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Distribution and Species Composition of Zooplankton in Himalayan Ecosystems

The zooplankton communities of lakes, Sars, wetlands and ponds in Jammu-Kashmir Himalayas were examined. The waters are situated between 600–3800 m a. s. l. and, in the ordinates 30°–36° N. Significant variations in Rotifers and Crustacean distribution patterns were encountered. Some species having wide tolerance limits are more frequent while a few species due to their rigid environmental demands are restricted to few water bodies. Such species serve as good indicators of trophic evolution. The general distribution of these groups and their ecological implication have been discussed in the paper.