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Largest global shark biomass found in the northern Galápagos Islands of Darwin and Wolf / Pelayo Salinas de León ... [et al.].

Por:

Salinas de León, Pelayo [autor]

Colaborador(es):

Tipo de material:

ArtículoIdioma: Inglés Detalles de publicación: 2016.Descripción: : 1-25 pTema(s):

Clasificación CDD:

597.3 23

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En: PeerJ (May 2016), p. 1-25Tema: Overfishing has dramatically depleted sharks and other large predatory fishes worldwide except for a few remote and/ or well-protected areas. The islands of Darwin and Wolf in the far north of the Galapagos Marine Reserve (GMR) are known for their large shark abundance, marking them a global scuba diving and conservation hotspot. Here we report quantitative estimates of fish abundance at Darwin and Wolf over two consecutive years using stereo-video surveys, which reveal the largest reef fish biomass ever reported (17.5 t ha -1 on average), consisting largely of sharks. Despite this, the abundance of reef fishes around the GMR, such as groupers, has been severely reduced because of unsustainable fishing practices. Although Darwin and Wold are within the GMR, they were not fully protected from fishing until March 2016. Given the ecological value and the economic importance of Darwin and Wolf for the dive tourism industry, the current protection should ensure the long-term conservation of this hotspot of unique global value.

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Existencias ( 2 )
Notas de título ( 2 )

Existencias
Imagen de cubierta	Tipo de ítem	Biblioteca actual	Biblioteca de origen	Colección	Ubicación en estantería	Signatura topográfica	Materiales especificados	Info Vol	URL	Copia número	Estado	Notas	Fecha de vencimiento	Código de barras	Reserva de ítems	Prioridad de la cola de reserva de ejemplar	Reservas para cursos
	Artículo	Corley Smith Library Artículos		Galápagos		597.3 SAL 2016 (Navegar estantería(Abre debajo))					Disponible			2016-0111
	Documento electrónico	Corley Smith Library Colección PDF		Galápagos		597.3 SAL 2016 (Navegar estantería(Abre debajo))					Disponible			2021-1779

Overfishing has dramatically depleted sharks and other large predatory fishes worldwide except for a few remote and/ or well-protected areas. The islands of Darwin and Wolf in the far north of the Galapagos Marine Reserve (GMR) are known for their large shark abundance, marking them a global scuba diving and conservation hotspot. Here we report quantitative estimates of fish abundance at Darwin and Wolf over two consecutive years using stereo-video surveys, which reveal the largest reef fish biomass ever reported (17.5 t ha -1 on average), consisting largely of sharks. Despite this, the abundance of reef fishes around the GMR, such as groupers, has been severely reduced because of unsustainable fishing practices. Although Darwin and Wold are within the GMR, they were not fully protected from fishing until March 2016. Given the ecological value and the economic importance of Darwin and Wolf for the dive tourism industry, the current protection should ensure the long-term conservation of this hotspot of unique global value.

Inglés