p.90-104 ....
Steve Odin (1997); The Japanese Concept of Nature in Relation to the Environment Ethics and Conservation Aesthetics of Aldo Leopold; in Tucker M.E.; Ryuken D.W. (editors); Buddhism and Ecology - The Interconnection of Dharma and Deed; Harvard University Press - USA;

Aldo Leopold a wildlife biologist of the 1930's and 40's, proclaimed "a land ethic" that should change the role of Homo sapiens from conqueror of the land-community to plain member and citizen of it. His land ethic redefines conservation from maximizing the utility of natural resources to "a state of harmony between humanity and the land." A.Leopold, along with the geomantic philosophy of East Asia, can be seen as providing theoretical support for what is known in environmental philosophy as the GAIA theory (or World System Science as it is also known). Extending this concept by including aspects of Deep Ecology, Land Ethics, and Social Ecology should give some guidelines: