An international team of global warming experts have called for new drastic conservation tactics, such as assisted migration, to save species, in the face of the growing threat of climate change.
An international team of global warming experts have called for new drastic conservation tactics, such as assisted migration, to save species, in the face of the growing threat of climate change.
The team of conservation scientists is from Australia, the United Kingdom and United States, including University of Texas at Austin Professor Camille Parmesan.
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They suggest that human-assisted translocation of individuals, often termed "assisted migration" or "assisted colonization," may be necessary to ensure colonization of new geographic regions as parts or all of the historical species' range becomes unsuitable.
"When I first brought up this idea some 10 years ago in conservation meetings, most people were horrified," said Parmesan.
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Parmesan and her colleagues point out that assisted migration can never be a major solution for wildlife, but could conceivably be used to help a few species that biologists and the public deem to be important enough for the effort and could otherwise go extinct.
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In their report, the authors present a conceptual framework for just how such decisions might be made.
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In addition to biological considerations, their framework includes social dimensions of the issue, such as cost and inherent value people place on the target species.
"Ultimately, the decision about whether to actively assist the movement of a species into new territories will rest on ethical and aesthetic grounds as much as on hard science," said Parmesan.
"Conservation has never been an exact science, but preserving biodiversity in the face of climate change is likely to require a fundamental rethinking of what it means to 'preserve biodiversity'," she added.
Source-ANI
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