Hans Jürgen Böhmer

Boehmer, H.J., Schuchmann, K.-L. and K.M. Wantzen: Biodiversity - Patterns, Processes, Conservation. Proceedings of the 2nd Latin America Symposium, organized by Interdisciplinary Latin America Center (ILZ) and Forschungsmuseum Alexander Koenig, Bonn, Germany.

Boehmer, H.J., Schuchmann, K.-L. and K. M. Wantzen: Biodiversity in Change. 1st Latin America Symposium, organized by Interdisciplinary Latin America Center (ILZ) and Forschungsmuseum Alexander Koenig, Bonn, Germany.

Boehmer, H.J. and Lange, B.: Biological Globalization by Invasive Species? Current trends in Germany in the context of the 9th Conference of Parties. National Workshop, organized by Deutscher Naturschutzring and Forum Umwelt und Entwicklung, Bonn, Germany.

Boehmer, H.J., J. Dauber, I. Hahn, D. Kampmann, D. Simmering, H.H. Wagner and R. Waldhardt: Landscape changes and biodiversity: Landscape ecological research towards sustainable land use in Europe. International Workshop organized by the Landscape Ecology Working Group of the Ecological Society of Germany, Austria and Switzerland (GfÖ), Giessen, Germany.

Boehmer, H.J., Löffler, J. and M. Winiger: Events, trends, cycles – What drives the dynamics of ecosystems? Annual meeting of the Biogeography Working Group of the Geographical Society of Germany (VGDH), Bonn, Germany.

Boehmer, H.J. and R. Waldhardt: Driving forces of species diversity at the landscape scale. 35th meeting of the German Society for Ecology, Regensburg, Germany.

Boehmer, H.J. and D. Mueller-Dombois: Consequences of species invasions. 44th IAVS-Symposium "Vegetation and Ecosystem Functions", Freising-Weihenstephan, Germany

Boehmer, H.J.: Current aspects of Nature Conservation in the European Alps. CIPRA Summer Academy, Schaan, Liechtenstein

Museum and Institute of Zoology (MIZ), Polonian Academy of Sciences, Warsaw: Interdisciplinary Aspects of Vegetation Dynamics.

Friedrich-Alexander-Universität Erlangen-Nürnberg, Institut für Geographie: Zur Berechenbarkeit natürlicher Dynamik: Zeitgemäße Inszenierungen globalen Wandels in der Biogeographie. Beitrag zum Festkolloquium für Werner Bätzing.

Universität Hildesheim, Geographisches Institut: Biologische Invasionen - Biogeographische Mobilitätsforschung im Global Change.

Forschungsmuseum Alexander Koenig (Leibniz Institut), Bonn: Long-term dynamics and invasibility of a Pacific montane rainforest.

University of Bonn, International Postgraduate Programme "Agricultural Science and Resource Management in the Tropics and Subtropics" (ARTS): Biological Invasions as a problem for conservation management.

German Academic Exchange Service (DAAD), Bonn: The need for interdisciplinarity in nature conservation.

German Academic Exchange Service (DAAD), Bonn: Biological invasions in the Cape Horn region.

University of Toronto at Mississauga, Department of Biology: Long-term dynamics of Hawaii's rain forests and the impact of invasive alien species.

Technical University of Munich, Department of Ecology: Alien species in Germany – problem or enrichment?

University of Kassel, Department of Landscape and Urban Planning: Is it possible to replant grassland ecosystems? On conservation and development of sandy habitats.

University of Anhalt, Department of Landscape Planning: Grassland management at the airport of Nuremberg.

Swiss Federal Research Institute WSL, Birmensdorf, Switzerland: Reconstruction of landscape change in Upper Franconia since 1850 - implications for connectivity.

Technical University of Munich, Department of Ecology: Natural disturbances as driving forces of vegetation dynamics.

University of Frankfurt, Department of Physical Geography: Dynamics, invasibility, and conservation of montane rain forests on the island of Hawaii.

University of Heidelberg, Department of Geography: Dynamics and invasibility of montane rain forests in Hawaii.

University of Bonn, Department of Geography: Biological Invasions as a problem in Plant Geography.

University of Bonn, Lecture Series in Historical Geography: Biological Invasions in Germany – biogeographical and historical aspects.

University of Bonn, Department of Geography: Disturbance driven long-term dynamics of Hawaii´s montane rain forest.

Technical University of Munich, Lecture Series in Vegetation Ecology: Cohort senescence and invasive species – the long-term dynamics of Hawaii´s rain forests.

University of Karlsruhe, Geoecology lecture series: Rain forest dynamics on the island of Hawaii.

University of Bayreuth, Department of Geography: Disturbance driven long-term dynamics of montane rain forests on the island of Hawaii.

Centre for Environmental Research (UFZ), Regeneration dynamics of the montane rainforest on the island of Hawaii.

University of Bonn, Department of Geography: Disturbance driven vegetation dynamics – prospects for an interdisciplinary plant geography.

University of Hawaii at Hilo, Biology Department Seminars: Regeneration of native Ohia forest after dieback.

University of Münster, Department of Landscape Ecology: Regeneration and Invasibility of the Metrosideros rain forest on the Island of Hawaii.

University of Giessen, Geography Department: Vegetation dynamics in the Glatzbach catchment (Austria).

German Federal Environmental Agency, Vilm: Dynamic conservation concepts in vegetation ecology.

Landesbund für Vogleschutz in Bayern e.V., Conservation Symposium, Eichstätt: Natural Disturbances in Alpine Vegetation.

Boehmer, H. J.:"Evidence for long-term cohort dynamics in Hawaii´s montane rainforest" Hawaii Conservation Conference, Honolulu.

Wagner, H.H., E. Jedicke, V. Retzer and H.J. Boehmer: Turning landscape conservation projects into biodiversity experiments. Symposium “Alternative principles for landscape management”, 2007 IALE International Congress, Wageningen, NL.

Boehmer, H.J. and O. Bender: Reconstructuion of vegetation dynamics in the Fraenkische Schweiz area since 1850. Deutscher Geographentag, Trier, Germany.

Boehmer H. J., Gerrish G. C., Minden V. & Mueller-Dombois D.: Alien species and biodiversity loss in a tropical montane rain forest. Botanikertagung 2004, University of Braunschweig, Germany.

Bender, O., Boehmer, H.J. & K.P. Schumacher: Using GIS to reconstruct 200 years of landscape change in south Germany. The Permanent European Conference for the Study of Rural Landscapes, Tartu, Estonia.

Werner, R., Jax, K. & H.J. Boehmer (2008): Vegetation dynamics on abandoned beaver ponds on Navarino Island (Fuegian Archipilago, Chile).

Boehmer, H. J., Gerrish G. C., Jacobi, J., Minden, V. & Mueller-Dombois D.:"Effects of alien plants on the dynamics of Hawaii´s montane rainforest" Hawaii Conservation Conference, Honolulu.

Minden, V., Porembski, S., Jacobi, J. D. & Boehmer, H. J.: Effects of Hedychium gardnerianum-invasion (Zingiberaceae) on regeneration dynamics of a montane rainforest on the island of Hawaii. Annual Meeting of the Society for Tropical Ecology, Kaiserslautern.

Schmitt, C., Senbeta, F., Denich, M., Preisinger, H. & Boehmer, H. J.: Impact of traditional coffee management on the biodiversity of natural coffee forests in Bonga region (SW Ethiopia). Annual Meeting of the Society for Tropical Ecology, Kaiserslautern.

„Fragmentierung von Kalkmagerrasen in der Fränkischen Schweiz seit 1850“. Annual meeting of the Working Group Biogeography, Marburg, Germany.

Kayser, J., Gnädinger, J., Kiehl, K. & Boehmer, H. J.: Response of plant functional groups to grazing after clearing of upper montane forest pastures. Annual meeting of the Ecological Society of Germany, Austria and Switzerland.

Boehmer, H. J., Gerrish G. C., Jacobi, J. & Mueller-Dombois D.: “Long-term effects of large-scale disturbances in the Metrosideros-dominated montane rain forest in Hawaii”. Symposium “Mountains in the Mist”, Waimea, Hawaii.

Boehmer, H. J., Gerrish G. C., Jacobi, J. & Mueller-Dombois D.: “Long-term regeneration dynamics of a montane rain forest on the island of Hawaii”. 47. IAVS Symposium, Kailua-Kona, Hawaii.

Boehmer, H. J. & K. Jax: The invasive alien Castor canadensis as an ecosystem engineer on Isla Navarino (Cape Horn region, Chile).

„Boehmer, H. J., O. Bender and D. Jens: Potential of GIS-based analysis of landscape change for conservation“. Annual meeting of the German Society for Geography (Deutscher Geographentag), Leipzig, Germany.

Boehmer, H. J.: "Regeneration and invasibility of a Hawaiian montane rain forest". 44. IAVS Symposium, Freising-Weihenstephan, Germany.

Boehmer, H. J. & U. Doyle (2001): “Recently spreading alien species in Germany: South African Ragwort (Senecio inaequidens) and American Mink (Mustela vison)”. SCBD meeting, Montreal.

Boehmer, H. J.: Regeneration und Invasibilität des montanen Metrosideros-Regenwaldes auf der Insel Hawaii“. Neobiota-Symposium, TU Berlin, Germany.

Boehmer, H. J.: „Natural disturbances as determining factors of biodiversity in alpine ecosystems“. Working Group High-Alpine Ecology, Vilm, Germany.

Boehmer, H. J.: „Vegetation dynamics of an alpine grassland ecosystem“. Annual Meeting of the German Society for Geography (Deutscher Geographentag), Hamburg, Germany.