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Assessing the trophic status of Lake Mikri Prespa, Greece by Koussouris, T. S.; Diapoulis, A. C.; Balopoulos, E. T. is a Environmental Science article available to read on EtoBox.

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Lake Mikri Prespa is a shallow water basin characterized by unstable thermal stratification, primary dimictic conditions and clinograde distribution of dissolved oxygen. The nutrient concentrations are high, indicating a trend towards eutrophication. Total phosphorus input calculated on the basis of the export coefficient accounting for land-uses and other sources is estimated to be of the order of 1 5 x 10 6 kg yr A mathematical model is applied to assess the trophic status of Lake Mikri Prespa in the light of development projects recently undertaken in its catchment area. Evaluation of the trophic status reveals that the critical and permissible loading for Lake Mikri Prespa are 0.07 and 0.03 gm^y 1 , respectively. Present loading of the lake is estimated at 0.27 gm-2 y-' indicating that the lake is already at a dangerous level. On the basis of the employed O.E.C.D. relationships, Lake Mikri Prespa is presently classified as mesotrophic to eutrophic. Evaluation de l'étal trophique du I.ac Mikri Prespa (Grèce) Mots clés : Etat trophique, modélisation, lac, Grèce. Le lac Mikri Prespa est un bassin dimictique peu profond caractérisé par une stratification thermique instable et une d

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Author

Koussouris, T. S.; Diapoulis, A. C.; Balopoulos, E. T.

Publisher

EDP Sciences (ISSN 0003-4088)

Published

1989

Field

Environmental Science (Physical Sciences)