Climate change causes tree ‘migration’

Earth Times: Global warming is causing a strange phenomenon in tree species. The warming is causing certain species of trees to die out in regions that they have lived for hundreds of years. Insect attacks, the spread of diseases and even fire are causing these declines but are also allowing new species to move in and replace them, effectively causing a huge "migration". This is reshaping forests in a new survival of the fittest as conditions change. Scientists have outlined the impact of global warming upon......

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