Relationship Between Imposex and Morphological Variation of the Shell in Nucella lapillus (Gastropoda: Thaididae)

The relationship between imposex and shell morphology of the common dogwhelk, Nucella lapillus, was examined in populations from North Wales. Degree of imposex, morphometry of the shell, habitat-exposure to wave action and substratum type were subjected to multivariate statistical analyses. Shell si...

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Veröffentlicht in:	Estuarine, coastal and shelf science coastal and shelf science, 2000-05, Vol.50 (5), p.599-606
Hauptverfasser:	Son, M.H., Hughes, R.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences British Isles, Wales energy allocation Fundamental and applied biological sciences. Psychology imposex Invertebrates Mollusca Morphology. Histology. Cytology Nucella lapillus Protozoa. Invertebrata shell morphology Thaididae tributyltin
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Beschreibung
Zusammenfassung:	The relationship between imposex and shell morphology of the common dogwhelk, Nucella lapillus, was examined in populations from North Wales. Degree of imposex, morphometry of the shell, habitat-exposure to wave action and substratum type were subjected to multivariate statistical analyses. Shell size increased significantly with increasing degree of imposex. This trend possibly is caused by a diversion of energy allocation from reproduction to shell growth when reproductive effort is blocked or disturbed by imposex.
ISSN:	0272-7714 1096-0015
DOI:	10.1006/ecss.2000.0592