描述:
f the earth's
surface.Therefore,it has great benefit for clarifying the mutual action between human
beings and land and their change principles in the historical period when the land use
and the land cover changes are chosen as the study perspective.
描述:
e
are scarce
are one of the
and nonrenewable
of city devel
engrave epoch stamp, They are often named "Green Antique" and "Live
opment,
Cultural
relic" by having high ecological, social, economic value, scientific research, high
ornamental and tourist, and historical memorial meaning.