期刊
ENVIRONMENTAL MONITORING AND ASSESSMENT
卷 185, 期 10, 页码 8355-8373出版社
SPRINGER
DOI: 10.1007/s10661-013-3178-3
关键词
Water quality; Lakes; Trophic status; India; Phytoplankton; Zooplankton; Bioindicator; Mandi; Himachal Pradesh
资金
- University Grants Commission, New Delhi
- Council of Scientific and Industrial Research, New Delhi
The present study deals with the limnobiotic status of three selected lakes of Himachal Pradesh using physicochemical and biological parameters (especially phytoplankton and zooplankton) over a period of 2 years. One hundred forty-eight species belonging to nine groups of phytoplankton and 79 species belonging to five groups of zooplankton were identified from the lakes. Trophic level and the pollution status of the lakes were assessed upon the basis of Shannon diversity index (H'), species richness index (S), and physicochemical parameters. Plankton population size was correlated with biotic and abiotic parameters (pH, alkalinity, temperature, dissolved oxygen, transparency, phosphate, chloride, and nitrate). The present investigation revealed that the distribution of plankton species depended upon the physicochemical parameters of the environment. Based on water quality standards given by the Central Pollution Control Board, the water quality was between A-B at Prashar wetland, C-D at Kuntbhyog Lake, and D-E at Rewalsar Lake. The results from the present study indicated that the potential of planktons as bioindicators of trophic status is very high.
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