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Title: Habitat heterogeneity determines structural properties of intertidal gastropod assemblages in a pristine tropical island ecosystem
Authors: Pandey, Vikas
Thiruchitrambalam, Ganesh
Satyam, Kunal
Keywords: Gastropods assemblages;Intertidal diversity;Rocky shores;Andaman Islands
Issue Date: Apr-2018
Publisher: NISCAIR-CSIR, India
Abstract: Community dynamics of gastropods were studied from four selected intertidal locations along an18km long coastal stretch on the east coast of south Andaman Islands. A total of 71 taxa belonging to 17 families and 3 orders were identified. While Nassariidae (31.15%) made maximal contribution to faunal abundance, Muricidae (11 species) and Conidae (9 species) were mainly responsible for changes in diversity patterns. In general, abundance and diversity exhibited a reversing trend. Most diverse area (H’=1.816±0.49 and d= 2.68±0.97) was found in the middle of the southeast coastal stretch. Multivariate analysis revealed the presence of location-specific gastropod assemblages spearheaded by Nassarius spp. and Nerita spp. The results yielded a potential positive correlation between locations and gastropod diversity along the entire coastal stretch.
Page(s): 846-855
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.47(04) [April 2018]

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