Continuous Plankton Records - Persistence In Time-Series And The Population-Dynamics Of Pseudocalanus-Elongatus And Acartia-Clausi

Colebrook, JM. 1982 Continuous Plankton Records - Persistence In Time-Series And The Population-Dynamics Of Pseudocalanus-Elongatus And Acartia-Clausi. Marine Biology, 66 (3). 289 - 294. 10.1007/BF00397034

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Official URL: http://dx.doi.org/10.1007/BF00397034

Abstract/Summary

Rates of population increase in early spring and the sizes of overwintering stocks were calculated for the planktonic copepods Pseudocalanus elongatus and Acartia clausi for a set of areas covering the open waters of the north-east Atlantic Ocean and the North Sea for the period 1948 to 1979. For both species, the rates of population increase were higher in the open ocean than in the North Sea and appear to be related to temperature. The overwintering stocks in the North Sea were larger than those in the open ocean and are probably related to phytoplanton concentration. P. elongatus shows higher overwintering stocks and lower rates of population increase than A. clausi, resulting in different levels of persistence in the stocks of the two species. It is suggested that this difference in persistence is responsible for differences between the two species with respect to geographical distribution in summer and different patterns of year-to-year fluctuations in abundance.

Item Type: Publication - Article
Divisions: Plymouth Marine Laboratory > Other (PML)
Depositing User: EPServices Admin
Date made live: 11 Feb 2014 15:54
Last Modified: 06 Jun 2017 16:03
URI: http://plymsea.ac.uk/id/eprint/2719

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