Timber Volume Evaluation of Intensively-managed Plantation of Poplar Based on RS Technology

FOREST RESOURCES WANAGEMENT ›› 2007›› Issue (6): 84-88.

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Timber Volume Evaluation of Intensively-managed Plantation of Poplar Based on RS Technology

WANG Lei¹, ZHANG Xinhua², SONG Naiping¹, XU Xiumei³, YANGWei⁴, XU Kun¹

1. Union Research Center for Ecology and Exploitation of Biological Resources in Western China, Key Lab. for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of Ministry of Education, Ningxia University;
2. Comprehensive Agricultural Development Office in Ningxia Hui Autonomous Region,Yinchuan 750021, China;
3. Agricultural School, Ningxia University, Yinchuan 750021;
4. School of Resources and Environment, Ningxia University, Yinchuan750021, China

Received:2007-02-10 Revised:2007-09-25 Published:2020-12-10

Abstract

Abstract: The authors of this paper choose the base of poplar forest and paper integration of Zhongye Meili Paper Industry Group in Zhongwei City as the research object, use the CBERS/CCD image and synchronous plot data, as well as method of correlation analysis to screen out two variables NDVI and RVI. The correlation coefficient between stem volume and NDVI and RVI is 0.948 and 0.981. Then three regression simulation equations are modeled for gauge stem volume based on NDVI, RVI, NDVI and RVI,respectively. The R2 of simulation equations is 0.899, 0.963 and 0.987, respectively. All the simulation equations pass the correlation examination. The forest timber volume of the target plot is 641804.70m³, 655889.57m³ and 672143.34m³ respectively.

Key words: CBERS/CCD, timber volume, regression model, intensively-managed plantation

CLC Number:

S771.8

WANG Lei, ZHANG Xinhua, SONG Naiping, XU Xiumei, YANGWei, XU Kun. Timber Volume Evaluation of Intensively-managed Plantation of Poplar Based on RS Technology[J]. FOREST RESOURCES WANAGEMENT, 2007, (6): 84-88.

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Timber Volume Evaluation of Intensively-managed Plantation of Poplar Based on RS Technology

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