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| Valdés, Valentina; Carlotti, François; Escribano, Ruben; Donoso, Katty; Pagano, Marc; Molina, Veronica; Fernandez, Camila. |
| Zooplankton play a key role in the regeneration of nitrogen and phosphorus in the ocean through grazing and metabolism. This study investigates the role of the organic and inorganic nitrogen and phosphorus compounds released by copepods on biogeochemical processes and on the microbial community composition during the OUTPACE cruise (18 February–3 April 2015) at three long duration stations (LD). Two LD stations were located in the Melanesian Archipelago region (MA; LD A and LD B) and one in the South Pacific Gyre (SG; LD C), which represent oligotrophic and ultraoligotrophic regions respectively. At each station, microcosm onboard experiments were performed with locally sampled organisms, comprising a mix of epipelagic copepods fed with their natural food... |
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| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00422/53391/54253.pdf |
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| Carlotti, François; Pagano, Marc; Guilloux, Loïc; Donoso, Katty; Valdés, Valentina; Grosso, Olivier; Hunt, Brian P. V.. |
| This paper presents results on the spatial and temporal distribution patterns of mesozooplankton in the western tropical South Pacific along the 20 °S south visited during austral summer (February–April 2015). By contributing to the interdisciplinary OUTPACE (Oligotrophy to UlTra-oligotrophy PACific Experiment) project (Moutin et al., 2017), the specific aims of this study dedicated to mesozooplankton observations were (1) to document the responses of zooplankton in terms of species diversity, density and biomass along the transect, and (2) to characterize the trophic pathways from primary production to large mesozooplanktonic organisms. Along a West-East transect of 4000 km from New Caledonia to the French Polynesia, 15 short-duration stations (SD-1 to... |
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| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00435/54683/56101.pdf |
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