Scientists plan to map a ‘safety net’ for Planet Earth

• The mapping effort, to be led by Washington, D.C.-based non-profit research organization RESOLVE together with Globaïa, an NGO based in Quebec, Canada, and Brazil’s Universidade Federal de Viçosa, aims to identify the most critical terrestrial regions to protect as we work towards the goal of conserving 50 percent of the world’s land area.
• Scientists and conservationists have argued for years that setting aside at least half of the world’s land mass as off-limits to human enterprise is necessary if we are to conserve our planet’s biodiversity.
• The “safety net” that RESOLVE and its partner institutions plan to map out will consist of a network of wildlife corridors that connect every protected area on Earth and link them up with other high-priority landscapes, as well, even those that are unprotected.
  
  A team of biologists and computer scientists plan to map a global “safety net” for Planet Earth.
  The mapping effort, to be led by Washington, D.C.-based non-profit research organization RESOLVE together with Globaïa, an NGO based in Quebec, Canada, and Brazil’s Universidade Federal de Viçosa, aims to identify the most critical terrestrial regions to protect as we work towards the goal of conserving 50 percent of the world’s land area.
  
  Scientists and conservationists have argued for years that setting aside at least half of the world’s land mass as off-limits to human enterprise is necessary if we are to conserve our planet’s biodiversity. Renowned biologist E.O. Wilson is, of course, one of the chief proponents of this conservation target, as detailed in his 2016 book Half-Earth: Our Planet’s Fight for Life.
  
  There was an overall decline of 58 percent in wildlife population sizes between the years 1970 and 2012, the World Wildlife Fund reported earlier this year in its annual Living Planet Report. If current trends continue, the group added, population abundance of amphibians, birds, fish, mammals, and reptiles will have declined, on average, by some 67 percent by 2020.
  
  The “safety net” that RESOLVE and its partner institutions plan to map out will consist of a network of wildlife corridors that connect every protected area on Earth and link them up with other high-priority landscapes, as well, even those that are unprotected. These corridors are necessary for migratory species and wide-ranging species like big cats to thrive. They also provide a means for species to shift their ranges as temperatures continue to rise due to global warming and their current habitat becomes inhospitable.
  
  
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