Results 51 to 60 of about 4,763 (192)

CARACTERIZACIÓN DE LA PESCA DEL TIBURÓN MARTILLO SPHYRNA LEWINI , EN LA PARTE EXTERNA DEL GOLFO DE NICOYA, COSTA RICA

open access: yesRevista Ciencias Marinas y Costeras, 2011
En el ámbito nivel mundial, el tiburón martillo (Sphyrna lewini) es una de las especies más afectadas por la sobrepesca y el aleteo. Recientemente se incorporó a la Lista Roja de la UICN como especie en peligro de extinción. El presente estudio pretendió
Ilena Zanella   +2 more
doaj  

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

Fibropapilomatosis en tortugas marinas:

open access: yesRevista de Investigaciones Marinas, 2022
Como partícipes de ecosistemas, las tortugas marinas se enfrentan a una amplia gama de factores ambientales y de origen antropogénico que pueden ocasionarles daños, lesiones, enfermedades y en casos graves, la muerte.
Eduardo Reséndiz   +3 more
doaj  

Mediterranean Gate Sanctuary for the Protection of Cetaceans

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 12, December 2025.
ABSTRACT The Alboran Sea, located at the western Mediterranean Sea, hosts a diverse and ecologically important cetacean community, including endangered species. However, current marine protected areas (MPAs) in the region are limited in scope, and existing conservation strategies are insufficient to address the wide‐ranging ecological needs of ...
Joan Giménez   +2 more
wiley   +1 more source

La situación de Podocnemis erythrocephala (spix, 1824) (Testudinata: Pelomedusidae), en Colombia

open access: yesCaldasia, 1997
The presence of Podocnemís erythrocephala in the blackwater strems of the departament of Guainía, Colombia, in the Orinoco basin is confirmed. The dimensions of 179 individuals and the basic statistical data according to the sex is presented. The maximum
Castaño Mora Olga Victoria
doaj  

People‐Centered Approaches That Can Expand the Role of Evaluator

open access: yesNew Directions for Evaluation, Volume 2025, Issue 188, Page 43-54, Winter 2025.
ABSTRACT This article tells the collaboratively developed story of a group of seasoned external evaluators who utilized people‐centered approaches as part of their role leading a collective impact initiative, and the lessons they learned along the way. The article is framed for practitioners.
Karen Peterman   +8 more
wiley   +1 more source

Los cromosomas de las tortugas tropicales: Kinosternon leucostomum, Trachemys scripta y Staurotypus triporcatus (Testudines: Kinosternidae/Emydidae)

open access: yesRevista de Biología Tropical, 2014
México es un país biodiverso en varios grupos taxonómicos incluyendo a los reptiles, por ello en el país existen varias especies de tortugas dulceacuícolas y marinas.
Javier Hernández-Guzmán   +3 more
doaj  

Estado de la infección con Gnathostoma binucleatum de las tortugas estuarinas Kinosternon integrum y Trachemys scripta en Sinaloa, México

open access: yesRevista Mexicana de Biodiversidad, 2010
La gnathostomosis humana, un serio problema de salud pública en México, es endémica de Sinaloa. La enfermedad es principalmente ocasionada por el consumo de carne cruda de pescado de agua dulce o salobre infectado con larvas del tercer estadio avanzado ...
Sylvia Páz Díaz-Camacho   +5 more
doaj   +1 more source

Stony Coral Tissue Loss Disease Results in Persistent Microbial‐Level Disturbances on Coral Reef Ecosystems

open access: yesEnvironmental Microbiology Reports, Volume 17, Issue 6, December 2025.
Reef microbiomes before the arrival of stony coral tissue loss disease (vulnerable stage) during the outbreak (epidemic) and after (endemic). Microbial diversity, network metrics, and functional potential varied among apparently healthy corals and the surrounding water and sediments across the stages.
Stephanie M. Rosales   +4 more
wiley   +1 more source

Characterization of substratum composition off Tortugas in 2004, Casma, Peru

open access: yes, 2008
Characterization of substratum composition off Tortugas in 2004, Casma ...
Tresierra, Alvaro   +5 more
core   +1 more source

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