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Press Release 12-108
Ecologists Call for Preservation of Planet's Remaining Biological Diversity

Two decades after Rio Earth Summit, scientists recommend international efforts to halt biodiversity losses

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Photo of a scientist conducting a stream experiment to track biodiversity.

Scientists conduct a stream experiment to track biodiversity in aquatic ecosystems.

Credit: Brad Cardinale


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Photomicrograph of algae in an aquatic ecosystem.

The biological diversity of algae helps produce oxygen in aquatic ecosystems like lakes.

Credit: Danuta Bennett


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Photo of the Flume Room at the University of Michigan.

The "Flume Room" at the University of Michigan is used to assess biodiversity in streams.

Credit: Brad Cardinale


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Photo of the grassland at NSF's Cedar Creek Long-Term Ecological Research site.

A grassland biodiversity study at NSF's Cedar Creek Long-Term Ecological Research site.

Credit: David Tilman


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Photo of biologists sampling plants at the Cedar Creek Long-Term Ecological Research site.

Biologists sample plant biomass at the Cedar Creek Long-Term Ecological Research site.

Credit: David Tilman


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Photo of researchers sampling in the Chesapeake Bay.

Researchers follow changes in food webs in estuaries such as Chesapeake Bay.

Credit: Emmett Duffy


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