花山谜窟一渐江风景名胜区乔木林森林蓄积量估测

打开文本图片集

关键词森林蓄积量;遥感反演；随机森林；支持向量机；多元线性逐步回归

中图分类号S771.8文献标识码A

文章编号 0517-6611（2025）14-0121-05

doi：10.3969/j.issn.0517-6611.2025.14.024

开放科学（资源服务）标识码（OSID）：

Estimation of Arbor Forest Volume in Huashan Mystery Cave-Jianjiang Scenic Area

TANG Xue-ai，QANZi-yue12，WANGPei²etal（1.CollgeofForestrndLanscape Achitecture，niAgricuualUnvesiy， Hefei，Anhui 230o36;2.Anhui Provincial KeyLaboratoryofForest Resources and Silviculture，Hefei，Anhui 230036）

AbstractTheHuashanMysteryCave-JianjangScenicAreawasselectedastheresearchobjectTakingtheLandsatremotesensingageand DEMastheataosleualpogcracestsetacedelgguir sion，supportvectormacneandadomforestTeotaloelwassetedtopredicthearborvoueintestudyarea.Teftf determination（ R2 ） and the root mean square error（RMSE）of the three models were as folows：MLSR model was 0.46 and 113.14m3/hm2 ， SVM model was 0.57 and 98.36m3/hm2 ，RF model was 0.65 and 91.01 m3/hm2 .Based on the accuracy evaluation indexes，RF model was used tonvertthearborvolumeofteHuashanMysteryCace-JianjiangScenicAreandtheetimatedValueof otalvolumeandmeanvoluere spectively was 688516.275m3 and 245.467m3/hm2 .The results can provide data support for assessment of forest ecological service function in scenic spots.

Key wordsForestvolume;Remotesensing inversion;Randm forest;Support vector machine;Multiple linearstepwiseregression

作为地球上最重要的生态系统之一，森林是地球的基因库、碳贮库、蓄水库和能源库，对全球生态平衡具有重要意义，是人类和多种生物赖以生存和发展的基础，其数量和质量是决定森林经济效益和生态服务功能的关键[1]。（剩余9294字）