تلخیص
Densit and dtversttl ut plankton wits used as a measure of water quality. Photoplankton were abundant as compared to zooplankton_ Forty three phytoplankton genera were recorded. Among these !tine were of Cyanaph•ra. seventeen of Chlorophykt, seven vii Emlenbpitykr and ten of arysophyra. Chloroplyta were abundant in summer. Chrysophyra showed an inverse correlation with temperature. Euglenuphyta was rarely ttbserved. Sixteen genera of zooplankton were observed including twelve of protozoans and four of rotifers. Diversity index ranged from 3.16 to 4.13 which indicates unpolluted water.
ABDUS SALAM, MUHAMMAD ALI , M. ZUBAIR HUSSAIN. (2000.) EFFECT OF FASONAL VARIATIONS ON BIOLOGICAL PARAMETERS OF AN AQUA FARM, AGRICON, MULTAN, Punjab University Journal of Zoology, Volume 15, Issue .
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