Study Sees Risk to California Plants From Climate Change (2/2)

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Still, they say California's coastal redwood trees, for example, could move farther north. California oak trees could disappear from the central part of the state. Professor Ackerly says established trees could survive, but seedlings would not grow. Oaks could move to cooler weather in the Klamath Mountains along the border with Oregon.

The Central Valley of California could become the new home for plants now found in the Sonoran desert of Mexico.

The study says people who protect or manage natural areas will need to plan for the possible movement of so-calledrefugee" class="hjdict" word="refugee" target=_blank>refugee plants. The researchers identified places around California where large numbers of plants hit hardest by climate change are expected to relocate.

But they say many of these areas are already under increasing pressure from development. They say it is not too early to prepare for helping plants re-establish themselves in new areas. The Berkeley study also involved researchers from Duke University and other schools. The findings can be read online in PLoS One, a journal published by the Public Library of Science.

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