Morphometric variability in UK populations of the European lobster
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| Authors: | Debuse, VJ; Addison, JT; Reynolds, JD |
| Year: | 2001 |
| Journal: | Journal of the Marine Biological Association of the United Kingdom 81: 469-474 |
| Title: | Morphometric variability in UK populations of the European lobster |
| Abstract: | European lobsters (Homarus gammarus) were sampled from nine sites around the UK coast to determine whether populations Could be differentiated oil the basis of morphometric variability, and to relate this to depth and indices of population size at each site. Discriminant analysis indicated that exoskeleton damage was the only characteristic that could distinguished males between sites. In contrast, females were distinguished between sites on the basis of variation in exoskeleton damage, claw spines and rostrum teeth, which tended to be positively correlated to indices of population density. This study suggests that female morphology may respond more strongly than male morphology to local selection pressures, albeit ill a limited capacity. |
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