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The Biosphere - DVD
Catalogue Number: NFB522583
Producer: National Film Board Of Canada
Producers: Barrie Howells, Colin Low, Peter Katadotis
Directors: William Pettigrew
Producing Agencies: Conseil national de recherches du Canada (Ottawa), National Film Board of Canada (Montreal)
Subject: Documentary, Environmental Studies
Language: English
Country Of Origin: Canada
Copyright Year: 1979
Running Time: 56:31
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The Biosphere - DVD 
Catalogue Number: NFB522583
Producer: National Film Board Of Canada
Producers: Barrie Howells, Colin Low, Peter Katadotis
Directors: William Pettigrew
Producing Agencies: Conseil national de recherches du Canada (Ottawa), National Film Board of Canada (Montreal)
Subject: Documentary, Environmental Studies
Language: English
Country Of Origin: Canada
Copyright Year: 1979
Running Time: 56:31
Click here for pricing
The Mackenzie and Amazon valleys are 10 000 km apart and are ecologically distinct. Yet, in a subtle sense they are collaborating elements within the biosphere, the Earth's thin layer of living matter. In this film are seen two of the world's myriad river ecosystems and how they are linked within the biosphere.