The Eutrophication Problem in Temperate Lakes: Practical Aspects and Theoretical Ramifications

  • Tom Andersen
Part of the Ecological Studies book series (ECOLSTUD, volume 129)


The effects of anthropogenic eutrophication caused by using lakes and rivers as recipients for municipal, agricultural and industrial wastes are often found to be in conflict with commercial and recreational uses of the same localities. If we take Norway as an example, a recent survey of 355 Norwegian lakes (Faafeng et al. 1990) concluded that only 7% of the investigated lakes could be unambiguously classified as eutrophic, of which the majority has probably been eutrophicated by human activity. As this survey was deliberately biased toward lakes located in urban areas, we cannot multiply this figure with the number of lakes in Norway (approximately 400 000 lakes larger than 0.5 ha), to obtain to the total number of eutrophicated lakes. It is not even certain that an unbiased estimate of the number of eutrophicated lakes would be of much value, as the recreational and commercial value to the general public would be expected to be very much higher for lakes located in populated areas. While eutrophication appears to be a problem only on a local scale in some countries, it is still recognized as a major environmental problem in more densely populated areas of central Europe and north America.


Total Phosphorus Blue Green Alga Temperate Lake Planktivorous Fish Plankton Alga 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • Tom Andersen
    • 1
  1. 1.Department of BiologyUniversity of OsloOsloNorway

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