- Häftad (Paperback / softback)
- Antal sidor
- Softcover reprint of hardcover 1st ed. 1999
- Bergman, Eva (ed.), Hansson, Lars-Anders (ed.)
- XII, 156 p.
- 279 x 216 x 9 mm
- Antal komponenter
- 1 Paperback / softback
- 413 g
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Nutrient Reduction and Biomanipulation as Tools to Improve Water Quality: The Lake Ringsjoen Story
The Lake Ringsjon StoryThis book tells a story of a large lake affected by agricultural and urban activities that have led to severe eutrophication problems with nuisance blue-green algal blooms. Although it is a case study of Lake Ringsjoen (southern Sweden), the background, problems and measures are applicable to many lakes throughout the world. From a limnological point of view, the Lake Ringsjoen story began more than 100 years ago, and during the last 20 years the sampling program has been intense, providing a unique data set on how a lake responds to human activities. However, the Lake Ringsjoen story is not only a case study, but also a historical record of the development of ecological theory and its application. Hence, the lake has been subject both to an extensive nutrient reduction programme and a biomanipulation by means of fish reduction. Here we aim at combining the unique limnological data set with the eutrophication process, the nutrient reduction programme and the biomanipulation in order to apply our empirical knowledge to future lake management measures.
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Preface. Introduction; E. Bergman, L.-A. Hansson. Lake Ringsjoen: its catchment area, its history and its importance; L.-A. Hansson, et al. Changes in nutrient load and lake water chemistry in Lake Ringsjoen, southern Sweden, from 1966 to 1996; E. Bergman. Internal phosphorus loading in Lake Ringsjoen; W. Graneli. Qualitative and quantitative investigations of phytoplankton in Lake Ringsjoen, Scania, Sweden; G. Cronberg. Autumn waterfowl abundance in Lake Ringsjoen, 1968-1996; G. Andersson, L. Nilsson. Biomanipulation in a theoretical and historical perspective; E. Bergman, et al. Planning and execution of the fish reduction in Lake Ringsjoen; S.F. Hamrin. The effects of cyprinid reduction on the fish community; E. Bergman, et al. Lack of a top-down effect on the zooplankton community after a cyprinid reduction; E. Bergman, E. Bergstrand. Juvenile fish expansion following biomanipulation and its effect on zooplankton; P. Romare, E. Bergman. Impact of cyprinid reduction on the benthic macroinvertebrate community and implications for increased nitrogen retention; J.M. Svensson, et al. The development of submerged macrophytes in Lake Ringsjoen after biomanipulation; J.A. Strand. The occurrence of toxic blue-green algae in Lake Ringsjoen, South Sweden, despite nutrient reduction and fish biomanipulation; G. Cronberg, et al. Simulating the effects of biomanipulation on the food-web of Lake Ringsjoen; A. Persson, et al. Synthesis of theoretical and empirical experiences from nutrient and cyprinid reductions in Lake Ringsjoen; E. Bergman, et al.