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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Sep 2009, 30 (5)                                     Back


Evaluation of trophic state of lake Uluabat, Turkey


Ayse Elmaci*, Nihan Ozengin, Arzu Teksoy, Fatma Olcay Topac and Huseyin Savas? Baskaya

Department of Environmental Engineering, Faculty of Engineering and Architecture, Uludag University,

Gorukle Campus, 16059, Bursa, Turkey

(Received: December 13, 2007; Revised received: May 15, 2008; Accepted: July 10, 2008)


Abstract: Lake Uluabat, which is located in Marmara region, is one of the most productive lakes in Turkey. Due to concerns about potential pollution resulting from watershed sources and adjacent agricultural lands, a study of the trophic state of lake Uluabat was conducted during the period February 2003 to January 2004. Total nitrogen (TN), total phosphorus (TP), Secchi disc depth (SD) and chlorophyll a (Chl a) were analyzed monthly in order to assess the trophic state of the lake. According to calculated nutrient ratios, phosphorus was found to be the primary limiting nutrient in lake Uluabat. Carlson?s trophic state index values, based on TP, SD and chl a, indicated that lake Uluabat is an eutrophic system.

Key words: Chlorophyll-a, Lake Uluabat, Secchi disc depth, Total phosphorus, Total nitrogen, Trophic state index

???? ??PDF of full length paper is available online




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