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Continuous plankton records: zooplankton and environment, North East Atlantic and North Sea, 1948-1975
Colebrook, J.M. (1978). Continuous plankton records: zooplankton and environment, North East Atlantic and North Sea, 1948-1975. Oceanol. Acta 1(1): 9-23
In: Oceanologica Acta. Elsevier/Gauthier-Villars: Montreuil. ISSN 0399-1784, more
Peer reviewed article  

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Keywords
    Environmental effects; Zooplankton; Atlantic North East [Marine Regions]; Marine

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  • Colebrook, J.M.

Abstract
    Principal components analyses are used to describe the major year-to-year changes in the abundance of the zooplankton of the North-East Atlantic and the North Sea for the period 1948 to 1975. There is a marked degree of coherence both between species and between different parts of the area. The changes show persistence from year-to-year in the form of long term trends. The main pattern of differentiation between the species is related to their geographical distributions. Interpretations of the year-to-year changes are presented, based on empirical associations with climatic factors, which suggest that changes in the North Atlantic current, and more localised wind-driven advection play a major role in determining the year-to-year changes. It would appear the variations in abundance are influenced primarily by density-independent factors.

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