Results 51 to 60 of about 19,560 (188)

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

open access: yes, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
core  

Valoración socioeconómica del impacto de la variabilidad climática sobre la pesca artesanal en Costa Rica

open access: yesUniciencia, 2018
La mayor cantidad de pesca en Costa Rica la realiza la flota artesanal con el 81,41% del total en el periodo 1990-2009. Muchas son las presiones que esta flota debe afrontar para desarrollar su actividad.
Mary-Luz Moreno-Díaz, Eric J. Alfaro
doaj   +1 more source

Camarones, camaroneros y escasez hídrica: desafíos para la sostenibilidad pesquera de Cryphiops caementarius en la cuenca semiárida del río Choapa, Chile

open access: yesMarine and Fishery Sciences, 2022
Cryphiops caementarius es un camarón anfídromo nativo de relevancia ecológica y pesquera en cuencas hidrográficas del norte de Chile. Esta especie representa un componente importante de la identidad cultural de las comunidades de camaroneros que ...
Carlos Velásquez Gallardo   +4 more
doaj   +1 more source

Importance and spatial patterns of invisible fisheries in Amazonian clear‐water rivers as revealed by fisher knowledge and collaboration

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
The graphical abstract highlights the research collaboration with fishers through interviews to record fishers' knowledge and participatory monitoring, to provide data on small‐scale fisheries in three clear water rivers (Trombetas, Tapajos and Tocantins).
Renato A. M. Silvano   +10 more
wiley   +1 more source

A study of changes in fishing effort, abundance, and yield for yellowfin and skipjack tuna in the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 1956
ENGLISH: The rapid growth of the Eastern Pacific fishery for yellowfin and skipjack tuna since the end of World War II has given rise to questions concerning the rational utilization of these resources.
Schaefer, Milner B., Shimada, Bell M.
core  

Fine Characterization of the Contact Zones of Mazzaella laminarioides in the Southeastern Pacific Using Mitochondrial and Nuclear Markers

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
This study investigates the genetic structure of Mazzaella laminarioides, an ecologically and economically important species from the rocky coast of Chile. Using more accurate sampling and a set of microsatellite, nuclear, and mitochondrial markers, we were able to identify with high resolution the contact zones between the previously described ...
Suany Quesada   +4 more
wiley   +1 more source

General review of the Japanese tuna long-line fishery in the Eastern Tropical Pacific Ocean 1956-1962 [PDF]

open access: yes, 1965
ENGLISH: This paper constitutes a study of the fishery by Japanese long-line vessels in the area to the eastward of longitude 130°W, which was initiated at the western margin of this region in late 1956 and early 1957, and which has expanded fairly ...
Schaefer, Milner B., Suda, Akira
core  

LA PESQUERÍA DE LAS JAIBAS DEL GÉNERO CALLINECTES (DECAPODA: PORTUNIDAE) EN EL SUROESTE DEL GOLFO DE MÉXICO

open access: yesEcosistemas y Recursos Agropecuarios, 2014
Para obtener el articulo completo pueden contactar al editor de la revista Ecosistemas y Recursos Agropecuarios en el siguiente correo era@ujat.mx y se les enviará sin ningún costo.
José Luis Ramos Palma
doaj   +1 more source

Insights on the roles of women in effective and procedurally just environmental governance from coastal fisheries management in Fiji

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Women are widely viewed as the backbone of their villages, yet their participation in fisheries management is limited by restrictive gender roles. Men and women alike agree that women have valuable knowledge to contribute, and that men can serve as powerful allies.
Caroline E. Ferguson Irlanda   +9 more
wiley   +1 more source

Monitoreo de la pesquería del bacalao de profundidad (Dissostichus eleginoides): observadores científicos y sus desafíos

open access: yes, 2016
The IFOP (Instituto Fomento Pesquero) performed an important role in the development of the fishery of the Patagonian Toothfish (Dissostichus eleginoides Smitt, 1898) at the south of parallel 47°S, executing the research from the early 90 ́s that allowed
R. Céspedes, Cristian Vargas, L. Adasme
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy