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Giant Alien

Giant Hogweed (Heracleum mantegazzianum) - A pernicious invasive weed: Developing a sustainable strategy for alien invasive plant management in Europe.

 

Project partners:

Justus-Liebig-Universität Gießen (D)
Danish Forest and Landscape Research Institute (DK)
Universität Bern, Zoologisches Institut (CH)
CAB International (UK)
University of Hertfordshire, Dept. of Environmental Sciences (UK)
Academy of Sciences of the Czech Republik (CZ)
UFZ Leipzig (D)

Project management Giessen: Prof. Dr. Dr. Annette Otte

Involved scientists in Gießen: Dr. Jörg Hüls, Dr. Jan Thiele, Dr. Lutz Eckstein

Project period: 2002-2005

Keywords: Biological invasion, plant invasion, neophyt, Heracleum mantegazzianum, vegetation ecology, population biology

Abstract:

Alien invasive plants such as the caucasian Giant Hogweed (Heracleum mantegazzianum) are having a severe impact on biodiversity in Europe. Knowledge of the causes and mechanisms of spread, the effects on native vegetation, and control possibilities are usually still widely lacking or incomplete. A new project concerning H. mantegazzianum was commenced in January 2002. It is carried out under EU 5th FW, "Energy, Environment and Sustainable Developement – Assessing and Conserving Biodiversity". The overall aim of the project is to develop an integrated management strategy based on the knowledge of biocontrol methods (herbivores, pathogens), genetics, taxonomy, population biology and ecology.
Within the Giant Alien-Project, the Department of Landscape Ecology and Landscape Planning at the Justus-Liebig-University Giessen focus on the effects of land use history and site conditions on the pattern of spread of H. mantegazzianum in Europe and in the Caucasus as well as the aspects of the species' life history, i.e. life-cycle, population dynamics, seed and recruitment ecology, fecundity and regeneration

Funding: European Union, 5th Framework program, 'Energy, Environment and Sustainable Developement – Assessing and Conserving Biodiversity'


Publications:

  • HÜLS, J., OTTE, A. & ECKSTEIN, R. L., 2007: Population life-cycle and stand structure in dense and open stands of the introduced tall herb Heracleum mantegazzianum. - Biological Invasions 9: 799-811.
  • THIELE, J. & OTTE, A., 2006: Analysis of habitats and communities invaded by Heracleum mantegazzianum
  • THIELE, J. & OTTE, A., 2008: Invasion patterns of Heracleum mantegazzianum in Germany on the regional and local scale. - Journal for Nature Conservation 16: 61-71.
  • THIELE J., SCHUCKERT, U. & OTTE, A., 2008: Cultural landscapes of Germany are patch-corridor-matrix mosaics for an invasive megaforb. - Landscape Ecology 23: 453-465.


Book chapters:

  • OTTE, A., ECKSTEIN, R.L. & THIELE, J., 2007: Heracleum mantegazzianum in its primary distribution range of the Western Greater Caucasus. In: PYSEK, P., COCK, M.J.W., NENTWIG, W. & RAVN, H.P. (eds.): Ecology and management of Giant Hogweed (Heracleum mantegazzianum), 20-41, CAB International, Wallingford, UK.
  • PERGL, J., HÜLS, J., PERGELOVÁ, I., ECKSTEIN, R.L., PYSEK, P. & OTTE, A., 2007: Population dynamics of Heracleum mantegazzianum. In: PYSEK, P., COCK, M.J.W., NENTWIG, W. & RAVN, H.P. (eds.): Ecology and management of Giant Hogweed (Heracleum mantegazzianum), 92-111, CAB International, Wallingford, UK.
  • THIELE, J., OTTE, A. & ECKSTEIN, R.L., 2007: Ecological needs, habitat preferences and plant communities invaded by Heracleum mantegazzianum. In: PYSEK, P., COCK, M.J.W., NENTWIG, W. & RAVN, H.P. (eds.): Ecology and management of Giant Hogweed (Heracleum mantegazzianum), 126-143, CAB International, Wallingford, UK.
  • THIELE, J. & OTTE, A., 2007: Impact of Heracleum mantegazianum on invaded vegetation and human activities. In: PYSEK, P., COCK, M.J.W., NENTWIG, W. & RAVN, H.P. (eds.): Ecology and management of Giant Hogweed (Heracleum mantegazzianum), 144-156, CAB International, Wallingford, UK.

Project poster - pdf-Download

The Giant Alien Homepage

 

The Giant Hogweed Best Practice Manual