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An Analysis of a Stable Period in the Northumberland Benthic Fauna-1973–80

Published online by Cambridge University Press:  11 May 2009

John B. Buchanan ,
Robin Brachi ,
Graeme Christie  and
J. Jonathan Moore
John B. Buchanan
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear NE30 4PZ
Robin Brachi
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear NE30 4PZ
Graeme Christie
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear NE30 4PZ
J. Jonathan Moore
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear NE30 4PZ
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Extract

In the period 1973–80, the infauna at the standard 55 m station exhibited a high degree of persistence stability. The period was characterized by a stable biennial cycle in total numbers of individuals and substantial stability in species ranking. The biennial cycle was associated with density dependent mortality which appears as the principal controlling factor of the community. Evidence is discussed in support of the hypothesis that the density dependent mortality is due to interspecific and intraspecific competition, in a food limiting environment, between species with rather broad niche overlaps.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 66 , Issue 3 , August 1986 , pp. 659 - 670
Copyright
Copyright © Marine Biological Association of the United Kingdom 1986

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References

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