Temporal variations in Commercial Fish Community of a Floodplain of the River Ravi, Pakistan. | [Biologia • 2014]

Author(s):

1. Altaf Hussain: Department of Zoology, Government College University, Lahore, Pakistan

2. Abdul Qayyum Khan Sulehria: Department of Zoology, Govt. Islamia College, Civil Lines Lahore, Pakistan

3. Muhammad Ejaz: Department of Zoology, Government College University, Lahore, Pakistan

4. Asma Maqbool: Department of Zoology, Government College University, Lahore, Pakistan

5. Muhammad Ramzan Mirza: Department of Zoology, Government College University, Lahore, Pakistan

Abstract:

Temporal distribution of commercial fish community of a floodplain lake situated on River Ravi near Balloki Head Works was investigated. Survey was conducted by taking monthly samples from August 2012 to May 2013. In total, 1703 fishes were collected and identified which belonged to 19 species, 14 genera, 8 families and 7 orders. Cypriniformes was the most abundant order with a largest number of representatives. The most abundant species were Labeo rohita (229), Wallago attu (225) and Cirrhinus mrigala (214) whereas Xenentodon cancila was present in lowest number (5). Shannon- Weaver index (H) was highest in December (2.67581) and lowest in May (1.80945), Simpson index of dominance (D) was highest in May (0.21893) and lowest in December (0.08306), Simpson index of diversity (1-D) was highest in December (18.9169) and lowest in May (18.781). Species richness (SR) was maximum in February (3.4206) and minimum in April (2.1722) while Species evenness (E) was highest in August (0.95691) and lowest in May (0.82351).

Page(s): 73-80

DOI: DOI not available

Published: Journal: Biologia, Volume: 60, Issue: 1, Year: 2014

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