Research On Forest Change Of Luoyang Area In Tang Dynasty

The dissertation takes the changes of the forest in Luoyang area in the Tang Dynasty as the research object.Luoyang area is located in "the middle of the world",the superior geographical position and rich political and cultural heritage,makes its development in Tang Dynasty,is still one of the most developed areas of politics,economy and culture in China.But this developed largely is based on the consumption of forest,forest development and consumption is proportional to the velocity,especially before the An-shi Rebellion.At present,there are few studies on the regional forest change in Tang Dynasty in China,and there are few studies about the changes of forest in Luoyang area in Tang dynasty.This paper intends to use the China ancient documents,archives,according to archaeological data,and by using some methods of natural science,such as mathematics,architecture,geography,ecology,hydrology,and so on,to investigate the situation of forest change in Luoyang area in Tang Dynasty,to find out the main reasons of the change of forest in Luoyang area in the Tang Dynasty,analyze its impact and measures which was taken to protect the forest.As far as possible in the forest changes reconstruction of Tang Dynasty in Luoyang area,to provide some reference for today's Luoyang area and similar areas of the forest and the ecological environment protection and construction of ecological civilization.The Tang Dynasty in Luoyang forest was reduced mainly by agriculture and handicraft industry development,the increase of population,all kinds of wooden building construction,firewood and funeral daily consumption,the destruction of war and other causes.Resulting in frequent floods and droughts,soil erosion,the deterioration of water environment and the reduction of animals and plants' resources,soil salinization,land desertification and climate environment deterioration and other environmental problems.With the strengthening of environmental protection consciousness of people's ecological area of Luoyang in the Tang Dynasty,has also taken some measures of afforestation,but plantations in both quantity and quality are far from natural forest there was a decreasing trend,the ecological environment is gradually deteriorating.