描述:
th, the demand of water resource is
continuously increasing. That is to say water shortage has become a global problem. Water
resources carrying capacity is the basis and prerequisite of regional socio-economic development,
which is significant to realize the coordinated development of regional "water resources-
ecological environment-socio-economy" composite system. So it has become the focus and hot
topic in water science field nowdays.
描述:
th, the demand of water resource is
continuously increasing. That is to say water shortage has become a global problem. Water
resources carrying capacity is the basis and prerequisite of regional socio-economic development,
which is significant to realize the coordinated development of regional "water resources-
ecological environment-socio-economy" composite system. So it has become the focus and hot
topic in water science field nowdays.
描述:
cal changes took place
in China. In the wars lunched against China by France, Japan and the Eight-power
Allied Forces, imperial force made its way into China step by step and China was
transforming itself into a semi-colonial, semi-feudal society.
描述:
est region,
which c
ombined with the
water-saving, agricultural soil and water conservation techniques, and then taken "
drought
resistance, reduce erosion, increase efficiency" as a principle.
描述:
isasters in China,
the earthquake caused the largest number of deaths accounted for 54% of the total
number, and 80-90% of China's earthquake occurred in rural areas.
描述:
stics of the basic
conditions for the development of agricultural industry in Jiuquan City and, the
situation of and constraints in the development of featured agricultural industry,
aiming at seeking an approach to futher develop the featured agricultural industry in
the city of Jiuquan.