Reproducción de Patella depressa Pennant, 1777 en la costa central portuguesa
The reproductive cycle and the sex ratio of the limpet Patella depressa Pennant, 1777 were studied on two rocky shores of the central coast of the Portugal, over a period of one year. The gonads were examined and their stage of development was assessed. The gonads of P. depressa were found to develo...
| Autores: | , , , , |
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| Tipo de documento: | artigo |
| Data de publicação: | 2003 |
| País: | España |
| Recursos: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositório: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/319987 |
| Acesso em linha: | http://hdl.handle.net/10261/319987 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Lapa Medio Marino Patella depressa reproducción Proporción de sexos puesta |
| Resumo: | The reproductive cycle and the sex ratio of the limpet Patella depressa Pennant, 1777 were studied on two rocky shores of the central coast of the Portugal, over a period of one year. The gonads were examined and their stage of development was assessed. The gonads of P. depressa were found to develop mainly from September/October to December, and between February and April. The spawning peaks occurred in January and between May and August. From June to August the gonads seem to go into a resting phase. In P. depressa the sex proportions seem to be approximately equal, suggesting the absence of sex reversal in these limpets. High wind speed under optimum conditions of air temperatures appears to induce spawning in this species. |
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