Vegetation of the Earth and Ecological Systems of the Geo-biosphere

We shall limit our observations to the conditions in natural ecosystems, since it would be beyond the scope of this book to embark upon a consideration of secondary, man-made ecosystems. 2. Classification of the Geo-biosphere into Zonobiomes The biosphere is the thin layer of the earth''s surface to which the phenomena connected with living matter are confined. On land, this comprises the lowest l...