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Artificial substrates as a means of monitoring rocky shore cryptofauna

Published online by Cambridge University Press:  11 May 2009

A. A. Myers  and
T. Southgate
A. A. Myers
Affiliation:
Department of Zoology, University College, Cork
T. Southgate
Affiliation:
Department of Zoology, University College, Cork
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Extract

Two types of artificial substrate (nylon pan-scourers) have been shown to be highly efficient collectors of cryptofauna on rocky shores. The communities which develop in them are closely similar to those which develop in naturally occurring red algal turfs in Bantry Bay. The physical structure of the red algae appears to be the prime factor in determining the development of populations of most of the cryptofaunal species studied. In monitoring protocols artificial substrates of the types described here can be substituted for naturally occurring red algae in studies on shore cryptofauna obviating the necessity for destructive sampling of algae and facilitating statistical analysis by providing a standard ‘unit’ of substrate for comparative purposes. Furthermore, recruitment intensity of two species of gastropod has been shown to be similar in the artificial substrates to that in natural turfs

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 60 , Issue 4 , November 1980 , pp. 963 - 975
Copyright
Copyright © Marine Biological Association of the United Kingdom 1980

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