Results 21 to 30 of about 66,532 (214)

Analysing the natural population growth of a large marine mammal after a depletive harvest [PDF]

open access: yes, 2017
An understanding of the underlying processes and comprehensive history of population growth after a harvest-driven depletion is necessary when assessing the long-term effectiveness of management and conservation strategies.
Crespo, Enrique Alberto   +8 more
core   +1 more source

Spatial and Temporal Effects of Whale Watching on a Tourism-Naive Resident Population of Bottlenose Dolphins (Tursiops truncatus) in the Humboldt Penguin National Reserve, Chile

open access: yesFrontiers in Marine Science, 2021
Standardized measures of behavior can be powerful tools for assessing the impact of whale watching activities on natural populations of cetaceans. To determine the possible impact of tourism on dolphins between a period without whale watching (1989–1992)
Frederick Toro   +18 more
doaj   +1 more source

Variação na composição isotópica do Cynoscion guatucupa no Oceano Atlântico Sul [PDF]

open access: yes, 2017
The aim of this study was to analyze the isotopic composition in muscle of striped weakfish Cynoscion guatucupa from Southwest Atlantic Ocean in order to evaluate a possible variation in δ13C and δ15N in response to dietary shifts that occur as animals ...
Cappozzo, Humberto Luis   +4 more
core   +1 more source

Liberación de juveniles de pargo manchado Lutjanus guttatus (Steindachner, 1869), como estrategia para la conservación de la especie y educación ambiental marino costera

open access: yesGestión y Ambiente, 2019
La percepción ambiental como herramienta de educación y sensibilización a la conservación de los recursos marinos, fue implementada en la liberación de 102.000 juveniles de Lutjanus guttatus con la participación activa de pescadores artesanales ...
Jonathan Chacón-Guzmán   +7 more
doaj   +1 more source

Acciones de conservación marina a través de la integración de la comunidad local

open access: yesAULA Revista de Humanidades y Ciencias Sociales, 2022
Debido a distintas presiones globales y locales, los ecosistemas costero-marinos se encuentran rápidamente en declive a un ritmo alarmante. La República Dominicana es especialmente vulnerable a los efectos de la degradación de estos ecosistemas y sus ...
Maria Villalpando   +4 more
doaj   +1 more source

Distribution, abundance, and size structure of the Pacific cupped oyster Magallana gigas in northern Patagonia

open access: yesMarine and Fishery Sciences
In the 1980s, the Pacific oyster Magallana gigas (Thunberg, 1783) was deliberately introduced in the southern region of the Province of Buenos Aires (Bahía Anegada, BA), Argentina.
Leandro A. Hünicken   +5 more
doaj   +1 more source

Evidencias de explotación de recursos marinos en la orilla norteafricana del estrecho de Gibraltar por sociedades del Pleistoceno en el Abrigo de Benzú (Ceuta) [PDF]

open access: yes, 2014
Artículo sobre la utilización de recursos marinos por parte de los grupos prehistóricos en el abrigo de Benzú (Ceuta)
Bernal Casasola, Darío   +3 more
core   +1 more source

Extinction Debt Paid Off: The Demise of the European Polecat (Mustela putorius) in NE Iberia

open access: yesIntegrative Zoology, EarlyView.
We studied a vanishing polecat population for a decade, until its ultimate demise, using camera trap and roadkill data, landscape descriptors and dietary and toxicological analyses.Polecat favoured farmland and avoided forests and water bodies occupied by the invasive American mink.
Salvador Salvador   +4 more
wiley   +1 more source

Calamares de la familia Onychoteuthidae Gray, 1847 en el Océano Pacífico suroriental [PDF]

open access: yes, 2016
Indexación: Web of ScienceHooked squids (Family Onychoteuthidae Gray, 1847) inhabit all oceans of the world except the Arctic. This family is currently comprised of 25 species belonging to seven genera.
Cifuentes-Bustamante, AF, Ibanez, CM
core   +1 more source

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