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Movimientos y migración de la megafauna marina a través del estrecho de Gibraltar: lagunas del conocimiento y retos de conservación

Authors: Báez, José Carlos;

Movimientos y migración de la megafauna marina a través del estrecho de Gibraltar: lagunas del conocimiento y retos de conservación

Abstract

[ES] La megafauna marina definida comúnmente como aquella fauna superior a 45 kilos de peso, y que incluye usualmente mamíferos, tortugas, tiburones pelágicos y algunas especies de peces óseos como los túnidos, juegan una importante función en los ecosistemas en los que participan. Además, debido a la relación positiva entre el tamaño corporal y el uso del espacio suelen ser especies altamente móviles, por lo que conectan ecosistemas oceánicos a grandes escalas espaciales. En este sentido, el estrecho de Gibraltar representa un importan te hito geográfico para esta fauna, ya que conecta el océano Atlántico con el mar Mediterráneo. El objetivo principal del presente trabajo es revisar el estado actual del conocimiento sobre los movimientos y migración de la megafauna marina a través del estrecho de Gibraltar. Finalmente se discute los principales retos para la conservación de este emblemático componente de la biodiversidad marina. La principal conclusión del presente trabajo es que el cambio climático, junto con las características oceanográficas del estrecho de Gibraltar podrían actuar como una trampa ecológica que perjudique aún más a esta fauna carismática.

[EN] Marine megafauna, generally defined as fauna weighing more than 45 kg, and typically including cetaceans, sea turtles, pelagic sharks and some bony fish species such as tuna, play an important role in the ecosystems in which they participate. Moreover, due to the positive relationship between body size and use of space, they are highly mobile species, thus con necting ocean ecosystems at large spatial scales. In this sense, the Strait of Gibraltar repre sents an important geographical landmark for this fauna, as it connects the Atlantic Ocean with the Mediterranean Sea. The main aim of this paper is to review the current status of the knowledge about movements and migrations of marine megafauna through the Strait of Gibraltar. Finally, the main challenges for the conservation of this emblematic component of marine biodiversity are discussed. The main conclusion of this paper is that the climate change, together with the oceanographic characteristics of the Strait of Gibraltar, could lead to an ecological trap that further damages this charismatic fauna.

El presente estudio ha sido financiado por el proyecto de I+D+i del Ministerio de Ciencia e Innovación DINAMO (código PID2020-118150RB-I00).

Peer reviewed

Keywords

megafauna, Cetaceans, Cetáceos, tortugas marinas, tiburones, Mediterranean, sea turtles, Mediterráneo, sharks

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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