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The system of interdependent complex of plant and animal populations within a particular geographic content, generally an area of uniform environmental conditions.

That part of the earth, and the atmosphere surrounding it, which is able to support life. Biosphère	Écologie animale	Écologie humaine
Écosystème aquatique	Ecosystème terrestre	Équilibre écologique
Phytoécologie

Écosystème