Planktonic time series collected since 1975 off Gravelines, France, were anlaysed in the context of climatic changes. Principal component analysis and the cumulative sums method were applied to 30 data sets which included meteorological and hydrological parameters and planktonic descriptors. Eight groups of biological descriptors were linked to external parameters. The study of winds highlighted the importance of cyclonic and anticyclonic influences. Seven year cycles appeared clearly in air temperature and in species abundance with different trophic levels for species such as Temora longicornis, Oikopleura dioica and Sagitta setosa, whereas an 11 yr cycle appeared for Pseudocalanus minutus. -from Authors
CITATION STYLE
Le Fevre-Lehoerff, G., Ibanez, F., Poniz, P., & Fromentin, J. M. (1995). Hydroclimatic relationships with planktonic time series from 1975 to 1992 in the North Sea off Gravelines, France. Marine Ecology Progress Series, 129(1–3), 269–281. https://doi.org/10.3354/meps129269
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