贵州林业科技
貴州林業科技
귀주임업과기
GUIZHOU FORESTRY SCIENCE AND TECHNOLOGY
2012年
2期
25-30
,共6页
兰秀美%覃兆海%杨本荣%韦龙斌
蘭秀美%覃兆海%楊本榮%韋龍斌
란수미%담조해%양본영%위룡빈
林地质量%等级%上思
林地質量%等級%上思
임지질량%등급%상사
Woodland quality%rating%Shangsi
针对上思县森林分布及其生长情况,选取林地土壤厚度、海拔高、坡度、坡向、坡位、石砾含量、交通区位等7项因子作为林地质量评定因子,采用数量化理论I模型方法对林地质量进行评定。分析了林地质量各个等级的空间分布,得出了林地质量评定结果较符合实际,可以满足编制林地保护利用规划要求,并为今后林地小班选择造林树种提供了依据的结论。
針對上思縣森林分佈及其生長情況,選取林地土壤厚度、海拔高、坡度、坡嚮、坡位、石礫含量、交通區位等7項因子作為林地質量評定因子,採用數量化理論I模型方法對林地質量進行評定。分析瞭林地質量各箇等級的空間分佈,得齣瞭林地質量評定結果較符閤實際,可以滿足編製林地保護利用規劃要求,併為今後林地小班選擇造林樹種提供瞭依據的結論。
침대상사현삼림분포급기생장정황,선취임지토양후도、해발고、파도、파향、파위、석력함량、교통구위등7항인자작위임지질량평정인자,채용수양화이론I모형방법대임지질량진행평정。분석료임지질량각개등급적공간분포,득출료임지질량평정결과교부합실제,가이만족편제임지보호이용규화요구,병위금후임지소반선택조림수충제공료의거적결론。
In order to prepare the forest land protection and utilization planning for Shangsi County in Guangxi province, woodland in small classes in this region were conduted one by one for quality grading assessment. According to the forest distribution and growth performance, 7 indices were selected as the factors for the woodland rating factors including thickness of the soil, altitude, slope, aspect, slope position, gravel content, traffic location, taking the quantification theory I as the modeling tool. Results of the study tally well with the actual situation, and thus meet well the requirement for the preparation of forest protection and utilization planning and provide theoretical basis for the selection of reforestation species.