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C’è una nuova specie animale a rischio a causa dei cambiamenti climatici. Il 70% della popolazione dei pinguini reali potrebbe scomparire entro la fine del secolo. Il riscaldamento globale costringerà oltre un milione di coppie a intraprendere una difficile migrazione verso sud, con il rischio di non farcela. Le colonie più a vulnerabili sono quelle che vivono sulle isole subantartiche.
DNA di ferro
Nonostante questa preoccupante proiezione, c’è chi rimane ottimista grazie al DNA di ferro di questo animali. Come si può leggere sulla rivista Nature Climate Change, questi volatili marini sono riusciti in passato a sopravvivere a pesanti cambiamenti climatici, l’ultimo 20'000 anni fa. Potrebbero quindi resistere e adattarsi.
“Potrebbero essere in grado di esplorare l’oceano australe”, ha affermato Emilio Trucchi, ricercatore dell’Università di Ferrara, “e trovare nuove isole dove fondare le loro colonie quando la situazione si fa critica”.
ATS/AlesS
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