Metazooplankton communities in the Ahe atoll lagoon (Tuamotu Archipelago, French Polynesia): spatiotemporal variations and trophic relationships

Marine Pollution Bulletin
Marc PaganoLoic Charpy

Abstract

Metazooplankton abundance, biomass (<80 μm, 200-500 μm and >500 μm) and community structure in the Ahe atoll were studied together with their relationships with environmental factors (temperature, salinity, wind) and trophic factors (phytoplankton, bacteria, heterotrophic nanoflagellates (HNF) and ciliates) during three periods in 2008-2009. Meroplankton, mainly bivalve and gastropod larvae, was dominant. Holoplankton was dominated by copepods, the main species being Oithona spp., Paracalanus parvus, Clausocalanus spp., Corycaeus spp., Acartia fossae and Undinula vulgaris. The results suggest a clear wind influence on the structure and horizontal distribution of the zooplankton communities. The metazooplankton appeared to be controlled mainly by food resources, suggesting a bottom-up control. The low nanophytoplankton biomass in contrast to the high abundance of picophytoplankton, HNF and nano-particle grazers (mainly Oithona spp., Paracalanus and bivalve larvae) highlighted the importance of the microbial loop in the food web.

References

Jan 21, 2012·Marine Pollution Bulletin·Loïc CharpyNabila Gaertner-Mazouni
Jul 20, 2012·Marine Pollution Bulletin·Serge AndréfouëtCédrik Lo

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Citations

Dec 18, 2013·Marine Pollution Bulletin·Laurent E Cartier, Kent E Carpenter
Jul 20, 2012·Marine Pollution Bulletin·Serge AndréfouëtCédrik Lo
Apr 20, 2021·Marine Pollution Bulletin·Martine RodierDavid Varillon

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