SPECIES DIVERSITY AND ABUNDANCE OF ICHTHYOFAUNA OF BIYYAM KAYAL - A DEVELOPING BRACKISHWATER TOURIST CENTRE IN KERALA WITH SPECIAL REFERENCE TO THREATS AND CONSERVATION MEASURES
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Abstract
Species diversity and abundance of ichthyofauna of Biyyam kayal has been investigated for a period of one year. This water body has high biological, ecological and socio economic relevance as far as the Malabar region of Kerala is concerned. Thirty six fish species were recorded from the lake which indicated the rich faunal biodiversity. Majority have high commercial importance as food and ornamental fishes. The fishes are endangered due to anthropogenic reasons which include unethical fishing practices, pollution, habitat destruction etc. The proposed conversion of the lake as a tourist centre would likely to worsen the situation. Strict management measures with large scale public awareness would be essential to save the ichthyodiversity of Biyyam kayal.
Key words : Ichthyodiversity, Biyyam kayal, management measures.
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