汉语翻译成英语,不要在线翻译的,都是错的,求英语高手帮忙翻译一下问题补...

发布网友发布时间：2023-12-28 19:19

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热心网友时间：2024-08-15 20:00

This paper takes the Guyang County as the research area, with 1991,2000 and in 2007 three stage TM remote sensing image data, the establishment of the land use remote sensing image signs, in ArcGIS and Fragstats software support, access to all types of landscape attribute data and spatial data, to build spatial information database of nearly 17, Guyang County annual dynamic change of landscape spatial pattern. The main conclusions are as follows:(1) in the remote sensing and GIS technology support, the Guyang County landscape pattern index analysis shows that: from 1990 to 2007, the landscape structure has more obvious changes, residents and construction land area occupied by the proportion increased significantly, but not to study the landscape pattern influence.(2) Guyang County water area is small, uneven distribution, and decreased year by year, so this should be part of the waters as a key management on Soil and water conservation area.(3) regional landscape diversity is low, farmland and grassland landscape dominant. Grassland serious interference by human activities, landscape fragmentation index higher, due to the policy of returning farmland to forest and Beijing-Tianjin sandstorm-control program, forest fragmentation degree reduced year by year.(4) in Guyang County of unused land is saline, compared to woodland and farmland area is smaller, should continue to strengthen job of management of land salinization.(5) in the entire land cover landscape cropland and grassland area relative to the maximum, the heterogeneity of the highest cultivated land and construction land, population heterogeneity smaller minimum, waters.(6) of farmland patch density ( PD ) general trend of increase, broken degree increases, the grass patch density increases year after year that the grass is dispersed, fragmentation increased, but two a plaque area reduces year by year. And the forest patch density ( PD ) increased year by year, the area also increased year by year, in returning farmland to forest or grass land policy under the guidance of woodland patches, and the number and area were significantly increased, in the county of Guyang ecological environment construction effect is apparent.分享到
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