Cuando billones de criaturas emergen de las profundidades del océano

Ranked News

🌱 Environment & Climate

Cuando billones de criaturas emergen de las profundidades del océano 07.07.2026

BBC

La zona mesopelágica del océano, también conocida como la zona de penumbra, alberga la migración animal natural más grande del mundo, denominada migración vertical diaria (DVM, por sus siglas en inglés). Cada noche, billones de organismos, incluyendo una biomasa masiva de zooplancton y copépodos, ascienden desde profundidades de hasta 1.000 metros para alimentarse del fitoplancton de la superficie. Este movimiento nocturno, que se asemeja a una "ola" global, cumple un papel vital en el clima de la Tierra al transportar hasta seis gigatoneladas de carbono anualmente desde las aguas superficiales hacia el océano profundo. Expertos como Jon Copley y Laura Hobbs destacan que esta "sopa viviente" es esencial para el ciclo de nutrientes y las redes tróficas. Sin embargo, este ecosistema crítico enfrenta graves amenazas debido al cambio climático y a la posible pesca de profundidad, lo que ha llevado a la UICN a pedir una pausa en la pesca mesopelágica para proteger toda la columna de agua.

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