Stingrays

Crisis in the Oceans: Sharks and Rays Decrease by Half in the Last 50 Years

Overfishing has put the oceans in crisis. The global population of sharks and rays has been reduced by half since 1970, and one third of these marine species is at risk of extinction, according to a study published in...

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Severe droughts in Patagonia: impact on forests and possible responses

A recent article titled “Surviving or Dying of Thirst”, published in the magazine Desde la Patagonia, difundiendo saberes, warns...