Shell size variation in Littorina littorea in the western Scheldt estuary

De Wolf, H.; Blust, R.; Backeljau, T.

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Shell size variation in Littorina littorea in the western Scheldt estuary

De Wolf, H.; Blust, R.; Backeljau, T. (2001). Shell size variation in Littorina littorea in the western Scheldt estuary. J. Shellfish Res. 20(1): 427-430. hdl.handle.net/10067/386330151162165141

In: Journal of Shellfish Research. National Shellfisheries Association: Duxbury. ISSN 0730-8000; e-ISSN 1943-6319

Available in	Authors
VLIZ: Open access 140941 [ download pdf ]

Keywords

ANE, Netherlands, Westerschelde
Grading
Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries
Littorina littorea (Linnaeus, 1758) [WoRMS]; Littorina littorea (Linnaeus, 1758) [WoRMS]
Westerschelde [Marine Regions]
Marine/Coastal

Author keywords

environmental stress; estuary; Littorina littorea; salinity; Scheldt river; shell size

Authors		Top
De Wolf, H. Blust, R. Backeljau, T.

Abstract

Littorina littorea was collected along a salinity gradient in the Scheldt estuary, located in the South of the Netherlands. Its morphological population structure was investigated to see whether salinity was correlated with shell size and shell weight. Shell size did not increase along the salinity gradient, as was expected, but rather showed a clear size transition between two salinity ranges (i.e., 10-20 ‰, and 21-30 ‰). Animals attain their largest size within a salinity range of 21-30 ‰. Relative shell weight did not vary consistently with salinity.

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