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. 2011 Aug 31;6(8):e24337. doi: 10.1371/journal.pone.0024337

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Miranda et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

First and second axes of a canonical correspondence analysis performed on gastropod population densities and physical and chemical parameters measured at Lake Nhlange, Lake Sibaya, Mgobozeleni Estuary and St. Lucia Estuary in northern KwaZulu-Natal, South Africa. Data were collected from 2007 to 2011at quarterly intervals. Physical and chemical parameter vectors: salinity (SAL), depth, water temperature (TEMP) and pH. Species: Tarebia granifera (Tarebia), Melanoides tuberculata (Melanoides), Physa acuta (Physa), Assiminea cf. ovata (Assiminea), Haminoea natalensis (Haminoea), Aplexa marmorata (Aplexa), Lymnaea natalensis (Lymnaea) and Bulinus natalensis (Bulinus).