OCCURANCE OF ZOOPLANKTON (ROTIFERA AND CLADOCERA) IN SOME WATER BODIES NEAR JAMSHORO

W.A. Baloch, G.R. Tunio, S. Noonari, I.B. Noonari

Abstract


Freshwater  zooplankton  (Rotifera  and  Cladocera)  occurrence  was studied  during  September-October  2009  in  natural  and  artificial  water  bodies situated in Jamshoro area. Sampling area included seven water bodies with different  water  qualities.  A  total  of  46  rotifer and 15  cladoceran  species  were  identified. Among  rotifers  five  species  namely Asplanchnopus syrinx, Branchinous leydigi f. Tridentatus, B. leydigi f. Tridentatus var. rotundus, Dipleuchlanis  propatula  and Polyarthra  dolichoptera  were  first  time  recorded. Brachionus  was  most diverse genus having eleven species while Lecane contributed with seven species. Monostyla and Polyarthra were having five species each. The majority of cladoceran occurred were benthic in nature however, Ceriodaphnia cornuta contributed with higher populations at different stations. The occurrence of zooplankton species in relation to the water quality id discussed.


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