Water Quality Parameters and Fish Biodiversity Indices as Measures of Ecological Degradation: A Case Study in Two Floodplain Lakes of India

DOI: 10.4236/jwarp.2010.21010   PDF   HTML     9,326 Downloads   19,211 Views   Citations


A three year study was conducted in two floodplain lakes to evaluate changes between seasonal variation of water quality parameter and finfish diversity indices. Samples of water and fish specimens were collected every month from three different stations of each lake to determine physico-chemical parameters of water and the finfish diversity indices. Split-plot and MANOVA designs, Multiplicative decomposition method and quadratic regression analysis were used to analyze the effects of the rate of changes between the parameters and sustainability of the lakes. The obtained results suggested that the impact of environmental change (e.g depth, conductivity, salinity of water etc.) on diversity indices was significant and should be taken into consideration when designing policies to increase the long-term sustainability of fishing activities in the lakes.

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D. Kumar MONDAL, A. KAVIRAJ and S. SAHA, "Water Quality Parameters and Fish Biodiversity Indices as Measures of Ecological Degradation: A Case Study in Two Floodplain Lakes of India," Journal of Water Resource and Protection, Vol. 2 No. 1, 2010, pp. 85-92. doi: 10.4236/jwarp.2010.21010.

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The authors declare no conflicts of interest.


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