'While often perceived as a danger to the public, sharks play important ecological roles in coastal ecosystems,' says scientist behind study
Shark numbers crashed by 92% over past half century, report finds
13. prosinece 2018 15:01
Klimatická změna
Příroda
Celý článek: http://www.independent.co.uk/environment/sharks-decline-great-white-hammerhead-endangered-australia-a8681696.html
Zdroj: The Independent