Recent changes in the nutrient status of a soft-water Lobelia lake, Hampen Sø, Denmark

Authors

  • Kaarina Weckström Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K. Denmark
  • Peter Rasmussen Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K. Denmark
  • Bent Vad Odgaard Department of Earth Sciences, University of Aarhus, C.F. Møllers Allé 120, DK-8000 Århus C, Denmark
  • Thorbjørn Joest Andersen Department of Geography & Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Tarmo Virtanen Department of Environmental Sciences, P.O. Box 65, 00014 University of Helsinki, Finland
  • Jesper Olsen Centre for Climate, the Environment & Chronology, Archaeology & Palaeoecology Building, Queen’s University Belfast, 42 Fitzwilliam Street, Belfast, BT9 6AX, UK

DOI:

https://doi.org/10.34194/geusb.v20.4896

Abstract

Nutrient-poor, low-productive (oligotrophic) soft-water lakes in the Atlantic areas of West and North-West Europe – the so-called Lobelia lakes – are of high conservation value as their low nutrient status favours a particular submerged macrophyte flora with isoetids, which are becoming increasingly rare or threatened due to nutrient enrichment (eutrophication) associated with landuse changes and urbanisation. European Union member states have a duty of care, under the Habitats Directive, to protect the biodiversity of oligotrophic to mesotrophic (moderately productive) standing waters.

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Published

2010-07-07

How to Cite

Weckström, K., Rasmussen, P. ., Vad Odgaard, B., Joest Andersen, T. ., Virtanen, T., & Olsen, J. (2010). Recent changes in the nutrient status of a soft-water Lobelia lake, Hampen Sø, Denmark. GEUS Bulletin, 20, 43–46. https://doi.org/10.34194/geusb.v20.4896

Issue

Section

RESEARCH ARTICLE | SHORT