Results 21 to 30 of about 8,164 (140)

Estimulación a la maduración final y el desove de Ancistrus triradiatus

open access: yesOrinoquia, 2009
Titulo en ingles:  Stimulating Ancistrus triradiatus final maturation and spawningRESUMEN:  Con el propósito de evaluar la respuesta reproductiva de hembras y machos madurados en confinamiento con estímulos de cambio brusco de la conductividad eléctrica del agua, se realizaron experimentos consistentes en los siguiente tratamientos: tratamiento 0 (T0 ...
Collazos-Lasso, Luis F.   +1 more
openaire   +3 more sources

Optimización del cultivo larvario para la producción de juveniles del pargo manchado Lutjanus guttatus en Costa Rica

open access: yesUniciencia, 2021
La base tecnológica para la acuicultura del Lutjanus guttatus fue desarrollada en Costa Rica desde el 2002 por el Parque Marino del Pacífico. Las primeras producciones en masa de juveniles se obtuvieron en el 2005, las granjas comerciales a pequeña ...
Jonathan Chacón-Guzmán   +2 more
doaj   +1 more source

Influencia de los factores ambientales en el desove de los esciénidos en la zona costera de Buenos Aires, Argentina [PDF]

open access: yes, 2013
La ictiofauna de las aguas costeras de la provincia de Buenos Aires está dominada por siete especies de esciénidos: Micropogonias furnieri, Cynoscion guatucupa, Macrodon ancylodon, Pogonias cromis, Umbrina canosai, Paralonchurus brasiliensis y ...
Cortés, Federico   +3 more
core   +1 more source

Desove espontáneo, ontogenia y crecimiento en cautiverio de Cynoscion squamipinnis (Perciformes: Sciaenidae)

open access: yesRevista de Biología Tropical, 2016
The croakers or drums are commercial species, which have been overfished in the Nicoya Gulf, Costa Rica. This study aimed to describe, for the first time, the reproduction and the ontogeny of weakfish, Cynoscion squamipinnis in captivity, in order to perform restocking and mariculture proyects.
Boza Abarca, Jorge   +4 more
openaire   +5 more sources

Reciprocal contributions: Indigenous perspectives and voices on marine‐coastal experiences in the channels of northern Patagonia, Chile

open access: yesPeople and Nature, Volume 7, Issue 5, Page 1086-1098, May 2025.
Abstract The recovery of marine ecosystems in areas heavily impacted by fishing and environmental exploitation depends, to some extent, on the sustainable management of resources and should be complemented by cultural traditions, practices and scientific knowledge.
Ricardo Alvarez   +9 more
wiley   +1 more source

A review of the population structure of yellowfin tuna, Thunnus albacares, in the Eastern Pacific Ocean [PDF]

open access: yes, 1964
ENGLISH: Since its inception in 1950 by agreement between the Republic of Costa Rica and the United States of America, the Inter-American Tropical Tuna Commission has been engaged in studies of the biology, ecology and population dynamics of yellowfin ...
Alverson, Franklin G.   +3 more
core  

The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]

open access: yes, 1970
ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L.   +2 more
core  

Sitios de agregación reproductiva de pargos (Lutjanidae) en el Parque Nacional Cayos de San Felipe, Cuba

open access: yesRevista de Investigaciones Marinas, 2022
Las pesquerías basadas en las agregaciones reproductivas pueden amenazar a especies como los pargos que tienen conductas gregarias durante el período reproductivo.
Zaimiuri Hernández-González   +4 more
doaj  

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