Titlebook: Vegetation of the Earth and Ecological Systems of the Geo-biosphere; Heinrich Walter Textbook 19792nd edition Springer-Verlag New York Inc

委派

enormous

0073-1595 ‘s surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth‘s biomass is phytomass,

Veneer

Introduction: The Classification of Ecological Systemsmena associated with life from environmental factors, and the task of the ecologist is to understand these interconnections. The biosphere is a vast ecosystem within which continuous cycling of material and flow of energy takes place (certain smaller portions of the biosphere also constitute ecosystems).

內(nèi)部

Notify

地牢

aspersion

Springer-Verlag New York Inc. 1979