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[null,"1.","Record Nr.",null,"UNINA9910888490003321"]
[null,null,"Titolo",null,"Extinction / / Produced by Evan Clark"]
[null,null,"Pubbl/distr/stampa",null,"Geelong, Victoria : , : Switch International, , 2010"]
[null,null,"Descrizione fisica",null,"1 online resource (24 minutes)"]
[null,null,"Collana",null,"Extreme Environments ; ; 22"]
[null,null,"Soggetti",null,"Biology"]
[{"$nulls":4},"Environmental Science"]
[{"$nulls":4},"Animals"]
[{"$nulls":4},"Environment"]
[{"$nulls":4},"Documentary"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Videoregistrazione"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from resource description page (viewed March 29, 2016)."]
[null,null,null,"Sommario/riassunto","Our planet's untouched natural environments are shrinking, due to pressure from human populations. As these areas decline, the creatures adapted to live in them face a decline in numbers, and sometimes even extinction altogether. Many biologists believe that if we don't act quickly, half the world's species will be gone in 100 years. A report called the Living Planet Index reveals that from 1970 to 2000, populations of terrestrial and marine species dropped by 30 percent, while freshwater populations went down by a massive fifty percent."]