Climate change enhances the positive contribution of human activities to vegetation restoration in China

被引：15

作者：

Liu, Min ^{[1
,2
]}

Bai, Xiaoyong ^{[1
,3
,4
]}

Tan, Qiu ^{[2
]}

Luo, Guangjie ^{[5
]}

Zhao, Cuiwei ^{[2
]}

Wu, Luhua ^{[1
,3
,4
]}

Luo, Xuling ^{[1
,2
]}

Ran, Chen ^{[1
,2
]}

Zhang, Sirui ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang, Guizhou, Peoples R China

[2] Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang, Peoples R China

[3] CAS Ctr Excellence Quaternary Sci & Global Change, Xian, Shanxi, Peoples R China

[4] Chinese Acad Sci, Puding Karst Ecosyst Observat & Res Stn, Puding, Guizhou, Peoples R China

[5] Guizhou Educ Univ, Guizhou Prov Key Lab Geog State Monitoring Waters, Guiyang, Peoples R China

来源：

GEOCARTO INTERNATIONAL | 2022年 / 37卷 / 26期

基金：

中国国家自然科学基金;

关键词：

Vegetation restoration; climate change; human activity; net primary production; NET PRIMARY PRODUCTION; QINGHAI-TIBET PLATEAU; WATER-USE EFFICIENCY; ECOLOGICAL RESTORATION; PRIMARY PRODUCTIVITY; QUANTITATIVE ASSESSMENT; TERRESTRIAL ECOSYSTEMS; CARBON SEQUESTRATION; GRASSLAND DEGRADATION; TEMPERATURE;

D O I：

10.1080/10106049.2022.2082542

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ecological projects have huge impacts on vegetation restoration (VR) in China. However, are all of the effects due to human activities (HA) without the contribution of climate change (CC)? It is unclear what role CC plays in VR. Here, we quantitatively evaluate the contributions of climate change and human activities (CC_con and HA_con) to the net primary productivity (NPP) by the method of partial derivative and six different scenarios. HA contributed 61.19% to the NPP trend and controlled 32.84% of the NPP growth in China. Among the climate factors, temperature made the largest contribution to the NPP (45.89%) and had the largest control area (36.36%). CC promoted the positive HA_con in 54% of China, and in 68.35% of the area, the enhancement effect reached more than 50%. Our results answer a longstanding question and emphasize the important role of CC in enhancing the positive HA_con to VR.

引用

页码：13479 / 13499

页数：21

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