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Mapping spatial distribution of forest age in China
Zhang, Y (Zhang, Yuan)1; Yao, YT (Yao, Yitong)1; Wang, XH (Wang, Xuhui)1; Liu, YW (Liu, Yongwen)1; Piao, SL (Piao, Shilong)1,2; Piao, SL
AbstractForest stand age is a meaningful metric, which reflects the past disturbance legacy, provides guidelines for forest management practices, and is an important factor in qualifying forest carbon cycles and carbon sequestration potential. Reliable large-scale forest stand age information with high spatial resolutions, however, is difficult to obtain. In this study, we developed a top-down method to downscale the provincial statistics of national forest inventory data into 1km stand age map using climate data and light detection and ranging-derived forest height. We find that the distribution of forest stand age in China is highly heterogeneous across the country, with a mean value of similar to 42.6years old. The relatively young stand age for Chinese forests is mostly due to the large proportion of newly planted forests (0-40years old), which are more prevailing in south China. Older forests (stand age > 60years old) are more frequently found in east Qinghai-Tibetan Plateau and the central mountain areas of west and northeast China, where human activities are less intensive. Among the 15 forest types, forests dominated by species of Taxodiaceae, with the exception of Cunninghamia lanceolata stands, have the oldest mean stand age (136years), whereas Pinus massoniana forests are the youngest (18years). We further identified uncertainties associated with our forest age map, which are high in west and northeast China. Our work documents the distribution of forest stand age in China at a high resolution which is useful for carbon cycle modeling and the sustainable use of China's forest resources.
Subject Area普通生物学
WOS IDWOS:000399352500001
Indexed BySCI
WOS Research AreaAstronomy & Astrophysics; Geology
WOS SubjectAstronomy & Astrophysics; Geosciences, Multidisciplinary ; Astronomy & Astrophysics; Geology
Cooperation Status国内
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorPiao, SL
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing, Peoples R China.
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China.
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Y ,Yao, YT ,Wang, XH ,et al. Mapping spatial distribution of forest age in China[J]. EARTH AND SPACE SCIENCE,2017,4(3):108-116.
APA Zhang, Y ,Yao, YT ,Wang, XH ,Liu, YW ,Piao, SL ,&Piao, SL.(2017).Mapping spatial distribution of forest age in China.EARTH AND SPACE SCIENCE,4(3),108-116.
MLA Zhang, Y ,et al."Mapping spatial distribution of forest age in China".EARTH AND SPACE SCIENCE 4.3(2017):108-116.
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