News tagged with forested ecosystems

Putting a value on environmental change

The value of the global environment to human well-being, health and livelihoods fell by around US$20 trillion (A$21.5 trillion) a year between 1997 and 2011 due to loss of wetlands, coral reefs and tropical ...

May 29, 2014 3.6 / 5 (7) 0

Earthworm invasion

Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control ...

Sep 12, 2013 not rated yet 1