G.

  Event: 6th NEOBIOTA Conference 2010 - Biological invasions in a changing world from science to management

  Period: 14.09.2010 - 17.09.2010  | Location: Copenhagen, Denmark

• Year: 2010 -  Agents for the spread of Ambrosia artemisiifolia L. in Europe (Vortrag)

  Autoren: Karrer, G., Milakovic, I., Leitsch-Vitalos, M.

  Event: 15th European Weed Research Society EWRS Symposium 2010

  Period: 12.07.2010 - 15.07.2010  | Location: Kaposvar, Hungary

• Year: 2010 -  Population density effects on growth traits and reproduction of Ambrosia artemisiifolia L. (Poster)

  Autoren: MILAKOVIC, I., KARRER, G.

  Event: 23rd Plant Population Biology 2010 - Crossing Broders

  Period: 13.05.2010 - 15.05.2010  | Location: Nijmegen, Netherlands

• Year: 2010 -  Is it possible to define fine scale source and sink populations for directional spread of Ambrosia artemisiifolia L. along waterways by AFLP-analysis? (Poster)

  Autoren: Karrer, G., Dlugosch, A., Kropf, M., Leitsch-Vitalos, M.

  Event: 6th NEOBIOTA Conference 2010 - Biological invasions in a changing world from science to management

  Period: 14.09.2010 - 17.09.2010  | Location: Copenhagen, Denmark

• Year: 2010 -  The fate of Senecio aquaticus seeds (Poster)

  Autoren: Bassler, G., Karrer, G., Kriechbaum, M.

  Event: 23rd Plant Population Biology 2010 - Crossing Broders

  Period: 13.05.2010 - 15.05.2010  | Location: Nijmegen, Netherlands

• Year: 2009 -  Sowing of competing vegetation as a control measure for Ambrosia artemisiifolia L. (Vortrag)

  Autoren: Milakovic, I., Karrer, G.

  Event: International Congress on Biological Invasions 2009

  Period: 02.11.2009 - 06.11.2009  | Location: Fuzhou, PR China

• Year: 2009 -  Seed production and effective germination rates of plants from Middle European dry and nutrient poor grasslands with different degrees of abandonment (Poster)

  Autoren: Karrer, G., Morawetz, V.

  Event: 22th Annual Conference of the Plant Population Section of the Ecological Society of Germany, Switzerland and Austria GfÖ 2009

  Period: 21.05.2009 - 24.05.2009  | Location: Bern, Switzerland

• Year: 2009 -  Invasion history, distribution and dispersal processes of A. artemisiifolia in Europe (Vortrag)

  Autoren: Karrer, G.

  Event: Towards sustainable management of Ambrosia artemisiifolia in Europe 2009

  Period: 07.12.2009 - 08.12.2009  | Location: Delemont, Switzerland

• Year: 2009 -  The effect of different management strategies on the fitness of the invasive alien species Ambrosia artemisiifolia L. (Poster)

  Autoren: Milakovic, I., Leitsch Vitalos, M., Karrer, G.

  Event: 22th Annual Conference of the Plant Population Section of the Ecological Society of Germany, Switzerland and Austria GfÖ 2009

  Period: 21.05.2009 - 24.05.2009  | Location: Bern, Switzerland

• Year: 2009 -  Weed management by soil seed management - on the model of Ambrosia artemisiifolia L. (Poster)

  Autoren: Leitsch Vitalos, M., Milakovic, I., Karrer, G.

  Event: 13th International Conference on Weed Biology 2009

  Period: 08.09.2009 - 10.09.2009  | Location: Dijon, France

• Year: 2008 -  Seed production and effective germination rates of plants from Middle European dry and nutrient poor grassland with different degree of abandonment (Poster)

  Autoren: Morawetz, V., Karrer, G.

  Event: 21th Annual Conference of the Plant Population Section of the Ecological Society of Germany, Switzerland and Austria GfÖ 2008

  Period: 01.05.2008 - 03.05.2008  | Location: Luxembourg, Luxembourg

• Year: 2008 -  Studies on spread, population biology and management of Ambrosia artemisiifolia L. in Austria (Vortrag)

  Autoren: Vitalos, M., Karrer. G.

  Event: 1st international Ragweed Conference 2008

  Period: 10.09.2008 - 13.09.2008  | Location: Budapest, Hungary

• Year: 2008 -  The contribution of bird seed, traffic and mowing machines to the spread of Ambrosia artemisiifolia (Poster)

  Autoren: Vitalos, M., Karrer, G.

  Event: 5th European Conference on biological Invasions 2008 - Neobiota: Towards a synthesis

  Period: 23.09.2008 - 26.09.2008  | Location: Prague, Czech Republic

• Year: 2008 -  Plant functional traits and their role in meadow abandonment (Vortrag)

  Autoren: Karrer, G., Suessenbacher, Milakovic, I.

  Event: 51st Symposium of the International Association for Vegetation Science 2008 - Frontiers of Vegetation Science, An Evolutionary Angle

  Period: 07.09.2008 - 12.09.2008  | Location: Stellenbosch, South Africa

• Year: 2008 -  Preserving Species Richness in Hay Meadows of Vienna's Nature Conservation Area Lainzer Tiergarten (Vortrag)

  Autoren: Angeringer, Wolfgang Karrer, Gerhard

  Event: International Symposium 2008 - Preservation of Biocultural Diversity - a Global Issue

  Period: 06.05.2008 - 08.05.2008  | Location: Vienna, Austria

• Year: 2008 -  Preserving species richness in hay meadows of Vienna’s nature conservation area Lainzer Tiergarten – possibilities and consequences of low-cost management practice (Vortrag)

  Autoren: Angeringer, W., Karrer, G.

  Event: International Symposium 2008 - Preservation of Biocultural Diversity - a Global Issue

  Period: 06.05.2008 - 08.05.2008  | Location: Vienna, Austria

• Year: 2008 -  Population biology and life history of the poisonous grassland plant Senecio aquaticus (Poster)

  Autoren: Bassler, G., Karrer, G.

  Event: 21th Annual Conference of the Plant Population Section of the Ecological Society of Germany, Switzerland and Austria GfÖ 2008

  Period: 01.05.2008 - 03.05.2008  | Location: Luxembourg, Luxembourg

• Year: 2008 -  Seed bank dynamics of Ambrosia artemisiifolia in Austria (Vortrag)

  Autoren: Vitalos, M., Karrer, G.

  Event: 2nd International Symposium Intractable Weeds and Plant Invaders 2008

  Period: 13.09.2008 - 19.09.2008  | Location: Osijek, Croatia

• Year: 2008 -  Morphometric characters serve as functional traits in the context of different degrees of abandonment in nutrient poor wet meadows (Molinietum) (Poster)

  Autoren: Milakovic. I., Karrer, G.

  Event: 21th Annual Conference of the Plant Population Section of the Ecological Society of Germany, Switzerland and Austria GfÖ 2008

  Period: 01.05.2008 - 03.05.2008  | Location: Luxembourg, Luxembourg

• Year: 2007 -  Ragweed – Gestalt und Ausbreitung der allergenen Pflanze Ambrosia artemisiifolia (Vortrag)

  Autoren: Karrer Gerhard

  Event: Ragweed - ein eingeschlepptes brisantes Gewächs

  Period: 11.09.2007  | Location: St. Pölten, Austria

• Year: 2007 -  Plants as drivers for floristic changes in meadows under different degree of abandonnment (Vortrag)

  Autoren: Karrer, G.

  Event: 49th Annual Conference of the International Association for Vegetation Science 2007

  Period: 12.02.2007 - 16.02.2007  | Location: Palmerston North, New Zealand

• Year: 2007 -  Das Projekt Ragweed – Konzept und erste Ergebnisse (Vortrag)

  Autoren: Karrer Gerhard

  Event: Ragweed - ein eingeschlepptes brisantes Gewächs

  Period: 11.09.2007  | Location: St. Pölten, Austria

• Year: 2007 -  Plants as drivers for floristic changes in meadows under different degree of abandonnment (Vortrag)

  Autoren: Gerhard Karrer

  Event: 49th Annual Conference of the International Association for Vegetation Science 2007

  Period: 12.02.2007 - 16.02.2007  | Location: Palmerston North, New Zealand

• Year: 2006 -  lnaccurate morphological analysis can cause misfit of morphologiical and molecular classification in the genus Gentiana L. (Poster)

  Autoren: Karrer, G., Davitashvili, N.

  Event: 17th International Symposium Biodiversity and Evolutionary Biology of the German Botanical Society 2006

  Period: 24.09.2006 - 28.09.2006  | Location: Bonn, Germany

• Year: 2006 -  Gentiana cachemirica, a missing link between western Asian and central Asian gentians from sect. Pneumonanthe? (Poster)

  Autoren: Davitashvili, N., Karrer, G.

  Event: 17th International Symposium Biodiversity and Evolutionary Biology of the German Botanical Society 2006

  Period: 24.09.2006 - 28.09.2006  | Location: Bonn, Germany

• Year: 2006 -  Seasonal development of aboveground organs in differently managed nutrient poor meadows dominated by clonal plants (Poster)

  Autoren: KARRER, G., STEINER, H., STALLEGGER, M.

  Event: 8th clonal plant workshop 2006 - generality, specificity and diversity of clonal growth

  Period: 27.06.2006 - 30.06.2006  | Location: Pärnu, Estonia

• Year: 2005 -  SEM observations of seeds of gen. Gentiana L. and their systematic significance. Poster 1149 (Vortrag)

  Autoren: Davitashvili, N., Karrer, G.

  Event: 17th International Botanical Congress 2005

  Period: 17.07.2005 - 23.07.2005  | Location: Vienna, Austria

• Year: 2005 -  Plant architecture in Gentiana – a source for taxonomy and evolutionary biology (Poster)

  Autoren: Karrer, G., Davitashvili, N.

  Event: 17th International Botanical Congress 2005

  Period: 17.07.2005 - 23.07.2005  | Location: Vienna, Austria

• Year: 2005 -  Plant architecture in Gentiana: a source for taxonomy and evolutionary biology (Vortrag)

  Autoren: Karrer, G., Davitashvili, N

  Event: 17th International Botanical Congress 2005

  Period: 17.07.2005 - 23.07.2005  | Location: Vienna, Austria

• Year: 2005 -  SEM observations of seeds of gen. Gentiana L. and their systematic significance (Poster)

  Autoren: Davitashvili, N., Karrer, G.

  Event: 17th International Botanical Congress 2005

  Period: 17.07.2005 - 23.07.2005  | Location: Vienna, Austria

• Year: 2004 -  Interdependenzen zwischen dem Naturschutzwert von Grünland-Ökosystemen und Bewirtschaftungsmaßnahmen sowie ausgewähltern sozioökonomischen Rahnmenbedingingen (Vortrag)

  Autoren: Lichtenecker, A., Bassler, G., Neuwirth, J., Grabner, S., Karrer, G., Wytrzens, H.K.

  Event: 11. Österreichisches Botanikertreffen 2004

  Period: 03.09.2004 - 05.09.2004  | Location: Vienna, Austria

• Year: 2004 -  Influence of agri-environmental subsidies on management intensities and nature conservation values on grassland-fields – results of a case study in Austria (Vortrag)

  Autoren: Bassler, G., Lichtenecker, A., Neuwirth, J., Karrer, G.

  Event: 2nd Interdisciplinary Mountain Research Young Scientists Conference 2004

  Period: 29.09.2004 - 02.10.2004  | Location: Stelvio, Italy

• Year: 2004 -  Auswirkungen der Einstellung der Weidenutzung Ende des 19. Jahrhunderts im nordwestlichen Waldviertel (Vortrag)

  Autoren: Bassler, G., Karrer, G.

  Event: Landschaft im Wandel - Offenhalten der Landschaft

  Period: 01.03.2004  | Location: Salzburg, Austria

• Year: 2004 -  Untersuchungen zum Diasporenregen in mageren Wiesentypen des Lainzer Tiergartens (Vortrag)

  Autoren: Rosei, G., Karrer, G.

  Event: 11. Österreichisches Botanikertreffen 2004

  Period: 03.09.2004 - 05.09.2004  | Location: Vienna, Austria

• Year: 2004 -  Zur Methodik der naturschutzfachlichen Bewertung von Grünland auf regionalem Niveau. (Vortrag)

  Autoren: Bassler, G., Lichtenecker, A., Karrer, G.

  Event: 11. Österreichisches Botanikertreffen 2004

  Period: 03.09.2004 - 05.09.2004  | Location: Vienna, Austria

• Year: 2004 -  Ecological classification of the grassland vegetation of the class Molinio-Arrhenatheretea in Northwest Croatia (Vortrag)

  Autoren: Stancic, Z., Karrer, G.

  Event: 1st Croatian Botanical Symposium with international participation 2004

  Period: 30.09.2004 - 02.10.2004  | Location: Zagreb, Croatia

• Year: 2004 -  Trends in plant species traits during succession of abandoned meadows nearby Vienna, Austria. (Vortrag)

  Autoren: Karrer, G.

  Event: 47th Annual Symposium International Association of Vegetation Science, Landscape Change and Ecosystem Disturbance 2004 - Islands and Continents

  Period: 18.07.2004 - 23.07.2004  | Location: Kona, HI, USA

• Year: 2004 -  Rezente Änderungen der Grünlandnutzung und ihre Auswirkungen auf den Naturschutzwert am Beispiel des Niederösterreichischen Waldviertels (Vortrag)

  Autoren: Lichtenecker, A., Bassler, G., Karrer, G.

  Event: Landschaft im Wandel - Offenhalten der Landschaft

  Period: 01.03.2004  | Location: Salzburg, Austria

• Year: 2004 -  Ecological classification of the grassland vegetation of the class Molinio-Arrhenatheretea in Nortwest Croatia (Vortrag)

  Autoren: Stancic, Z., Karrer, G.

  Event: 1st Croatian Botanical Symposium with international participation 2004

  Period: 30.09.2004 - 02.10.2004  | Location: Zagreb, Croatia

• Year: 2003 -  Analysis of vegetation structure in the Natural Forest Reserve GAISBERG (Austria) (Vortrag)

  Autoren: Steiner, H., Karrer, G.

  Event: International Conference in Mukachevo (Ukraine), Natural Forests in the Temperate Zone of Europe. Values and Utilisation

  Period: 01.01.2003  | Location: Mukachevo, Ukraine

• Year: 2003 -  Utilisation of spatiotemporal gaps in meadows by different types of clonal growth (Vortrag)

  Autoren: Karrer, G., Steiner, H.

  Event: 7th Clonal Plant Workshop 2003

  Period: 01.08.2003 - 05.08.2003  | Location: Kuusamo, Finland

• Year: 2003 -  Problems of syntaxonomical classification of nutrient rich grassland after intensified utilisation – Do we need a red book for old concepts? (Vortrag)

  Autoren: Karrer, G., Lichtenecker, A., Bassler, G.

  Event: 46th Symposium of the International Association for Vegetation Science 2003

  Period: 08.06.2003 - 14.06.2003  | Location: Naples, Italy

• Year: 2003 -  Nature conservation services provided by mountainous grassland aereas and their measurement (Vortrag)

  Autoren: Neuwirth, J., Hambrusch, J., Wytrzens, H.K., Bassler, G., Lichtenecker, A., Karrer, G.

  Event: EU-Enlargement - Chances and Risks for the Rural Area 2009

  Period: 18.09.2009 - 19.09.2009  | Location: Ljubljana, Slovenia

• Year: 2003 -  Differences in species composition of seed rain, soil seed bank and actual vegetation in grasslands nearby Vienna and consequences for ecosystem management (Vortrag)

  Autoren: Karrer, G., Tüchler, A., Rosei, G.

  Event: Programm and Book of Abstracts, POP2003, Allocation, Plasticity and Allometry, 16th Annual Meeting Plant Population Biology Section

  Period: 28.05.2003 - 01.06.2003  | Location: Copenhagen, Denmark

• Year: 2003 -  Gentiana scabra Bunge and G. triflora Pall. (Gentianaceae) are monopodial gentians. – 16th Internat. Symposium Biodiversity and Evolutionary Biology (of the DBG), (Vortrag)

  Autoren: Davitashvili, N., Karrer, G.

  Event: 16th International Symposium - Biodiversity and Evolutionary biology of the German Botanical Society (DBG), 17th International Senckenberg Conference 2003

  Period: 21.09.2003 - 27.09.2003  | Location: Frankfurt am Main, Germany

• Year: 2002 -  On the importance of seed rain in extensively managed meadows nearby Vienna (Vortrag)

  Autoren: Karrer, G. Rosei, G., Beiser, A., Winkler, M., Kofler, K.

  Event: Metapopulation Dynamics and Landscape Fragmentation

  Period: 09.05.2002 - 12.05.2002  | Location: Pruhonice, Czech Republic

• Year: 2001 -  Nitrogen and carbon cycling in montane grassland under different management regimes (Vortrag)

  Autoren: Watzka, G., Karrer, G., Wanek, W.

  Event: COST-Aktion

  Period: 01.01.2001  | Location: Edinburgh, Scotland, UK

• Year: 2001 -  Seedling establishment in nutrient rich meadows in Lainzer Tiergarten (Vortrag)

  Autoren: Starzinger, U., Karrer, G.

  Event: 14th Meeting of the Working Group 2001 - Evolution and Plasticity in Plant Populations

  Period: 23.05.2001 - 27.05.2001  | Location: Vienna, Austria

• Year: 2001 -  Is it possible to recover plant diversity in anthropogenous grassland by soil seed bank? (Vortrag)

  Autoren: Bing, S., Karrer, G.

  Event: 14th Meeting of the Working Group 2001 - Evolution and Plasticity in Plant Populations

  Period: 23.05.2001 - 27.05.2001  | Location: Vienna, Austria

• Year: 2001 -  Assessment of life history traits for the management of rare and endangered Saxifraga species from Austria by detailed ecomorphological analysis (Vortrag)

  Autoren: Selinger, D., Karrer, G.

  Event: 14th Meeting of the Working Group 2001 - Evolution and Plasticity in Plant Populations

  Period: 23.05.2001 - 27.05.2001  | Location: Vienna, Austria

• Year: 2001 -  Life history traits of Pimpinella saxifraga in a nutrient poor meadow nearby Vienna (Vortrag)

  Autoren: Tüchler, A., Karrer, G.

  Event: 14th Meeting of the Working Group 2001 - Evolution and Plasticity in Plant Populations

  Period: 23.05.2001 - 27.05.2001  | Location: Vienna, Austria

• Year: 2001 -  The role of seed rain in nutrient poor meadows dominated by Nardus stricta (Vortrag)

  Autoren: Beiser, A., Karrer, G. Kofler, K.

  Event: 14th Meeting of the Working Group 2001 - Evolution and Plasticity in Plant Populations

  Period: 23.05.2001 - 27.05.2001  | Location: Vienna, Austria

• Year: 2000 -  Acceleration of (clonal) growth and ageing in meadow plants by frequent cutting and optimal nutrient supply (Vortrag)

  Autoren: Karrer, G.

  Event: Clone 2000

  Period: 20.08.2000 - 26.08.2000  | Location: Obergurgl, Austria

• Year: 1989 -  Vegetationsökologische Untersuchungen im Gleingraben bei Knittelfeld (Steiermark). Ein Beitrag zur Waldschadensforschung in Österreich (Vortrag)

  Autoren: Karrer, G.

  Event: Atti del symposio della societa estalpino-dinarica di fitosociologia

  Period: 01.01.1987  | Location: Feltre, Italy