Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico

Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico

Histological analyses were conducted on 376 organisms of Pteria sterna obtained from an experimental raft located in the Bay of los Angeles, Baja California, Mexico. From August 1987 to August 1988, seven bimonthly samplings were made that covered animals from two to fourteen months of age. We propo...

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Auteurs principaux: Díaz, AH, Bückle-Ramirez, LF
Format: Online
Langue:eng
Publié: Iniversidad Autónoma de Baja California 1996
Accès en ligne:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/868
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spelling oai:cienciasmarinas.com.mx:article-8682019-05-31T23:32:51Z Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico Ciclo gonádico de Peteria sterna (Gould, 1851) (Mollusca, Bilvalvia) en Baja California, México Díaz, AH Bückle-Ramirez, LF sexual maturity histology Pteria sterna Baja California Mexico madurez sexual histología Pteria sterna Baja California México Histological analyses were conducted on 376 organisms of Pteria sterna obtained from an experimental raft located in the Bay of los Angeles, Baja California, Mexico. From August 1987 to August 1988, seven bimonthly samplings were made that covered animals from two to fourteen months of age. We propose a gonadal cycle with seven maturity phases and a histological scale of sexual maturity with nine conspicuous stages. The age of first maturity occurred in the females in October and in the males in December. Based on the observations, it is concluded that the population of P. sterna, settled on the experimental raft in August 1987, spawned continuously, with peaks in December, February and August. Se analizaron histológicamente 376 organismos de Pteria sterna obtenidos de una balsa experimental localizada en la Bahía de los Ángeles, Baja California, México. Se realizaron siete muestreos bimensuales desde agosto de 1987 hasta agosto de 1988, que cubrieron organismos de dos a catorce meses de edad. Se propone un ciclo gonádico con siete etapas de madurez y una escala histológica de madurez sexual con nueve estadios conspicuos. La edad de la primera madurez ocurrió en las hembras en octubre y posteriormente en los machos en diciembre. Con base en las observaciones, se concluye que la población de P. sterna, fijada a la balsa experimental en agosto de 1987, desovó continuamente, con picas en diciembre, febrero y agosto. Iniversidad Autónoma de Baja California 1996-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/868 10.7773/cm.v22i4.868 Ciencias Marinas; Vol. 22 No. 4 (1996); 495-509 Ciencias Marinas; Vol. 22 Núm. 4 (1996); 495-509 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/868/790
institution Ciencias Marinas
collection OJS
language eng
format Online
author Díaz, AH
Bückle-Ramirez, LF
spellingShingle Díaz, AH
Bückle-Ramirez, LF
Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
author_facet Díaz, AH
Bückle-Ramirez, LF
author_sort Díaz, AH
title Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
title_short Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
title_full Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
title_fullStr Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
title_full_unstemmed Gonadal cycle of Pteria sterna (>Gould, 1851) (Mollusca, Bivalvia) in Baja California, Mexico
title_sort gonadal cycle of pteria sterna (>gould, 1851) (mollusca, bivalvia) in baja california, mexico
description Histological analyses were conducted on 376 organisms of Pteria sterna obtained from an experimental raft located in the Bay of los Angeles, Baja California, Mexico. From August 1987 to August 1988, seven bimonthly samplings were made that covered animals from two to fourteen months of age. We propose a gonadal cycle with seven maturity phases and a histological scale of sexual maturity with nine conspicuous stages. The age of first maturity occurred in the females in October and in the males in December. Based on the observations, it is concluded that the population of P. sterna, settled on the experimental raft in August 1987, spawned continuously, with peaks in December, February and August.
publisher Iniversidad Autónoma de Baja California
publishDate 1996
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/868
_version_ 1715724021770747904

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