Sydney Morning Herald: Stuck in the mud: plants on death row in changing world

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http://www.smh.com.au/environment/stuck-in-the-mud-plants-on-death-row-in-changing-world-20090218-8bgt.html

Stuck in the mud: plants on death row in changing world

Deborah Smith Science Editor
February 19, 2009

MOST southern hemisphere plants - except for weeds - will not be able to adapt to rapid climate change, a study of more than 11,000 species suggests.

Researchers, including the Sydney botanist Peter Weston, traced the history of plants that live in a range of different habitats including bogs, alpine regions, rainforests and arid environments.

They found the vast majority were still stuck in their old ways. Despite tens of millions of years of evolution, less than 4 per cent of the species had managed to shift to new habitats.

"We were struck by the conservatism of plants - how rarely they were able to adapt and flourish outside of their ancestral environments," said Dr Weston, of the Botanic Gardens Trust.

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