Diversity and distribution patterns of aquatic insects in fish farm ponds in South Côte d’Ivoire
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2014, Vol 1, Issue 5
Abstract
A study was conducted in five fish farm ponds in Southern Ivory Coast from December 2007 to November 2008. Overall, 79 taxa belonging to 35 families and 8 orders of aquatic insects were identified. Hemiptera and Coleoptera dominated qualitatively aquatic insect community. Taxa richness is higher in Banco and lower in Layo. Three taxa of Coleoptera (Pseudobagous sp., Bagous sp., Macroplea sp.), one taxa of Hemiptera (Valleriola sp.) and one taxa of Megaloptera (Corydalidae) have been recorded from Côte d’Ivoire for the first time. The SelfOrganizing Map (SOM) was used to analyze patterns of insect assemblages. Samples were classified into three clusters. Samples from Azaguié, Anyama I and Anyama II were mainly gathered in cluster I while clusters II and III were respectively characterized primarily by samples from Banco and Layo. Salinity and conductivity were the most dominant variables governing aquatic insect distribution. This study allowed to know the community structure of aquatic insects and the distribution of samples based on environmental parameters and taxa assemblages.
Authors and Affiliations
YAPO Michel Laurince, EDIA Oi Edia, YTE Wongbé, ATSE Boua Célestin, KOUASSI Philippe
Keywords
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