CHICAGO–The earth experienced its biggest mass extinction about 250 million years ago, an event that wiped out an estimated 95% of marine species and 70% of land species. New research shows that this ...
Antarctica's unique ecosystems are increasingly at risk from non-native marine species and pollution carried from Southern Hemisphere landmasses, according to a new study published in Global Change ...
Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...
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