Some recommendations for an accurate estimation of Lanice conchilega density based on tube counts

The tube building polychaete Lanice conchilega is a common and ecologically important species in intertidal and shallow subtidal sands. It builds a characteristic tube with ragged fringes and can retract rapidly into its tube to depths of more than 20 cm. Therefore, it is very difficult to sample L....

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Bibliographic Details
Published in:Helgoland marine research 2006-12, Vol.60 (4), p.317-321
Main Authors: Van Hoey, Gert, Vincx, Magda, Degraer, Steven
Format: Article
Language:English
Subjects:
Lanice conchilega
Laniced conchilega
Marine
Marine biology
Marine ecology
Worms
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Summary:The tube building polychaete Lanice conchilega is a common and ecologically important species in intertidal and shallow subtidal sands. It builds a characteristic tube with ragged fringes and can retract rapidly into its tube to depths of more than 20 cm. Therefore, it is very difficult to sample L. conchilega individuals, especially with a Van Veen grab. Consequently, many studies have used tube counts as estimates of real densities. This study reports on some aspects to be considered when using tube counts as a density estimate of L. conchilega, based on intertidal and subtidal samples. Due to its accuracy and independence of sampling depth, the tube method is considered the prime method to estimate the density of L. conchilega. However, caution is needed when analyzing samples with fragile young individuals and samples from areas where temporary physical disturbance is likely to occur.[PUBLICATION ABSTRACT]
ISSN:1438-387X
1438-3888
DOI:10.1007/s10152-006-0041-8