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Abstract
The abundance and distribution of benthic macro fauna in near shore waters off Karachi was studied. The marine benthic fauna was collected every month for a period of one year from otter trawl catches of “Hella” fishing trips undertaken by Karachi based commercial shrimp trawlers fishing in the depth of about 12 meters. A total of 76 species of invertebrates belonging to 38 families were studied. The distribution and abundance varied with seasons and maximum number of invertebrate species was found during the monsoon season with increasing salinity and falling temperature the number of invertebrate species in the study area, seemed to decrease. The diversity of invertebrate species collected was studied using the diversity indices and the seasonal variation was also observed.

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Raoof Muhammad Niazi, Naureen Aziz Qureshi, Muzammil Ahmed. (2007) ABUNDANCE, DISTRIBUTION AND SPECIES DIVERSITY OF INVERTEBRATES COLLECTED BY COMMERCIAL TRAWLER FROM NEAR SHORE COASTAL AREAS OF KARACHI, PAKISTAN (NORTHERN ARABIAN SEA), , Volume 4, Special Issue.
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International Journal of Biology and Biotechnology
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Volume 4
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