Embryonic shell shape as an early indicator of pollution in marine gastropods.
Mar Environ Res
; 167: 105283, 2021 May.
Article
em En
| MEDLINE
| ID: mdl-33639393
Gastropods shell shape has been proposed as a good indicator of environmental changes while geometric morphometric (GM) is a powerful tool to detect such changes. Shell shape pattern in adults of the marine gastropod Buccinanops deformis was proved to be correlated with imposex incidence and maritime traffic in populations of Patagonia. We explore through GM the shell shape variation of B. deformis intracapsular embryos in pre-hatching stages of development, in two populations with contrasting maritime traffic and imposex incidence. Embryonic shell shape from polluted and unpolluted areas was significantly different in apex, lateral, aperture and siphonal channel. The same shell shape pattern was observed previously in B. deformis adult specimens. Our results demonstrate that the embryonic shell shape is an early biomarker that could be used as a tool to detect the response to environmental pollution studying abundant egg capsules laid in the field but protecting reproductive adults.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Compostos de Trialquitina
/
Poluentes Químicos da Água
/
Gastrópodes
Limite:
Animals
Idioma:
En
Revista:
Mar Environ Res
Assunto da revista:
BIOLOGIA
/
SAUDE AMBIENTAL
/
TOXICOLOGIA
Ano de publicação:
2021
Tipo de documento:
Article
País de afiliação:
Argentina
País de publicação:
Reino Unido