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Distribution, diversity and abundance of coral communities in the coastal waters of Pakistan

Published online by Cambridge University Press:  10 September 2013

Amjad Ali ,
Rupert Ormond ,
Wera Leujak  and
Pirzada Jamal A. Siddiqui
Amjad Ali*
Affiliation:
Centre of Excellence in Marine Biology, University of Karachi, Karachi-75270, Pakistan
Rupert Ormond
Affiliation:
University Marine Biological Station Millport, Isle of Cumbrae, Scotland, UK
Wera Leujak
Affiliation:
German Federal Environment Agency, Woerlitzer Platz 1, Postfach 1406, 06813 Dessau-Rosslau, Germany
Pirzada Jamal A. Siddiqui
Affiliation:
Centre of Excellence in Marine Biology, University of Karachi, Karachi-75270, Pakistan
*
Correspondence should be addressed to: A. Ali, Centre of Excellence in Marine Biology, University of Karachi, Karachi-75270, Pakistan email: [email protected]
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Abstract

We assessed the distribution, diversity and abundance of corals in Pakistani waters. A total of 29 hard coral species (eight families and 14 genera), one black coral species and eight soft coral species (three families and seven genera) were recorded from 18 dive sites at nine locations along the coastline. Distribution of hard corals was extremely poor at Mubarak Village and Sandspit, and corals were not found at Goth Abdul Rehman, Gadani (Kuchiani) and Buleji. Moderately rich coral communities were recorded at Churna Island and at more exposed sites around Astola Island. By contrast highly diverse hard coral communities, with up to 80% cover, were found only at the northern sheltered side of Astola Island where Favites complanata, Favites pentagona, Coscinaraea monile and Porites nodifera were the most abundant species. Favites complanata was recorded from most dive sites at Astola Island. Porites nodifera and Pocillopora damicornis, and to a lesser extent Porites harrisoni, Leptastrea pruinosa and Psammocora obtusangulata formed large single species stands. No ‘true’ coral reef was found at any dive site; however, the formation of proto-reefs was evident around Astola Island. Soft corals were dominant at most exposed sites, particularly at Ormara (Roadrigues Shoals) and Jiwani. By comparing diversity with other locations in the region, corals distribution and growth appear to be fairly poor in Pakistan.

Keywords

Arabian SeaPakistan coasthard coralssoft coralsAstola IslandChurna Island
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 94 , Issue 1 , February 2014 , pp. 75 - 84
Copyright
Copyright © Marine Biological Association of the United Kingdom 2013 

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