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World's last remaining "pristine" forest under threat

Adelaide, Wed, 26 Aug 2009 ANI

Adelaide, August 26 (ANI): A team of international researchers has found that the world's last remaining "pristine" forest, namely the boreal forest across large stretches of Russia, Canada and other northern countries, is under increasing threat.


The researchers were from the University of Adelaide in Australia, Memorial University of Newfoundland in Canada and the National University of Singapore.


They have called for the urgent preservation of existing boreal forests in order to secure biodiversity and prevent the loss of this major global carbon sink.


The boreal forest comprises about one-third of the world's forested area and one-third of the world's stored carbon, covering a large proportion of Russia, Canada, Alaska and Scandinavia.


To date, it has remained largely intact because of the typically sparse human populations in boreal regions.


That is now changing, according to researchers and co-authors Associate Professor Corey Bradshaw, University of Adelaide, Associate Professor Ian Warkentin, Memorial University, and Professor Navjot Sodhi, National University of Singapore.


"Much world attention has focused on the loss and degradation of tropical forests over the past three decades, but now the boreal forest is poised to become the next Amazon," said Associate Professor Bradshaw, from the University of Adelaide's Environment Institute.


"Historically, fire and insects have driven the natural dynamics of boreal ecosystems," said Associate Professor Warkentin.


"But with rising demand for resources, human disturbances caused by logging, mining and urban development have increased in these forests during recent years, with extensive forest loss for some regions and others facing heavy fragmentation and exploitation," he added.


According to the findings, few countries are reporting an overall change in the coverage by boreal forest, but the degree of fragmentation is increasing with only about 40 percent of the total forested area remaining "intact".


Russian boreal forest is the most degraded and least "intact" and has suffered the greatest decline in the last few decades.


Countries with boreal forest are protecting less than 10 percent of their forests from timber exploitation, except for Sweden where the figure is about 20 percent. (ANI)


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