Long-term series in ichthyoplankton: sole and sprat at French coast of the North Sea from 1975 to 1994 |
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| Affiliation: | 1. Technical University of Denmark, National Institute of Aquatic Resources, Jægersborg Allé 1, 2920 Charlottenlund, Denmark;2. Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, 46022 Valencia, Spain;3. National Food Institute, Technical University of Denmark, Lyngby, Denmark |
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| Abstract: | The sampling of eggs and larvae of sole and sprat at Gravelines (French part of the North Sea coast) since 1975 has produced a long-term series showing major interannual changes. Comparison of the results obtained on two species, one benthic and the other one pelagic, suggests some events affecting the environment that are also revealed by the holoplanktonic (appendicularia, chaetognatha) and meroplanktonic (cirripeda larvae) compartment. This study attempts also to distinguish general variations from more closely species-related fluctuations. |
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