Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015
文献类型：期刊论文
| 作者 | Naeem, Shahid1,3; Zhang, Yongqiang1,3; Tian, Jing1,3; Qamer, Faisal Mueen2; Latif, Aamir3; Paul, Pranesh Kumar1,3 |
| 刊名 | REMOTE SENSING
 |
| 出版日期 | 2020-04-01 |
| 卷号 | 12期号:7页码:29 |
| 关键词 | anthropogenic activities climate variations vegetation productivity base period restoration period |
| DOI | 10.3390/rs12071113 |
| 通讯作者 | Zhang, Yongqiang(zhangyq@igsnrr.ac.cn) |
| 英文摘要 | Accurate assessment of vegetation dynamics provides important information for ecosystem management. Anthropogenic activities and climate variations are the major factors that primarily influence vegetation ecosystems. This study investigates the spatiotemporal impacts of climate factors and human activities on vegetation productivity changes in China from 1985 to 2015. Actual net primary productivity (ANPP) is used to reflect vegetation dynamics quantitatively. Climate-induced potential net primary productivity (PNPP) is used as an indicator of climate change, whereas the difference between PNPP and ANPP is considered as an indicator of human activities (HNPP). Overall, 91% of the total vegetation cover area shows declining trends for net primary productivity (NPP), while only 9% shows increasing trends before 2000 (base period). However, after 2000 (restoration period), 78.7% of the total vegetation cover area shows increasing trends, whereas 21.3% of the area shows decreasing trends. Moreover, during the base period, the quantitative contribution of climate change to NPP restoration is 0.21 grams carbon per meter square per year (gC m(-2) yr(-1)) and to degradation is 2.41 gC m(-2) yr(-1), while during the restoration period, climate change contributes 0.56 and 0.29 gC m(-2) yr(-1) to NPP restoration and degradation, respectively. Human activities contribute 0.36 and 0.72 gC m(-2) yr(-1) during the base period, and 0.63 and 0.31 gC m(-2) yr(-1) during the restoration period to NPP restoration and degradation, respectively. The combined effects of climate and human activities restore 0.65 and 1.11 gC m(-2) yr(-1), and degrade 2.01 and 0.67 gC m(-2) yr(-1) during the base and restoration periods, respectively. Climate factors affect vegetation cover more than human activities, while precipitation is found to be more sensitive to NPP change than temperature. Unlike the base period, NPP per unit area increases with an increase in the human footprint pressure during the restoration period. Grassland has more variability than other vegetation classes, and the grassland changes are mainly observed in Tibet, Xinjiang, and Inner Mongolia regions. The results may help policy-makers by providing necessary guidelines for the management of forest, grassland, and agricultural activities. |
| WOS关键词 | NET PRIMARY PRODUCTIVITY ; QINGHAI-TIBET PLATEAU ; QUANTITATIVE ASSESSMENT ; LAND-USE ; GRASSLAND DEGRADATION ; DRIVING FORCES ; CARBON SEQUESTRATION ; INNER-MONGOLIA ; RELATIVE ROLES ; DYNAMICS |
| 资助项目 | CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China[41971032] |
| WOS研究方向 | Remote Sensing |
| 语种 | 英语 |
| WOS记录号 | WOS:000537709600063 |
| 出版者 | MDPI |
| 资助机构 | CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/159484]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhang, Yongqiang |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 2.Int Ctr Integrated Mt Dev ICIMOD, Kathmandu 44700, Nepal 3.Univ Chinese Acad Sci UCAS, Beijing 101408, Peoples R China |
| 推荐引用方式 GB/T 7714 | Naeem, Shahid,Zhang, Yongqiang,Tian, Jing,et al. Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015[J]. REMOTE SENSING,2020,12(7):29. |
| APA | Naeem, Shahid,Zhang, Yongqiang,Tian, Jing,Qamer, Faisal Mueen,Latif, Aamir,&Paul, Pranesh Kumar.(2020).Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015.REMOTE SENSING,12(7),29. |
| MLA | Naeem, Shahid,et al."Quantifying the Impacts of Anthropogenic Activities and Climate Variations on Vegetation Productivity Changes in China from 1985 to 2015".REMOTE SENSING 12.7(2020):29. |
入库方式： OAI收割
来源：地理科学与资源研究所
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