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| Mitra, Aditee; Castellani, Claudia; Gentleman, Wendy C.; Jonasdottir, Sigrun H.; Flynn, Kevin J.; Bode, Antonio; Halsband, Claudia; Kuhn, Penelope; Licandro, Priscilla; Agersted, Mette D.; Calbet, Albert; Lindeque, Penelope K.; Koppelmann, Rolf; Moller, Eva F.; Gislason, Astthor; Nielsen, Torkel Gissel; John, Michael St.. |
| Exploring climate and anthropogenic impacts on marine ecosystems requires an understanding of how trophic components interact. However, integrative end-to-end ecosystem studies (experimental and/or modelling) are rare. Experimental investigations often concentrate on a particular group or individual species within a trophic level, while tropho-dynamic field studies typically employ either a bottom-up approach concentrating on the phytoplankton community or a top-down approach concentrating on the fish community. Likewise the emphasis within modelling studies is usually placed upon phytoplankton-dominated biogeochemistry or on aspects of fisheries regulation. In consequence the roles of zooplankton communities (protists and metazoans) linking phytoplankton... |
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| Ano: 2014 |
URL: https://archimer.ifremer.fr/doc/00213/32448/30913.pdf |
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| Flynn, Kevin J.; Clark, Darren R.; Mitra, Aditee; Fabian, Heiner; Hansen, Per J.; Glibert, Patricia M.; Wheeler, Glen L.; Stoecker, Diane K.; Blackford, Jerry C.; Brownlee, Colin. |
| Human activity causes ocean acidification (OA) though the dissolution of anthropogenically generated CO2 into seawater, and eutrophication through the addition of inorganic nutrients. Eutrophication increases the phytoplankton biomass that can be supported during a bloom, and the resultant uptake of dissolved inorganic carbon during photosynthesis increases water-column pH (bloom-induced basification). This increased pH can adversely affect plankton growth. With OA, basification commences at a lower pH. Using experimental analyses of the growth of three contrasting phytoplankton under different pH scenarios, coupled with mathematical models describing growth and death as functions of pH and nutrient status, we show how different conditions of pH modify the... |
| Tipo: Text |
Palavras-chave: Ocean acidification; Eutrophication; Primary production; Plankton succession; Food security. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00286/39723/38196.pdf |
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