Trophic Status of Marzanabad Reservoir of Babol based on the Carlson Index
Subject Areas : New Technologies in Aquaculture Development
Keywords: Babol, Marzanabad, Keywords: Trophic index, Carlson,
Abstract :
Abstract Marzanabad reservoir is located in Mazandaran province, south-western part of Babol. Its area is 183 hectares and its mean depth is 2.5 meters. This reservoir is rich in aquatic plants and has been a good habitat for migratory birds. The entrance of farmland wastewaters and pollutants are from the impacts leading to a loading of DIN and TP into this reservoir. This study was conducted in order to trophic status in this ecosystem for the first time during 1 year since September 2006 to August 2007. In this research, water temperature, dissolved oxygen, pH, trophic state indicators including TP, Chla, Secchi depth and dissolved Nitrate concentration was studied based on the Carlson trophic state index in 3 stations with 3 replicates monthly. According to TSI, Marzanabad reservoir is in eu-hypereutrophic condition.
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