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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... |
Tipo: Text |
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Ano: 2014 |
URL: https://archimer.ifremer.fr/doc/00213/32448/30913.pdf |
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Bode, Antonio; Alvarez-ossorio, Maria Teresa; Miranda, Ana; López-urrutia, Angel; Valdés, Luis. |
Four time-series of copepod species biomass in the north of Spain were contrasted to demonstrate spatial autocorrelation of local communities and their responses to short-term local and regional variability in oceanographic conditions. The series represented coastal and oceanic environments along a marked gradient of influence of seasonal upwelling from Galicia to the Mar Cantábrico (S Bay of Biscay), and each one included at least 10 years of continuous data collected at monthly frequency. Community composition (i.e. species number and diversity) was very consistent through the region, but local variations in the presence of new species and the relative proportions of common species allowed for the characterisation of the response to the environment at... |
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Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00052/16359/13864.pdf |
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