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La Gran Barrera de Coral australiana vuelve a blanquearse

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Última actualización: 22 Feb 2019, 6:29 pm CEST

Los arrecifes de la Gran Barrera de Coral australiana han vuelto a aparecer blancos por segundo año consecutivo, según han indicado el viernes los responsables científicos. El director del parque, David Wachenfeld, ha expresado en un video en su Facebook que “desgraciadamente, las temperaturas fueron elevadas este verano en la Gran Barrera de Coral, por lo que podemos confirmar un nuevo caso de blanqueo masivo por segundo año consecutivo”.

El blanqueo de los corales es un fenómeno de debilitamiento que se traduce por una decoloración, provocado por un aumento de la temperatura del océano. Esto implica que se expulsen las algas simbióticas que dan los nutrientes y color al coral. El año pasado, este gran ecosistema que se extiende sobre 2.300 kilómetros sufrió el año pasado el episodio más grave de blanqueo, debido al cambio de temperatura del agua en marzo y abril. Este año se ha vuelto a ver una decoloración en los arrecifes, según ha podido constatar el parque marino de la Gran Barrera de Coral, habiendo recogido muestras aéreas.

Este ecosistema, que es el arrecife más grande del mundo, está amenazada por el cambio climático, inundaciones agrícolas y la proliferación de estrellas marinas que destruyen los corales.

La Gran Barrera de Coral australiana vuelve a blanquearse 1 La Gran Barrera de Coral australiana decolorándose. | Foto: Handout / BIOPIXEL / AFP

La Gran Barrera de Coral australiana vuelve a blanquearse 2

La Gran Barrera de Coral australiana decolorándose. | Foto: Handout / BIOPIXEL / AFP

 

 

La Gran Barrera de Coral australiana vuelve a blanquearse 3

La gran Barrera de Coral australiana decolorándose. | Foto: Handout / BIOPIXEL / AFP