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25 de abril de 2024
Preocupación mundial
Aumenta el canibalismo entre osos polares por el cambio climático lunes 2 de marzo de 2020 19:12
Los casos de osos polares que se matan y se comen entre sí aumenta en el Ártico debido al derretimiento del hielo y la actividad humana que destruye su hábitat, según afirmó Ilya Mordvintsev, investigador del Instituto Severtsov para Problemas de Ecología y Evolución de Moscú.
"El canibalismo entre los osos polares es un hecho establecido desde hace tiempo, pero estamos preocupados porque estos casos que solían producirse rara vez, ahora son bastante frecuentes", dijo el experto de osos polares Ilya Mordvintsev, citado por la agencia de noticias Interfax.
"En algunas estaciones no hay suficientes alimentos y los osos atacan a las osas con oseznos", sostuvo.
Este invierno, la zona del Golfo de Obi al mar de Barents donde los osos polares solían cazar, es ahora una ruta concurrida de barcos cargados de gas licuado (GNL), dijo Mordvintsev, con la consecuente destrucción del hielo en esta zona.
Los investigadores rusos constataron un creciente número de osos polares que abandonan sus lugares tradicionales de caza debido al derretimiento del hielo por el calentamiento del clima.
En el último cuarto de siglo, el nivel de hielo al final del verano ártico se ha reducido un 40%, dice otro científico Vladimir Sokolov, que predice que los osos polares tendrán que dejar de cazar en el mar helado y se verán confinados a las orillas de los lagos y los archipiélagos cercanos al polo.