描述:
ainly chooses three aspects, the quantity and quality
of farmland, the land system and agricultural technology, to analysis the fact that the land system,
the land utilization patterns and the selection of agricultural technology are constrained by natural
environment and land resources, accordingly reveal the main-land relationship which is influenced
by natural environment. The thesis is composed of four parts.
描述:
rinciples of the theory" and "holistic principle", as the main study
followed the principles and methods, strive to occupy a wealth of research datas, focus on first-hand
information from the start, mainly from a literary perspective, but give due consideration to the
geographical composition, attempts to have a more thorough and systematic study and discussion.
描述:
society. The central
Shaanxi Province lies in the northwest inner-land, lacking in water resources. Although
there have been major farmland irrigation projects and perfect management system in
the Qin and Han Dynasty, the times of the Sui and Tang Dynasty, the situation of water
depletion could not be changed radically.
描述:
jiang,
whose formation and development is closely linked with nomadism: the source
of the Uzbek nationality is made up of many ancient nomads of the Eurasian; the
way of nomadic life lasts in the Uzbek nationality } and today's Uzbeks in
Danangou Township of Mori County in Xinjiang are still engaged in nomadism
and it is their traditional livelihood. They have created and are creating a rich
描述:
opment of agricultural tourism and to obtain
economic, social and environmental benefits of the measure of potential, but also for the effective
protection and rational exploitation of its resources of great significance.