Their aggressive approach to conservation featured prominently in numerous scientific articles that followed, discussing the pros and cons of assisted migration. These cases underscore the reality that other plants and animals are already living where you might want to introduce something in order to save it. “I would treat assisted migration as a tool of last resort,” he told me in an email. Many of the animal’s native wetlands were fragmented and shrinking, and conservationists feared that global warming would finish the tortoise off. Similarly, she says, assisted migration is appropriate when contrasted with the other possibility: extinction if no one intervenes.

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Persons: martens, Anthony Ricciardi, “, ”, it’s, “ It’s, ” Nicola Mitchell, Jessica Hellmann, you’re Organizations: McGill University, University of Western Australia, U.S . Forest Service, Forest Service, University of Minnesota’s Institute, Environment Locations: Central, South America, Australia, Hawaii, Canada, Newfoundland, Montreal, “, U.S