Community and diversity of aquatic fauna in conservation area (Kukhut) of Songkhla lake: Technical paper no. 17/1997
1997
Angsunee Choonhapran | Thanate Sritakon (Department of Fisheries, Bangkok (Thailand). National Institute of Coastal Aquaculture)
Study of community and diversity of aquatic fauna in Conservation area(Kukhut) in Songkhla Lake was conducted from January to December 1996. Seven stations were established in the conservation area of 934 rai using circling net mesh size 0.5 cm, length 50 m and depth 3 m. Monthly variation was observed on 7 stations. Species composition of aquatic fauna was found 53 species were fish 45 species, shrimp 7 species and molluse 1 species, deviating to resident 30.2 percent and displacement 39.6 percent. Monsoon season, February and May species of aquatic fauna were found higher than dry season in March and August were 28 and 17 species, respectively. Diversity index and Evenness index were 1.47-1.90 and 0.61-0.82 all year round. Macrobrachium equidens, Corica soborna and Rhinogobius hongkongensis were resident groups that top ten dominant species every month and station that have similarity index 80 percent. These groups were small size fish and can be fed by migrant groups of aquatic fauna and bird.
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