De-extinction and Recreating the Wild: We Have the Tools
“We are living in what is widely considered the sixth major extinction. Most ecologists believe that biodiversity is disappearing at an alarming rate, with up to 150 species going extinct per day say scientists working with the United Nations Convention on Biological Diversity.” according to authors Gregory E. Kaebnick and Bruce Jennings.
The report was edited by Gregory Kaebnick, a Hastings Center research scholar and editor of the Hastings Center Report, and Bruce Jennings, a senior advisor at the Center. The report grew out of a research project on de-extinction, led by Kaebnick and Jennings, that was part of a two-year collaboration of The Hastings Center and the Center for Humans and Nature, where Jennings is a senior scholar.
Credit: Wikipedia/ Daryl_Mitchell
Major questions addressed in the special report include the following:
Is true de-extinction possible?
Advances in biology have revealed the ways the environment influences species’ genomes. Even if scientists could produce creatures with DNA identical to that of extinct species, different environmental pressures would alter their genomes in novel ways, raising the possibility that those creatures would differ from the extinct species. “Species are entangled with other species, the land, and ecological events and processes,” writes Ronald Sandler, director of the Ethics Institute at Northwestern University. “If scientists merely create organisms genetically similar to previously existing species, neither the species nor its relationships are regenerated.” Still, some experts think that creating organisms that are similar to extinct species might have ecological benefits.
Does de-extinction support or undermine the goals of conservation?
Many scientists believe that although the maintenance of biodiversity benefits ecosystems, changes to the environment could make the reintroduction of extinct species difficult–possibly even ecologically disruptive. Curt Meine, a senior fellow with the Center for Humans and Nature and the Aldo Leopold Foundation, writes that species reintroduction does not take place in a “social or ecological vacuum” and that the interactions of a species with its physical and social environment are critical for its success.
Several commentators in the report raise the concern that the notion that extinct species might be “brought back” could weaken efforts to prevent extinctions. “By proposing that we can revive species through modern technology, we give the impression that species are ‘throwaway’ items,” write Robert DeSalle, a curator at the American Museum of Natural History’s Sackler Institute for Comparative Genomics, and George Amato, director of the conservation genomics program at the institute. And Phil Seddon, chair of a recent International Union for Conservation of Nature task force that issued guidelines for attempting de-extinction, argues that, although conservationists need to be willing to use new biotechnologies for conservation goals, de-extinction may not be the best place to start.
What ideals should guide conservation as de-extinction and other biotechnological strategies become available?
Several essayists ask whether de-extinction goes too far in advancing human activity in the natural world. Christopher Preston, an ethicist at the University of Montana, argues that de-extinction is different from many other kinds of human activities because it tries to alter the deep structure of nature. Gregory Kaebnick asks whether de-extinction challenges the “gardening ethic” that some environmentalists have recently called for. He argues that the technologies show the need to think more carefully about what “good gardening” really means for a conservationist. In the version of gardening he defends, we should “think of nature as a place, a community–a threatened homeland,” Kaebnick advises. “We live in it and dominate it, but we depend on it and cherish it. We should safeguard it.”
Contacts and sources:
The Hastings Center
Citation: Gregory E. Kaebnick and Bruce Jennings, “De-extinction and Conservation,” Recreating the Wild: De-extinction, Technology, and the Ethics of Conservation, special report, Hastings Center Report 47, no. 4 (2017): S2-S3. DOI: 10.1002/hast.744
Source: http://www.ineffableisland.com/2017/08/de-extinction-and-recreating-wild-we.html
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