描述:
of the Republic of
China. A large body of insightful research has been carried out on the issue in recent
years, yet there are still problems unsolved in the field.
描述:
in agriculture. In recent years, the
Western Development Drive (WDD) has been carried out, however, the problem of
lack of water has still not been solved fundamentally.
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:
nd mingle, thus
breeding diversified and unique northwestern highland cultures, showing national
characteristics and original beauty, meanwhile forming a large number of tangible and
intangible cultural heritages.