高分辨率影像在森林采伐限额执行情况检查中的应用技术改进

在介绍我国现行采伐限额执行情况检查技术思路的基础上,分析其存在的不足,并提出具体的改进方法和建议:利用地理信息系统进行样地布设和判读、利用高分辨率影像判读有证伐区的采伐情况、对无证成片采伐改全面判读验证为抽样判读实测、加强对大面积无证大片采伐和重大毁林案件的监测力度等。该方法的应用可以充分挖掘高分辨率影像的优势和潜力,降低外业踏查工作量,增加成果数据的准确度,提高检查工作效率,为森林资源管理和监测工作提供参考和借鉴。

Technical Improvements of Application of High - resolution Remote Sensing Image in the Forest Cutting Quota Inspection

On the basis of current technical methods for the cutting quota inspection,analysis was made on the shortcomings,and the following ways of improvement were put forward for layout and interpretation of sample plots by means of geographic information system and emote sensing image.The border of clear cutting area was interpreted through remote sensing images with high resolution;the total area of deforestation was estimated through sampling,not through comprehensive survey;the enforcement of large area of deforestation was improved.Application of these ways may fully dig the advantages and potential of application of high-resolution remote sensing image in the cutting quota inspection,which reduces the workload,increases pertinence of conclusion of investigation,and improves work efficiency,provides more reliable reference for managing and monitoring of the forest resources.