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Evaluation of the Trophic Level of Kune and Vain Lagoons in Albania, Using Phytoplankton as a Bioindicator

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 2, Issue 1, pp 61-67
DOI: http://dx.doi.org/10.13044/j.sdewes.2014.02.0006
Anni Koci Kallfa , Fatbardha Babani, Ariana Ylli Kraja
Department of Biotechnology, Faculty of Natural Sciences, University of Tirana, Albania

Concentration of chlorophyll is an adequate parameter for assessing the trophic state of lagoon ecosystems. Objectives of this study are: selection of a system of bioindicators to enable a good qualitative evaluation of the trophic state of the lagoons and their dynamics; evaluation of seasonal water quality variability and comparison between lagoons. The trophic state of the lagoons is analysed every month over the year. Water samples are retrieved at four different sites (exact coordinates) each month, sites that are representative of different water circulation systems at each lagoon. The trophic level in the respective lagoons is thus assessed through selection of an adequate system of bioindicators, in order to observe the oscillations of the amount of chlorophyll and therefore to determine the level of eutrophication. Based on the above parameters, the comparison of the trophic state in these two lagoons has shown that they have different trophic states.

Keywords: Kune and Vain lagoons, Lagoon ecosystem, Trophic state, Phytoplankton, Chlorophyll a

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