An attempt has been
made to study the impact of industrial pollution on the species diversity and
distribution of rotifer fauna in river Basantar in the Jammu province of Jammu
& Kashmir during the period from December, 2009 to November, 2011. A total
of 16 rotifer taxa belonging to 12 Genera and 10 Families were recorded. Among
all the ten families, Family Brachionidae was dominant. The temporal variations
in rotifer population exhibited winter and spring maxima at all the stations
while spatial variations revealed a rise in their density from least polluted
to highly polluted sites mainly affected with industrial effluents. The rotifer
taxa Brachionus sps., Philodina, Keratella sp., Lecane luna, Lecane (M.) bulla
and Filinia longiseta had their highest density at the polluted stations of the
river and were identified as pollution indicator taxa. Diversity, richness and
evenness was highest at least polluted sites while dominance at highly polluted
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