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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Mar 2009, 30 (3)                                                                                                             Back



Interactions between marine facultative epiphyte Chlamydomonas sp

Distribution and abundance of fish populations in Harike wetland-A Ramsar site in India

 

Anish Dua* and Chander Parkash

Laboratory of Aquatic Biology, Department of Zoology, Guru Nanak Dev University, Amritsar - 143 005, India

(Received: March 30, 2007; Revised received: September 27, 2007; Accepted: October 15, 2007)

Abstract: Harike wetland was declared a Ramsar site in 1990. It is located at the confluence of two major rivers of Indus rivers system, the Beas and the Sutlej, but was never explored extensively for its existing fish biodiversity. Earlier only 27 fish species of commercial value were reported from the wetland. Acknowledging its importance for rich diversity, fish assemblages in seven different reaches of Harike wetland were studied to determine their abundance and distribution. 61 fish species of 35 genera were recorded from Harike wetland during the present study. Cirrihinus mrigala and Cyprinus carpio belonging to family Cyprinidae were the dominant fish species. Lake and Riyasat having many microhabitats supported highest diversity of fishes (60 and 56 respectively) followed by Beas (20) Sutlej (14), Confluence (12), Reservoir (9) and Downstream (8). Among the IUCN designated threatened species, 1 Critically Endangered, 4 Endangered and 13 Vulnerable fish species of India are found in Harike wetland. Species diversity index, dominance, evenness and catch per unit effort were calculated to ascertain the fish distribution in Harike wetland.

Key words: Fish abundance, Species diversity index, Dominance, Evenness, Catch per unit effort, Harike wetland

PDF of full length paper is available with author (*anishdua@gmail.com)

 

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