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Metazooplankton communities in the Ahe atoll lagoon (Tuamotu Archipelago, French Polynesia): Spatiotemporal variations and trophic relationships ArchiMer
Pagano, Marc; Sagarra, Pascual-boi; Champalbert, Gisele; Bouvy, Marc; Dupuy, Christine; Thomas, Yoann; Charpy, Loic.
Metazooplankton abundance, biomass (<80 mu m, 200-500 mu m and >500 mu m) 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...
Tipo: Text Palavras-chave: Metazooplankton; Spatio-temporal patterns; Trophic relationships; Pearl oyster; Atoll lagoon; French Polynesia.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00101/21207/19419.pdf
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Patterns of mineral lick visitation by lowland tapir (Tapirus terrestris) and lowland paca (Cuniculus paca) in a western amazonian rainforest in Ecuador Mastozool. neotrop.
Link,Andres; Di Fiore,Anthony; Galvis,Nelson; Fleming,Erin.
We studied the temporal patterns of mineral lick use by lowland tapir (Tapirus terrestris) and paca (Cuniculus paca) at the Tiputini Biodiversity Station, a lowland rain forest in Amazonian Ecuador. Using 24-hour camera and video traps set at two different mineral licks, we documented the frequency of mineral lick use and the influence of weather and lunar conditions on mineral lick visitations by the two species. Based on 888 nights of mineral lick monitoring, we found that both Tapirus terrestris and Cuniculus paca visit the licks frequently throughout the year. Mineral-lick visitation was not a seasonal behaviour, but rather was influenced heavily by short-term environmental correlates (e.g., dry weather). Although visits by tapir and paca occurred...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Geophagy; Mineral licks; Neotropical mammals; Spatio-temporal patterns.
Ano: 2012 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832012000100006
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