Hydroclimatic relationships with planktonic time series from 1975 to 1992 in the North Sea off Gravelines, France

Type Article
Date 1995-12
Language English
Author(s) Le Fevre-Lehoerff Geneviève1, Ibanez Frédéric2, Poniz Paola2, Fromentin Jean-Marc2
Affiliation(s) 1 : IFREMER, CTR BREST, BP 70, F-29280 PLOUZANE, FRANCE.
2 : OBSERV OCEANOL, STN ZOOL, F-06230 VILLEFRANCHE SUR MER, FRANCE.
Source Marine Ecology Progress Series (0171-8630) (Inter-research), 1995-12 , Vol. 129 , N. 1-3 , P. 269-281
DOI 10.3354/meps129269
WOS© Times Cited 16
Keyword(s) time series, zooplankton, meteorology, hydrology, southern North Sea
Abstract Planktonic time series collected since 1975 off Gravelines, France, were analysed in the context of climatic changes. Principal component analysis and the cumulative sums method wereapplied 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 Ternora longicornis, Oikopleura dioica and Sagitta setosa, whereas an 11 yr cycle appeared for Pseudocalanus minutus. A 3 to 4 yr cycle was detected for atmospheric pressure, precipitation and some species. This cycle may or may not be superimposed on another (for example, on an 11 yr cycle).
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Le Fevre-Lehoerff Geneviève, Ibanez Frédéric, Poniz Paola, Fromentin Jean-Marc (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. Publisher's official version : https://doi.org/10.3354/meps129269 , Open Access version : https://archimer.ifremer.fr/doc/00033/14455/