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Position: Home > Articles > Evaluation Research on the Forestland Quality Rank of Shehong County Based on GIS Journal of Sichuan Forestry Science and Technology 2014,35 (2) 61-65

基于GIS的射洪县林地质量等级评价研究

作  者：
倪静;杨存建;吴瑶
单  位：
四川师范大学西南土地资源评价与监测教育部重点实验室遥感与GIS中心
关键词：
林地;质量评价;GIS;小班
摘  要：
林地是森林资源的载体和林业发展的基础,林地质量分级是林地质量分析与评价的重要指标。结合四川省射洪县林地保护利用规划,本文选用土壤厚度、土壤类型、坡度、坡向、坡位和交通区位等6项因子建立评价指标体系,采用层次分析法,以林地落界小班为单位,结合GIS空间分析方法,确定各小班的林地质量等级,并将林地划分为5个等级,Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ等级的林地面积分别为0、44.22 hm2、5 437.46 hm2、41 089.05 hm2、76.36 hm2,分别占林地总面积的0、0.09%、11.66%、88.08%、0.16%,该研究对林地保护利用和林地资源依法、科学、合理、统一管理具有重要的意义。
译  名：
Evaluation Research on the Forestland Quality Rank of Shehong County Based on GIS
作  者：
NI Jing;YANG Cun-jian;WU Yao;Research Center of ,RS & GIS,Key Lab of Land Resources Evaluation and Monitor,Sichuan Normal University;Environmental Protection Bureau of Suining City;
关键词：
Forestland,Quality evaluation,GIS,Subcompartment
摘  要：
Forestland is the carrier of forest resources and the basis of forestry development,and the forestland quality classification is an important index of quality analysis and evaluation. In combination with forestland protection and utilization planning in Shehong county of Sichuan province,and by using analytic hierarchy process method,the soil thickness,soil type,slope degree,slope,aspect,slope position and traffic location were chosen as the main 6 factors of classification of forestland quality grade,and a forestland subcompartment was chosen as the unit. Combined with the GIS spatial analysis method,the forestland were divided into Ⅰ,Ⅱ,Ⅲ,Ⅳ and Ⅴ grades,and their forestland area was 0,44. 22 hm2,5 437. 46 hm2,41 089. 05 hm2,76. 36 hm2,respectively accounting for 0,0. 09%,11. 66%,88. 08% and 0. 16% of the total forestland. This study had an important significance on forest protection and scientific,unified and reasonable management of forest resource.

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