Land snail species richness and diversity in Idanre hills, Ondo State, Nigeria
2010
Christopher Oke, Omamoke | Joseph Chokor, Utienyi
The land snail community of Idanre hills was studied using a combination of direct search and leaf litter‐sieving techniques. In total, 36 species and 2192 individuals in nine molluscan families were collected from 19 plots of 400 m² each. Species richness varied from 8 to 23 and the number of individuals from 21 to 566 per plot. Species richness was dominated by the carnivorous Streptaxidae, while numerical abundance was dominated by the Subulinidae, Streptaxidae and Urocyclidae, contributing to more than 95% of the total number of individuals. The single most abundant species was the urocyclid Trochozonites talcosus, contributing to almost 20% of the total number of individuals. The species richness and high abundance of land snails make Idanre hills a unique site for molluscan conservation in Nigeria.
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