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Study On The Service Value Of Land Ecosystems In Fuyu County Based On GIS

Posted on:2017-04-14Degree:MasterType:Thesis
Country:ChinaCandidate:D W HanFull Text:PDF
GTID:2180330485953192Subject:Agricultural resource utilization
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Ecological environment change research has always been a hot spot in the field to discuss the global research, this is due to the ecological environment is the fundamental guarantee of our human existence, the land ecological in the whole ecosystem is in the crucial position, because the land is the foundation of human survival, it is the premise to ensure human survival.The change of land for the entire ecosystem services change is very significant. Change over time, however, the growth of population and the rapid development of economy, people in the pursuit of efficiency at the same time, but ignored the ecological system, especially the land ecological value.The frequent economic activities, the unreasonable land reclamation are mounting pressure on the land resources, leading to the change of the ecological environment, the ability of ecological system can provide services. Land resources and other resources in the ecological environment are closely related, closely connected, land use change will profoundly affect to other ecosystem environment quality.So in this paper, by applying the remote sensing and GIS technology, the access to information from 2000 to 2013, the third phase of the land use dynamic data, the analysis of land use change in Fuyu county research, on the basis of the combination of different land types of ecological service function value change, in between is discussed, based on the present situation of land use in Fuyu county, different types of ecological services value of land and the analysis of the problems existing in the research, to provide feasible suggestions for land in Fuyu county, to realize the sustainable development.This paper embarks from the actual situation in Fuyu county, on the basis of domestic and foreign research present situation and the trend of the ecological service value, and summarizes the specific research results of domestic and foreign scholars on the ecological service value, on the basis of the information during the period of 2000 to 2013, due to the change of land use changes, in turn, affect on the ecosystem services value in Fuyu county, reveals the land use change and the relationship between the ecological service value, the reasonable planning for the Fuyu county land and provide the scientific basis for sustainable development.Analyzing the following conclusions:(1) From 2000 to 2013, during the cultivated land,meadow and other land types in Fuyu county overall showed a trend of decrease; Unused land, forest land, urban and rural residents, industrial and mining land, water area is on the rise on the whole,at present the meadow increased after decreased first, showed a trend of increase after the first reduce the forest. Land types and the reduction of cultivated land is the biggest land type, among them, the variations in dry land, the biggest was decreased obviously, paddy field area is increased.(2) From 2000 to 2013, farmland, meadow ecosystem services value in Fuyu county is reduced, forest, water area, construction land and unused land types of ecosystem services value is increased.(3) From 2000 to 2013, the value of ecosystem services in the Fuyu county has been increasing. From 2006 to 2013, the increasing trend of ecosystem service value of Fuyu county was more obvious.(4) Of farmland, forest, water area ecosystem due to the high per unit area ecosystem service value, so this three kinds of ecological service value of ecosystem for the most part of the overall ecological service value in Fuyu county, to the effect of the total value of ecosystem services in Fuyu county is the largest.
Keywords/Search Tags:Fuyu County, land use change, ecological service function, land transfer matrix, sensitivity index
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