How a warming Arctic is accelerating global climate change

Three recent papers authored by Ted Schuur, Regents' professor of biological sciences at Northern Arizona University, and other researchers around the world, organized through the Permafrost Carbon Network, investigate the ...

Ecosystem

An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the physical (abiotic) factors of the environment. An ecosystem is a unit of interdependent organisms which share the same habitat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem.

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