Results 11 to 20 of about 66,532 (214)

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

Reproductive inequalities in the acanthocephalan Corynosoma cetaceum: looking beyond "crowding" effects [PDF]

open access: yes, 2018
Background: At present, much research effort has been devoted to investigate overall (average) responses of parasite populations to specific factors, e.g., density-dependence in fecundity or mortality. However, studies on parasite populations usually pay
Aznar Avendaño, Francisco Javier   +5 more
core   +1 more source

Vulnerability of marine megafauna to global at-sea anthropogenic threats. [PDF]

open access: yesConserv Biol
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 ...
VanCompernolle M   +312 more
europepmc   +2 more sources

Alpha diversity of marine mammals of the Mexican South Pacific

open access: yesRevista Mexicana de Biodiversidad, 2018
Knowledge of the alpha diversity contributes to the determination of conservation priorities by identifying regions with high species richness and/or a large number of endemic, rare, or endangered species.
Francisco Villegas-Zurita   +3 more
doaj   +1 more source

Improvement in survivorship: The key for population recovery? [PDF]

open access: yes, 2016
In northern Patagonia, commercial harvesting of South American sea lions, Otaria flavescens, from 1920 to 1960, decimated its population abundance. Population recovery was not immediate after hunting ceased in 1962.
Crespo, Enrique Alberto   +2 more
core   +1 more source

Reflexiones sobre el rol del Mercosur en la protección ambiental de los recursos acuáticos y marinos

open access: yesRevista de la Facultad de Derecho, 2016
El presente artículo reflexiona sobre el rol que el Mercado Común del Sur (en adelante, MERCOSUR) podría desarrollar en lo concerniente a la protección jurídica ambiental de los recursos acuáticos y marinos.
Violeta S. Radovich
doaj   +1 more source

Cambio climático y recursos marino-costeros

open access: yesRevista de Ciencias Ambientales, 2008
El cambio climático y sus efectos en la biosfera preocupan actualmente incluso a aquellos científicos y tomadores de decisiones que tiempo atrás se negaron a reconocerlos en su gravedad. Y entre ellos están destacadamente interesados los del mundo desarrollado, que temen que su calidad de vida, y la de la humanidad en general, se vea seriamente dañada ...
Alejandro Gutiérrez, Silvia Chacón
openaire   +3 more sources

Living on a trophic subsidy: Algal quality drives an upper-shore herbivore’s consumption, preference and absorption but not growth rates [PDF]

open access: yes, 2018
Indexación: Scopus.The transfer of seaweeds from subtidal bottoms to nearby intertidal rocky shores is a common but often overlooked phenomenon. Freshly detached seaweeds often represent critical trophic subsidies for herbivores living in upper-shore ...
Duarte, C.   +4 more
core   +5 more sources

Distribución de las macroalgas en áreas naturales protegidas de la Costa Norte de la Península de Yucatán, México.

open access: yesRevista de Investigaciones Marinas, 2023
Se examinó la distribución estacional de las macroalgas marinas y las variables de los microhábitats (temperatura, salinidad, pH, oxígeno disuelto y tipo de sustrato) en dos áreas Naturales Protegidas de la costa Norte de la Península de Yucatán, de ...
Ileana Ortegón Aznar   +1 more
doaj  

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