Results 31 to 40 of about 8,233 (142)

A review of IATTC research on the early life history and reproductive biology of scombrids conducted at the Achotines Laboratory from 1985 to 2005 [PDF]

open access: yes, 2007
English: For nearly a century, fisheries scientists have studied marine fish stocks in an effort to understand how the abundances of fish populations are determined.
Hunt, Sharon L.   +5 more
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Dilación del desove de <i>Modiolus capax</i>(Bivalvia: Mytilidae)

open access: yesRevista de Biología Tropical, 2015
The capacity of Modiolus capax to delay spawning and to hold mature gametes for long periods, was analyzed in sexually mature organisms subjected to cold water and food rations higher than those for maintenance. The experimental group, 200 mussels collected in August from Babia de los Angeles, Baja California, Mexico, was subjected to 19±2°C ...
Olivia Tapia V ázquez   +2 more
openaire   +2 more sources

Reproducción artificial de la ostra del mangle Crassostrea rhizophorae Guilding, 1828 en el Caribe colombiano

open access: yesIntropica, 2010
Con el fin de validar y optimizar el protocolo usado para la inducción al desove y fertilización de la ostra del mangle Crassostrea rhizophorae en Colombia, se examinó el ciclo reproductivo de las poblaciones naturales de la Ciénaga de Mallorquín y se ...
Luz Adriana Velasco   +3 more
doaj  

A study of the age, growth, sexual maturity, and spawning of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama [PDF]

open access: yes, 1958
ENGLISH: Crew members of tuna clippers and Commission personnel are collecting specimens of anchovetas (Cetengraulis mysticetus) for studies of the biology of this important tuna-bait species.
Howard, Gerald V., Landa, Antonio
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Biología reproductiva del ostión de roca Striostrea prismatica en el sureste del Golfo de California

open access: yesEcosistemas y Recursos Agropecuarios, 2022
El ostión de roca Striostrea prismatica es un recurso natural de gran importancia comercial en el Pacífico mexicano, Nayarit ocupa el primer lugar en producción de ostiones en esta región.
Oscar Iram Zavala-Leal   +6 more
doaj   +1 more source

Observations on the life history and identity of intraspecific groups of the anchoveta, Cetengraulis mysticetus, in Montijo Bay and Chiriquí Province, Panama [PDF]

open access: yes, 1963
ENGLISH: Howard and Landa (1958) and Barrett and Howard (1961) have studied the life history of the anchoveta in most of the areas where this species occurs in important quantities. The Gulf of Panama was the only area of Panama included in these studies,
Bayliff, William H.
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Inducción al desove en hembras del pargo mancha, Lutjanus guttatus (Steindachner, 1869).

open access: yesUniciencia, 1998
Universidad Nacional, Costa ...
Valverde-Chavarría, Silvia   +1 more
openaire   +3 more sources

Cambios en las propiedades químicas y bioquímicas del músculo de coporo (Prochilodus mariae) asociados al ciclo reproductivo

open access: yesRevista Científica, 2010
El coporo (Prochilodus mariae) es una importante especie pesquera de agua dulce en Venezuela que se caracteriza porque durante su ciclo reproductivo realiza migraciones para desovar. El estudio fue conducido para investigar los cambios en la composición
Pedro Arveláiz, Rafael Bello
doaj  

Studies of the age, growth, sexual maturity and spawning of populations of anchoveta (Cetengraulis mysticetus) of the coast of the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 1961
ENGLISH: Three hundred and twenty-six collections of anchoveta (Cetengraulis mysticetus), an important tuna bait species, taken between April 1951 and April 1960 from seven major baiting areas in the Eastern Tropical Pacific Ocean (Almejas Bay, Guaymas ...
Barrett, Izadore, Howard, Gerald V.
core  

Report of the Inter-American Tropical Tuna Commission for the year 1955 [PDF]

open access: yes, 1956
ENGLISH: This is the fifth year of investigations, by the Inter-American Tropical Tuna Commission, of the fisheries for tunas and tuna-bait fishes in the Eastern Pacific Ocean adjacent to the shores of the Americas.

core  

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