Results 21 to 30 of about 548 (111)

Puntos de referencias biológicos para la ordenación pesquera de Ageneiosus pardalis (Auchenipteridae) en el embalse Urrá

Acta Biológica Colombiana, 2018
Se estimaron puntos de referencias biológicos de la doncella Ageneiosus pardalis en el embalse Urrá y ríos aportantes como mortalidad por pesca máxima (Fmax), mortalidad por pesca a 10 % (F0,1), mortalidad por pesca actual (F2015), mortalidad por pesca a
Fredy Salas Guzmán, Mauricio Valderrama Barco, Carlos Barreto Reyes, Victor Atencio García   +3 more
doaj   +1 more source

Observer coverage and interaction rates determine the choice between design‐based and machine learning bycatch estimators for rare species

Conservation Biology, EarlyView.
Abstract Robust estimates of the magnitude of protected species bycatch are essential for effective fisheries management and marine conservation. Existing bycatch estimation methods typically struggle to accurately and precisely estimate the bycatch of rare species as a result of the statistical assumptions necessary to overcome infrequent encounters ...
Christopher Long, Robert Ahrens, T. Todd Jones, Zachary Siders   +3 more
wiley   +1 more source

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

Revista 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, Leonardo Espinosa, Elena de la Guardia, Dorka Cobián-Rojas, Jesús Ernesto Arias-Gonzalez   +4 more
doaj  

Tudor England and Stewart Scotland Through Spanish Eyes: A Complete Transcription and Translation of Pedro de Ayala's Letter of 1498 to King Ferdinand of Castile and Queen Isabella of Aragon

Renaissance Studies, Volume 40, Issue 4, Page 635-689, September 2026.
Abstract Pedro de Ayala served as a diplomat for King Ferdinand II of Aragon and Queen Isabella I of Castile at the courts of Henry VII, King of England, and James IV, King of Scots. In July 1498, he wrote a letter, partly in cipher, to report to his king and queen on such matters as Spain's interests in international diplomacy; the characters and ...
Adrian William Jaime, Valeria Tapia Cruz, Mairi Cowan   +2 more
wiley   +1 more source

Abundancia y talla de esponjas comerciales (Spongiidae) en el Golfo de Batabanó, Cuba

Revista de Investigaciones Marinas, 2020
Las fluctuaciones de las capturas de esponja en Cuba evidencian disminuciones que obligan a mantener un enfoque precautorio y velar por el estricto cumplimiento de las medidas regulatorias.
Alexander Lopeztegui-Castillo, Abel Betanzos-Vega, Mario Formoso-García   +2 more
doaj  

Movements of three large coastal predatory fishes in the northeast Atlantic: a preliminary telemetry study

Scientia Marina, 2011
Labrus bergylta, Dicentrarchus labrax and Conger conger are common predators of northeast Atlantic coastal ecosystems and are studied here for the first time with ultrasonic telemetry in their natural environment.
Pablo Pita, Juan Freire
doaj   +1 more source

Variación anual de los parámetros hidrográficos en la confluencia del río Jamapa y arroyo Moreno (México)

Intropica, 2020
Datos semanales de la temperatura superficial de río, salinidad, oxígeno disuelto, nitrógeno total y Clorofila-a fueron usados para conocer las variaciones temporales de las condiciones ambientales del río Jamapa (Boca del Río, Veracruz, México), así ...
David Salas Monreal, Alejandro Díaz-Hernández, José Antolín Áke-Castillo, Alejandro Granados - Barba, Mayra Lorena Riverón-Enzástiga   +4 more
doaj   +1 more source

Overlap of nonbreeding wandering albatrosses with fisheries and implications for colony‐specific population trajectories at South Georgia

Conservation Biology, Volume 40, Issue 4, August 2026.
Abstract Bycatch in fisheries is one of the most serious threats to pelagic seabirds, causing major population declines. Mitigation measures can reduce bycatch substantially, but many fisheries fail to apply best practices, and seabird mortality remains high.
V. Warwick‐Evans, E. J. Pearmain, R. A. Phillips   +2 more
wiley   +1 more source

Evaluación del crecimiento del pejerrey Odontesthes bonariensis y su relacióncon la talla mínima de captura utilizada en las pesquerías

Revista Peruana de Biología
El pejerrey Odontesthes bonariensis (Actinopterygii; Atherinopsidae) es un recurso pesquero relevante en varios países sudamericanos. En Argentina, su pesca permite la obtención de un importante volumen de proteína en numerosos ambientes acuáticos.
Miguel Mancini, Omar Del Ponti, Pablo Sanzano, Claudia Ledesma, Víctor Salinas, Fabián Grosman   +5 more
doaj   +1 more source

Vulnerability to Global Environmental Change? Isotopic Inference of a Resident Population of Common Bottlenose Dolphins, Tursiops truncatus, in a Coastal Lagoon in the Southern Gulf of Mexico

Marine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT Through the isotopic composition of 211 samples of six different tissues (muscle, liver, heart, kidney, spleen, and lung) obtained from 51 Tursiops truncatus strandings over nearly a decade (2013–2022), this study evaluated the impact of environmental variations on a resident population in a coastal lagoon in the southern Gulf of Mexico ...
Karem Leonela Naranjo‐Ruiz, Yassir Edén Torres‐Rojas, Alberto Delgado‐Estrella, Antonio Luis Delgado‐Huertas   +3 more
wiley   +1 more source