Results 11 to 20 of about 66,532 (214)
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
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Reproductive inequalities in the acanthocephalan Corynosoma cetaceum: looking beyond "crowding" effects [PDF]
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
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Vulnerability of marine megafauna to global at-sea anthropogenic threats. [PDF]
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
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]
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
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Reflexiones sobre el rol del Mercosur en la protección ambiental de los recursos acuáticos y marinos
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
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
El "Prestige" : impactos sobre los recursos y ecosistemas marinos [PDF]
Freire, Juan, Labarta Fernández, Uxío
openaire +4 more sources
Living on a trophic subsidy: Algal quality drives an upper-shore herbivore’s consumption, preference and absorption but not growth rates [PDF]
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
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
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