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The nematode/copepod ratio and its use in pollution ecology
Warwick, R.M. (1981). The nematode/copepod ratio and its use in pollution ecology. Mar. Pollut. Bull. 12(10): 329-333. hdl.handle.net/10.1016/0025-326X(81)90105-3
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

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  • Archived ILVO collection: A.ILVO.1 [19356]
  • VLIZ: Non-open access 271452 [ request ]

Keyword
    Marine

Author  Top 
  • Warwick, R.M., more

Abstract
    The nematode/copepod ratio is critically examined with a view to adding some precision to its proposed use in pollution ecology. At two unpolluted intertidal sites, differing markedly in sediment grade, the metabolic requirements of copepods are shown to be equivalent to the requirements of that fraction of the nematode population which feeds in the same way. The partitioning of this total energy requirement among individuals depends on the distribution of individual metabolic body sizes and the relative rates of metabolism. The distribution of body sizes is constrained by the sediment granulometry, which affects nematodes and copepods differently. These considerations enable precise predictions of the nematode/copepod ratios expected in unpolluted situations, against which observed ratios can be compared.

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