Results 41 to 50 of about 8,766 (205)

Monitoreo de fauna pelágica de los Montes submarinos del Pacífico colombiano usando BRUVS

open access: yesBiota Colombiana, 2023
En diciembre de 2021 se desarrolló la primera expedición a los montes submarinos de las dorsales de Malpelo y de Yuruparí. En total se exploraron ocho montes submarinos por medio de BRUVS (Baited Remote Underwater Video Systems). Se desplegaron 48 BRUVS,
Felipe Ladino Archila   +7 more
doaj   +1 more source

Whale sharks of the western Caribbean: an overview of current research and cnservation efforts and future needs for effective management of the species [PDF]

open access: yes, 2007
Whale sharks (Rhincodon typus) are seasonal visitors to four sites in the Western Caribbean, 3 of which are encompassed by the Mesoamerican Barrier Reef.
Graham, Rachel T.
core   +2 more sources

Correlación entre capacidades coordinativas y potencia en nadadoras juveniles del club tiburones

open access: yesRevista digital: Actividad Física y Deporte, 2018
Este estudio tuvo como objetivo determinar la correlación entre capacidades coordinativas y potencia en  nadadoras del club Tiburones de la ciudad de Tunja (Colombia). Participaron 15 nadadoras de la categoría juvenil (14 y 15 años).
Deissy Johana Porras Suárez   +2 more
semanticscholar   +2 more sources

Reproductive biology of the eyespot skate atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the southwestern atlantic ocean (34ºs - 42ºS) [PDF]

open access: yes, 2018
Atlantoraja cyclophora is an endemic skate to the continental shelf of the Southwestern Atlantic Ocean (22ºS-47ºS) and a bycatch species in commercial bottom trawl fisheries. The morphometric relationships, the size at maturity and the reproductive cycle
Colonello, Jorge Horacio   +3 more
core   +3 more sources

Diet composition of batoids on the continental shelf off Nayarit and Sinaloa, Mexico

open access: yesCiencias Marinas, 2012
Since elasmobranchs are frequently apex predators in marine ecosystems, information on their diet is essential for understanding trophic relationships in these systems.
JA Navarro-González   +3 more
doaj   +1 more source

Relationship between body size and geographic range size of elasmobranchs from the Tropical Eastern Pacific: An initial approximation for their conservation

open access: yesCiencias Marinas, 2011
This study evaluated the relationship between body size and geographic range size, measured as extent and volume of occurrence of resident and endemic elasmobranchs of the Tropical Eastern Pacific.
PA Mejía-Falla, AF Navia
doaj   +1 more source

Conflictos en el mar. El buceo con tiburones en Nueva Zelanda

open access: yes, 2020
This exploratory research examines an interesting conflict, between stakeholders, over the use of goods or resources commonly used for tourism. Methodologically, the analysis is based on a case study with a qualitative approach, which records semi ...
F. Lillo
semanticscholar   +1 more source

Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]

open access: yes, 2010
ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by

core  

Enhancing multitasking capacity: An acoustic tagging and sampling methodology for the spiny butterfly ray (Gymnura altavela) in the Canary Islands

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
To overcome challenges in studying elusive benthic elasmobranchs, a comprehensive, rapid methodology was developed and applied to 133 Spiny Butterfly Rays in Gran Canaria and Tenerife between 2020 and 2024. This approach integrated internal tagging with acoustic and external T‐bar tags, alongside biological sampling and ultrasound assessments, all ...
Ana Espino‐Ruano   +12 more
wiley   +1 more source

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