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Skeletons in the cupboard? Quantifying bird predation on Atlantic salmon: atlas vertebra:fish length equations revisited

Published online by Cambridge University Press:  01 June 1999

D. N. Carss  and
M. Marquiss
D. N. Carss
Affiliation:
Institute of Terrestrial Ecology, Hill of Brathens, Glassel, Banchory, Kincardineshire AB31 4BY, Scotland
M. Marquiss
Affiliation:
Institute of Terrestrial Ecology, Hill of Brathens, Glassel, Banchory, Kincardineshire AB31 4BY, Scotland
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Abstract

Throughout Europe there is considerable concern about the potential impact of sawbill ducks Mergus spp. and great cormorant Phalacrocorax carbo on catches of commercial fish (reviews by Marquiss & Carss, 1994; Russell et al., 1996). A prerequisite to estimating impact is to quantify the consumption of commercially important fish by birds. This requires site-specific data on (1) bird numbers, (2) their daily food intake and (3) diet. Considerable effort has been directed at quantifying (2) and (3) and exploring the biases associated with different methods (see Carss et al., 1997 for review).

Type
Short Communication
Information
Journal of Zoology , Volume 248 , Issue 2 , June 1999 , pp. 272 - 276
Copyright
© 1999 The Zoological Society of London

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