Zooplankton Population Variations, Chlorophyll-A and Nutrients in Anchar Lake, Kashmir
Journal Title: Universal Journal of Environmental Research and Technology - Year 2012, Vol 2, Issue 4
Abstract
In order to understand trophic status of lake Anchar, seasonal pattern of zooplankton, chlorophyll-a and nutrients level in water column was examined from June 2010 to May 2011. Average of all stations taken together have shown a bimodal peak, bigger peak was observed in spring months and the other smaller one was observed in summer months in Anchar lake. The sequence of dominant species of zooplankton was Rotifera > Cladocera > Protozoa >Copepoda> Ostracoda in this lake. Correlation between zooplankton species and nutrients level was established. The Chlorophyll- a as an indicator of phytoplankton biomass peaks in colder periods. The ammonical-nitrogen ranged between 210.3 to 499.3 µg/l with mean of 336.3±21.60 µg/l. On the basis of nutrients and chlorophyll-a dynamics, the lake varied from mesotrophic to eutrophic in different seasons.
Authors and Affiliations
Ahangar, I. A, Saksena, D. N, Mir, M. F. and Ahangar, M. A.
Keywords
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