Luz calia Miramontes Sequeiros » Публикация
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Опубликовано
2009-12-16
Опубликовано на SciPeople2009-12-16 12:45:57
ЖурналAQUATIC BIOLOGY
Anatomical differences among Atlantic and Mediterranean populations of Trisopterus luscus (Pisces)
Аннотация
The aim of this study was to see if a simple, low-cost anatomical method could be used
to identify genetic differences among different populations of pouting Trisopterus luscus. We based
our study on 8 anatomical units of the pouting skeleton in 170 specimens from 4 populations
(3 Atlantic, 1 Mediterranean). Significant variations in the relative size of the respiratory anatomical
structures and other cranial regions were present. These differences are thought to be a consequence
of the different environmental conditions to which the fish are exposed. This is most noticeable
along the Mediterranean coasts of the Alborán Sea, where pouting show a significant increase
in the size of skeletal structures involved in respiration, whereas the Atlantic populations showed no
interpopulation variation, suggesting the existence of a genetic barrier between the Mediterranean
and Atlantic populations. Further research is needed to identify possible environmental factors
involved.
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