Results 41 to 50 of about 5,552 (152)

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

open access: yesScientia 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)

open access: yesIntropica, 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   +4 more
doaj   +1 more source

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 Aragon and Queen Isabella of Castile

open access: yesRenaissance 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   +2 more
wiley   +1 more source

Evaluación del estado de conservación del pepino de mar Isostichopus badionotus (Aspidochirotida: Stichopodidae) en la Isla de la Juventud, Cuba

open access: yesCiencia, Tecnología y Salud
La pesca de pepino de mar Isostichopus badionotus (Selenka, 1867) en la región de la Isla de la Juventud, Cuba comenzó en 2004. Actualmente esta zona de pesca, es de las pocas que se mantienen activas, por lo cual, actualizar el estado del recurso y ...
Aracely Hernández Betancourt   +2 more
doaj   +1 more source

Variaciones fisicoquímicas del agua de una gran presa hidroeléctrica mexicana, región centro semiárida

open access: yesTecnología y ciencias del agua
La central hidroeléctrica Zimapán, construida en 1995, fue el primer proyecto en aprovechar las aguas residuales de la Ciudad de México para generar energía eléctrica.
Omar Rivera-Cervantes   +3 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

open access: yesMarine 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   +3 more
wiley   +1 more source

Nutrient and light availability control food webs and fish larvae in the Peruvian upwelling system

open access: yesLimnology and Oceanography, Volume 71, Issue 3, March 2026.
Abstract Upwelling ecosystems sustain some of the world's most productive fisheries by supplying deep‐water nutrients to the sunlit ocean surface. Yet, how spatiotemporal variability in nutrient‐upwelling and light availability regulates trophic transfer to fish remains poorly understood. We investigated these dynamics in a 36‐d mesocosm experiment off
Silvan Urs Goldenberg   +9 more
wiley   +1 more source

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co‐occurrence in Alaskan waters

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kelly Kapsar   +2 more
wiley   +1 more source

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

Extent of threats to marine fish from the online aquarium trade in the United States

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
The global marine aquarium hobby is a multibillion‐dollar industry, largely driven by demand from the United States. Much of this trade occurs online. We web scraped 4 major US‐based e‐commerce platforms selling marine aquarium fish to determine the retail price and source (wild capture, aquaculture, or both) of 13 families of ray‐finned marine fish ...
Bing Lin   +6 more
wiley   +1 more source

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