Assemblage diversity and multivariate analysis of insects and arachnids from sandspit mangrove forests Avicennia marina Forsk
2010
Nazim, K. (Federal Urdu Univ., Karachi (Pakistan). Dept. of Zoology) | Ahmed, M. (Federal Urdu Univ., Karachi (Pakistan). Dept. of Botany) | Khan, M.U. (Federal Urdu Univ., Karachi (Pakistan). Dept. of Zoology) | Shaukat, S.S. (Karachi Univ. (Pakistan). Inst. of Environmental Studies) | Kamaluddin, S. | Khan, N.
The study deals with population diversity and multivariate analysis of insects and spiders of Sandspit mangrove forest dominated by grey mangrove Avicennia marina. In order to get information about the seasonal variations and the distribution of insects and arachnids of Sandspit mangrove forest monthly data was collected from 2007 to 2008. A total of 33 species of insects and arachnids were recorded. Among them 28 species associated with class insecta; most of the species belong to orders Diptera. Only six species of spiders were recorded from the study area belonging to five families. Few insects are biting type causing irritation and pain to the human being; however they live frequently in the mangrove forests. Species diversity (H') of class insecta species is 1.406 while species richness and evenness were 0.422 and 7.02 respectively. Species diversity (H'), Species richness, evenness and dominance of Arachnida species are 1.212, 0.753, 1.020 and 0.365 respectively.
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