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Abstract

An elevated level of phosphorus (P) is often identified as main cause of eutrophication in lakes (Schindler, 1977). Eutrophication is defined as a process where the natural aquatic environments are enriched with nutrients in such amounts that it results in changes in the community of organisms and a declined water quality, with an increased production of algae and macrophytes (Vollenweider and Kerekes, 1982). The degradation of the increased amount of biomass can lead to oxygen depletion of bottom waters and dead lake bottoms. The relative contribution of P from agriculture increased when P removal was introduced in municipal wastewater treatment plants, and P transport from arable land is now the main source of P (Rekolainen et al., 1997).

Keywords

phosphorus; model; losses; transport

Published in

Ekohydrologi
2001
Publisher: Avdelningen för vattenvårdslära, Sveriges lantbruksuniversitet

SLU Authors

  • Persson, Kristian

    • Sveriges lantbruksuniversitet, Swedish University of Agricultural Sciences

UKÄ Subject classification

Soil Science

Permanent link to this page (URI)

https://res.slu.se/id/publ/125856