Online Public Access Catalogu . Abdel Hafid Boussouf University Center of Mila.

That part of the earth, and the atmosphere surrounding it, which is able to support life.

The mass of organisms living in an animal or plant ecosystem.

The largest land community region, e.g. tundra, savannah, grassland, desert, forest; each biome may contain several ecosystems.

Reserves created to ensure long-term survival of representative ecosystems, with their component plants and animals.

Commentaire :

That part of the earth, and the atmosphere surrounding it, which is able to support life.

Atmosphère
Biogéographie
Geographical distribution of animals and plants.
Écologie
Use for the study of relationships between living organisms and their natural environment.
Effet des activités humaines
Environnement naturel
Espèce humaine
Habitat
Hydrosphère
That part of the earth that is water e.g. oceans, lakes and rivers.
Terre (planète)