Frontiers of Oceanography: Marine Biodiversity: Threats, Utility and Conservation

2/7/2001; 29 minutes

The world's oceans contain a vastly greater diversity of life forms than land, and the life cycles, needs and uses of only a very few of those are understood. Marine biologist Nancy Knowlton shares a glimpse into this vast reservoir of biodiversity, its potential benefits and how it is threatened. (#5347)

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