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	Dynamic assessment of forest resources quality at the provincial level using AHP and cluster analysis
	Feng J. G.; Wang, J. S.; Yao, S. C.; Ding, L. B.
	2016
关键词	Forest resources quality Analytic hierarchy process Hierarchical cluster analysis Forest management National Forest Inventory China analytic hierarchy process system china area gis management indicator fires model water
英文摘要	The aim of this study was to quantitatively assess and analyze the dynamic changes and current problems of Chinese forest resources based on the National Forest Inventory. (NFI). In this study, a hierarchical model was established using the analytic hierarchy process to assess forest resources quality (FRQ) at the provincial level. Four criteria were used, including forest quantity, forest productivity, forest structure, and forest health and each criterion was further composed of multiple factors. Among these assessment factors, stock volume per unit area was the most important, while canopy structure was the least important. The ranges of FRQ Indies across China during the 6th NFI (1999-2003), 7th NFI (2004-2008), and 8th NFI (2009-2013) were 0.3031-0.6366, 0.3499-0.7186, and 0.3534-0.7555, respectively. From the 6th to 8th NFI forest quality improved by different degrees for all provinces, whereas the other three criteria presented an increasing or decreasing trend. In general, the implementation of ecological projects has significantly improved the FRQ at provincial and national levels. During the 8th NFI the FRQ levels were excellent for 3 provinces, good for 15 provinces, medium for 12 provinces, and only one province exhibited an inferior level of FRQ. Based on cluster analysis, Chinese forest resources during the 8th NFI could be grouped into four clusters according to the provincial administrative region, and each cluster had its own advantages and disadvantages. Stock volume increment and forest calamity were in a very good state, while canopy structure was the key factor limiting the FQR for all the clusters. Some relevant measures were proposed to improve the existing conditions of Chinese forest resources. The results of this study are significant in that they can provide theoretical and technical references for future adjustment and sustainable management of forest resources in China. (c) 2016 Elsevier B.V. All rights reserved.
出处	Computers and Electronics in Agriculture
卷	124
页	184-193
收录类别	SCI
语种	英语
ISSN号	0168-1699
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/43450]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Feng J. G.,Wang, J. S.,Yao, S. C.,et al. Dynamic assessment of forest resources quality at the provincial level using AHP and cluster analysis. 2016.

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