Gerhard Karrer
Ao.Univ.-Prof.i.R. Mag.rer.nat. Dr.rer.nat. Gerhard Karrer
Institute of Botany
Location Gregor-Mendel-Straße 33, 1180 Wien
Email gerhard.karrer@boku.ac.at
Tel: +43 1 47654-83119
Research Focus
morphology, ecology and systematics of plants
Career
- 2020 ao. Univ.-Prof. i. R., scientific staff (BOKU University)
- 1993 - 2020 ao. Univ.-Prof. (BOKU University)
- 2005 - 2006 Visiting professor, University of Salzburg
- 2003 - 2004 Visiting Professor, University of Salzburg
- 2001 - 2002 Visiting professor, University of Salzburg
- 1997 - 1998 Visiting professor, University Salzburg
- 1996 - 2002 guest lecturer, "ecomorphology of plants", University of Vienna
- 1994 - 1995 Visiting professor, University Salzburg
- 1993 Habilitation, University of Agricultural Sciences, Vienna
- 1985 Doctoral degree, University of Vienna
Projects
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Publications
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Knowledge Transfer to Society
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Media
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Presentations
Year: 2025 - Neue Ökologische Zeigerwerte der Gefäßpflanzen Österreichs und deren Anwendungsmöglichkeiten (Talk)
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:
Association for research into the flora of AustriaYear: 2024 - Campanula in den Ostalpen – 2. Teil (Talk)
Autoren: Karrer, G
Event: Floristisch-taxonomisch-geobotanisches Seminar
Period: 21.03.2024 - 21.03.2024 | Location: Rennweg 14, 1030 Wien, Österreich | Organizer:
Association for research into the flora of AustriaYear: 2024 - Campanula in den Ostalpen – auch von unten betrachtet. Einblicke in die Gattung und ihre wenig beachteten unterirdischen Organe (Talk)
Autoren: Karrer, G
Event: Floristisch-geobotanisches Seminar: Campanula in den Ostalpen
Period: 25.01.2024 - 25.01.2024 | Location: Rennweg, 90489 Nürnberg, Deutschland | Organizer:
Association for research into the flora of AustriaYear: 2024 - Die Gattung Viola (Talk)
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:
Association for research into the flora of AustriaYear: 2024 - Süßgräser / Poaceae im Lainzer Tiergarten (Talk)
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:
Association for research into the flora of AustriaYear: 2024 - Ökologische Zeigerwerte der Gefäßpflanzen Österreichs 2.0 (Talk)
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:
Association for research into the flora of AustriaYear: 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:
University of Madeira, PortugalYear: 2024 - Neue ökologische Zeigerwerte der Gefäßpflanzen Österreichs im Vergleich (Talk)
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 | Organizer:
Working Group Botany Upper Austria | Organizer: University of Innsbruck Institute of BotanyYear: 2023 - Viola-Spezialexkursion (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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: 2020 - Common ragweed (Ambrosia artemisiifolia L.) causes severe yield losses in different soybean varieties by reducing the infection potential of Bradyrhizobium japonicum (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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, WienYear: 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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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: EOBIOTA 2016 - 9th International Conference on Biological Invasions
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 (Talk)
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) (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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. (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
Autoren: Bassler, G., Karrer, G., Willner, W.
Event: 14. Klimatag 2013 - Klimawandel, Auswirkungen und Anpassung sowie Vermeidung
Period: 04.04.2013 - 05.04.2013 | Location: Vienna, Austria
Year: 2013 - Mechanical control of marsh ragwort (Senecio aquaticus Hill) by cutting (Talk)
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 (Talk)
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
Year: 2012 - Invasion dynamics of Ambrosia artemisiifolia in Austria: DNA microsatellite analyses indicate spreading of different genetic lineages (Talk)
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
Year: 2012 - Ragweed in Austria: Problems and Regulations (Talk)
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 (Talk)
Autoren: Karrer, G.
Event: 15. Treffen der Österreichischen Botanikerinnen und Botaniker 2012
Period: 27.09.2012 - 29.09.2012 | Location: Innsbruck, Austria
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
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
Year: 2012 - Bestandesregulierung von Senecio aquaticus in naturschutzfachlich interessanten Wiesen (Talk)
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
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. (Talk)
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. (Talk)
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 (Talk)
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 (Talk)
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 - Forschung zu Klima, Klimawandel und Auswirkungen in Österreich
Period: 21.09.2011 - 22.09.2011 | Location: Vienna, Austria
Year: 2011 - Ragweed im Bereich der Transportwege (insbesondere Strassen) (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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. (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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. (Talk)
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 (Talk)
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. (Talk)
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 (Talk)
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 (Talk)
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) (Talk)
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 (Talk)
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? (Talk)
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 (Talk)
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 (Talk)
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), (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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? (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
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 (Talk)
Autoren: Karrer, G.
Event: Atti del symposio della societa estalpino-dinarica di fitosociologia
Period: 01.01.1987 | Location: Feltre, Italy
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