Özet:

Lake Eber is a small, shallow tectonic lake, located in the central part of Anatolia. Lake is under effect of pollution and exotic fish species. In order to define environmental degradation within the lake and its effects on fish assembly in a historical perspective field study was conducted. Water sampling was conducted seasonally between December, 2012 and September, 2013. Physico-chemical paramaters as dissolved oxygen, pH, total phosphorus and total Kjeldahl nitrogen was assessed. Trophic state index was calculated from phosphorus concentrations and trophic state of the lake was assessed. Fishing was carried out in April, 2013, on randomly selected eight stations with benthic multimesh nets (30 m long, 1.5 m depth, 12 different mesh size from 5x5 mm to 55x55 mm) and fyke net. Fish assembly, catch data (catch per unit effort), length-weight relationships of the species with enough sample size is reported. 

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