Fertilidad y periodicidad del desove en Ostrea puelchana
Larvae production by Ostrea puelchana was studied in colections obtained from November to March 1977-78 and 1978-79. During the first period there seems to be a direct relation between the highest percentage of gravid female and the moon crescent quarter. This relation is not repeated in the following year. Compared with other larviparous oysters, O.puelchana produces a greather number of embryons of smaller size, with shorter breeding period and longer planktonic life.
Enregistré dans:
Auteurs principaux: | , |
---|---|
Format: | Journal Contribution biblioteca |
Langue: | Spanish / Castilian |
Publié: |
Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
1980
|
Sujets: | Spawning, Fecundity, Moon phases, |
Accès en ligne: | http://hdl.handle.net/1834/2063 |
Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
Résumé: | Larvae production by Ostrea puelchana was studied in colections obtained from November to March 1977-78 and 1978-79. During the first period there seems to be a direct relation between the highest percentage of gravid female and the moon crescent quarter. This relation is not repeated in the following year. Compared with other larviparous oysters, O.puelchana produces a greather number of embryons of smaller size, with shorter breeding period and longer planktonic life. |
---|