Recent changes in ichthyoplanktonic assemblages of the eastern English Channel
| Autor: | Paul Marchal, J. Di Pane, Valérie Lefebvre, Carolina Giraldo, Philippe Koubbi, Josselin Caboche, Christophe Loots |
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| Přispěvatelé: | Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU), Sorbonne Université (SU), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
0106 biological sciences
Aquatic Science Biology Oceanography Fish larvae 010603 evolutionary biology 01 natural sciences Temporal variations Outlying Mean Index Abundance (ecology) Atlantic multidecadal oscillation 14. Life underwater Ecology Evolution Behavior and Systematics geography Larva English Channel geography.geographical_feature_category Ecology 010604 marine biology & hydrobiology Atlantic Multidecadal Oscillation Variance partitioning Taxon [SDE]Environmental Sciences Fish sense organs Channel (geography) |
| Zdroj: | Journal of Sea Research (JSR) Journal of Sea Research (JSR), Elsevier, 2020, 157, pp.101848-. ⟨10.1016/j.seares.2020.101848⟩ Journal Of Sea Research (1385-1101) (Elsevier BV), 2020-02, Vol. 157, P. 101848 (9p.) Journal of Sea Research (JSR), 2020, 157, pp.101848-. ⟨10.1016/j.seares.2020.101848⟩ |
| ISSN: | 1385-1101 1873-1414 |
| DOI: | 10.1016/j.seares.2020.101848⟩ |
| Popis: | Fish assemblages vary through time in both abundance and diversity, often due to changes in climate. The potential consequences of these changes on the larval phase need to be considered. In the Eastern English Channel, fish larvae of 30 taxa, from surveys conducted during spring in the nineties and in 2017 with bongo nets, were used to investigate seasonal and interannual changes in larval assemblages with different statistical tests and multivariate analyses (Outlying Mean Index, Principal Coordinate Analysis and variance partitioning). The major change observed was significant lower abundances in 2017 (in April and May) compared to the nineties. Most of the dominant taxa were two to three-fold less abundant in 2017 than the 1990s. We suggest that the reduced larval abundances in 2017 could be a consequence of lower adult abundances in the area from a switch from a colder to a warmer phase of the Atlantic Multidecadal Oscillation. |
| Databáze: | OpenAIRE |
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