UN DESA’s Statistics Division will convene an Expert Group Meeting on Modelling Approaches and Tools for Testing of the SEEA Experimental Ecosystem Accounting from 18 to 20 November in New York City.
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 ...
A colorful ecosystem of lush green foliage and bright flowers. In 1935, English botanist Arthur Tansley coined the term “ecosystem” to describe our emerging understanding that a biological system ...
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