基于RS和GIS的县域土地利用变化分析——以西藏自治区林芝县为例
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摘要
以西藏自治区林芝地区林芝县2000年和2010年土地利用资料为基础,通过Arc GIS 10.0平台对土地利用类型数据进行定量分析,得出林芝县在10年间的土地利用变化情况。结果表明,在2000—2010年,林地大量转化为草地和耕地,导致林地面积急剧减少,而耕地和草地面积大量增加;建设用地有扩张趋势;水域面积和未利用地面积不断减少。建议严格控制林地向草地和耕地的转化,保证林地面积的不减少;建设用地的增长要有明确的规划,既要发展经济也要避免生态环境的破坏;同时对水域进行保护,避免水域的进一步减少。
Based on the data of land use in Linzhi county of Linzhi district of Tibet Autonomous Region in 2000 and 2010,quantitative analysis was conducted through the ArcGIS 10.0 platform to the land use data, and the Linzhi county in 10 years the land use changes was obtained. The results showed that during 2000 to 2010, a large number of forest land translated into grassland and cultivated land, resulting in forest area dropped sharply, and the area of cropland and grassland increased; Construction land had a trend of expansion; Water area and unused land area decreased continuously. It was suggested to strictly control the conversion of forest translate into grassland and cultivated land, and to ensure that the forest land isn't reduced again; Construction land growth should have a clear plan, not only economic development but also to avoid the destruction of the ecological environment; At the same time, It was suggested to protect the waters land to avoid further reduction.
Based on the data of land use in Linzhi county of Linzhi district of Tibet Autonomous Region in 2000 and 2010,quantitative analysis was conducted through the ArcGIS 10.0 platform to the land use data, and the Linzhi county in 10 years the land use changes was obtained. The results showed that during 2000 to 2010, a large number of forest land translated into grassland and cultivated land, resulting in forest area dropped sharply, and the area of cropland and grassland increased; Construction land had a trend of expansion; Water area and unused land area decreased continuously. It was suggested to strictly control the conversion of forest translate into grassland and cultivated land, and to ensure that the forest land isn't reduced again; Construction land growth should have a clear plan, not only economic development but also to avoid the destruction of the ecological environment; At the same time, It was suggested to protect the waters land to avoid further reduction.
引文
[1]毛腾.基于RS和GIS的土地利用动态变化分析———以南京市为例[J].辽宁农业科学,2015(6):28-31.
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[2]徐燕,周兴军.西藏巴宜区2014~2015年结核疫情分析报告[J].西藏科技,2016(12):33-34,47.
[3]宋成刚.焦作市土地利用变化及其驱动力研究[D].河南焦作:河南理工大学,2011.
[4]刘涛,徐淑琴,张云.基于RS和GIS方正县土地利用类型时空变化的研究[J].水利科技与经济,2012,18(8):67-69.
[5]刘桂芳.黄河中下游过渡区近20年来县域土地利用变化研究[D].河南开封:河南大学,2009.
[6]贾文臣,王卷乐,贾香云,等.城镇化驱动下的威海市区土地利用时空动态[J].资源科学,2008(12):1860-1865.
[7]高和平,靳晓雯,于艳华.呼和浩特市回民区耕地动态变化研究[J].内蒙古师范大学学报(自然科学汉文版),2009,38(2):222-226.
[8]苗作华,刘耀林,张德礼.基于时空的土地利用变化预测及其对策[J].国土资源科技管理,2006,23(6):1-5.
[9]王璐.艾比湖流域土地利用变化及其生态影响研究[D].乌鲁木齐:新疆农业大学,2011.
[10]曲福田.资源与环境经济学[M].第二版.北京:中国农业出版社,2011.
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