Research on the evolution and driving mechanism of ecological land pattern in Vietnam
In this paper,the land use data of Vietnam in 2000,2010 and 2020 were collected,and the composition,pattern and driving mechanism of ecological land in Vietnam were re-searched by means of a land use transfer matrix,land use transfer map,standard deviation ellipse and wavelet coherence model.The results show that:1)The spatial distribution of ecological land in Vietnam showed a spatial pattern of a large number in the northwest and a small number in the southeast.Among the types of ecological land in Vietnam,forest land accounted for the highest proportion,reaching 85.8％of the total area of ecological land in 2020,with obvious spatial agglomeration characteristics.2)From 2000 to 2020,the area of ecological land de-creased from 190 012.06 km2 to 178 545.07 km2,and the area of each type of ecological land decreased continuously and slowly.The area of ecological land transfer was 2.62 times the area of transfer.The main types of ecological land transfer were forest land and shrub land to cultivat-ed land.The main types of ecological land transfer were cultivated land to forest land.The con-version of ecological land was mainly concentrated in the Red River Delta,Huanglian Moun-tains and other places.3)The evolution of ecological land use patterns is reflected in the driving mechanism of power-response-result.Agricultural economic development is the main reason for the extrusion of ecological land use pattern.Urbanization,industrialization and global climate are important measures to determine the direction of ecological land transformation.Ecological protection and ecotourism development play an engine role in maintaining important functions.
ecological land patternspace-time evolutiondriving mechanismVietnam
NETL
NSTL
万方数据
