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New Map Shows Areas That Have Been Most Sensitive to Climate Changes

by Dr. Trupti Shirole on  February 22, 2016 at 5:07 PM Environmental Health   - G J E 4
A new method for measuring ecosystem sensitivity to climate change has been described by researchers in the Nature. "Based on the satellite data gathered, we can identify areas that, over the past 14 years, have shown high sensitivity to climate variability," said study first author Alistair Seddon from the University of Bergen (UiB) in Norway.
 New Map Shows Areas That Have Been Most Sensitive to Climate Changes
New Map Shows Areas That Have Been Most Sensitive to Climate Changes
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Seddon further added, "We have found ecologically sensitive regions with amplified responses to climate variability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, forests in South America, and eastern areas of Australia."

‘A new method for measuring ecosystem sensitivity to climate variability has been described by researchers. They have also identified areas that have shown high sensitivity to climate variability.’
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The metric that the researchers developed, the Vegetation Sensitivity Index (VSI), allows a more quantifiable response to climate change challenges and how sensitive different ecosystems are to short-term climate anomalies such as a warmer June than on average, a cold December, a cloudy September, among others.

The index supplements previous methods for monitoring and evaluating the condition of ecosystems, the study said.

For the study, the researchers used satellite data from 2000 to 2013.

"Our study provides a quantitative methodology for assessing the relative response rate of ecosystems, either natural ones or those with a strong anthropogenic footprint, to climate variability," Seddon explained.

Source: IANS
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