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Article: Size-selective transport of shells by birds and its palaeoecological implications

Publication: Palaeontology
Volume: 32
Part: 2
Publication Date: July 1989
Page(s): 429 437
Author(s): Gerhard C. Cadée
Addition Information

How to Cite

CADÉE, G. C. 1989. Size-selective transport of shells by birds and its palaeoecological implications. Palaeontology32, 2, 429–437.

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The Palaeontological Association (Free Access)


Size-selective transport of shells is demonstrated in the Dutch Wadden Sea for the Herring Gull (Larus argentatus) and the Oystercatcher (Haematopus ostralegus): only larger shells were transported. Size-selective transport of shells by predators is one of the taphonomic processes altering the size-frequency distribution of shells in the death assemblage: it results in mortality not recorded in the death assemblage forming where the animal lives. Such transport will occur particularly in intertidal areas. It hampers the use of size-frequency distribution for studies of population dynamics in fossil assemblages.
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