Spatial distribution of two invasive freshwater snails and environmental correlates of the mollusc community abundance, a case study in Chile
G. A. Collado,
M. A. Vidal,
C. Torres-Díaz
Abstract:Invasive species can produce negative effects on native species. We studied the densities of Physa acuta and Potamopyrgus antipodarum, two invasive freshwater snails in Chile, and analyzed the relationship between environmental parameters and the relative abundances of the mollusc community in several ecosystems. Densities of both species were studied in three habitat types (stones, smooth sediment, and vegetation) in the Consuelo Stream, Coquimbo Region. Densities of Potamopyrgus antipodarum were significantl… Show more
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