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Volume 7: Number 1: Article 3
Existence of Life and Homeostasis in Atmospheric Environment
Shigeru Moriyama, Physical Sciences Laboratories, College of Industrial
Technology, Nihon University, 2-11-1 Shin'ei, Narashino-shi, Chiba-ken
275, Japan
A geophysiological model is used to show how a regulation of the atmospheric
CO2 level could counteract the effect of a gradual increase in solar
luminosity. In our model, the biosphere and the atmosphere-ocean system
exchange carbon through a biological process which includes the internal
and mutual antagonism. It is suggested that as soon as the biologically
regulated system had appeared on the early earth, the regulatory aspect
of the ecosystem would have been fully operational, and thus, that the
earth's environment has been maintained in homeostasis for a long time.
One model for the temporal variation of the carbon distribution on the
earth, which is in agreement with observed carbon isotopic data, is
also suggested. An important result is that our ecosystem left a completely
biologically controllable state some six hundred million years ago,
and that the current trend is toward destruction of the ecosystem on
the earth.
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