Abundance, Recruitment, and Shell Growth of the Exotic Mussel Limnoperna fortunei in the Río de la Plata, Argentina

Spaccesi, Fernando Gustavo

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Publication date

July 2017

DOI

10.1186/1810-522X-52-1

Publisher

Acad Sinica Inst Zoology

Abstract

Since its accidental introduction in 1991, Limnoperna fortunei has spread throughout the del Plata basin becoming established as a new non-indigenous freshwater bivalve in South America.I compared its population dynamics between two - sites in the Río de la Plata Estuary at Bagliardi Beach (freshwater) and Punta Indio Beach (saltwater-influenced) 90 km to the south, by monthly sampling of mussel conglomerates on hard substrate - during low tides for 1 year and observed significant variability over space and time. Punta Indio exhibited lower abundances of recruits (<1 mm) and post-recruits along with a larger adult size than those at Bagliardi Beach. The extent of air exposure appeared to be a major constraint regulating mussel densities in ...

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Abundance, Recruitment, and Shell Growth of the Exotic Mussel Limnoperna fortunei in the Río de la Plata, Argentina

Abstract

Extracted data

Abundance, Recruitment, and Shell Growth of the Exotic Mussel Limnoperna fortunei in the Río de la Plata, Argentina

Abstract

Extracted data

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