พื้นธรณีชีวภพ [Biogeosphere]
The earth’s envelope in which the living substance of the planet is concentrated. It is situated on the boundary between the surface layer of the earth’s crust and the ocean of air and in the upper part of the water envelope. There are numerous synonyms for “biogeosphere”: layer of concentration of life, film of life. The concept of the earth’s landscape envelope is close in scope to the biogeosphere.