干旱区生态环境知识资源中心(Arid): Sub-continental-scale carbon stocks of individual trees in African drylands

Arid

DOI	10.1038/s41586-022-05653-6
	Sub-continental-scale carbon stocks of individual trees in African drylands
	Tucker, Compton; Brandt, Martin; Hiernaux, Pierre; Kariryaa, Ankit; Rasmussen, Kjeld; Small, Jennifer; Igel, Christian; Reiner, Florian; Melocik, Katherine; Meyer, Jesse; Sinno, Scott; Romero, Eric; Glennie, Erin; Fitts, Yasmin; Morin, August; Pinzon, Jorge; McClain, Devin; Morin, Paul; Porter, Claire; Loeffler, Shane; Kergoat, Laurent; Issoufou, Bil-Assanou; Savadogo, Patrice; Wigneron, Jean-Pierre; Poulter, Benjamin; Ciais, Philippe; Kaufmann, Robert; Myneni, Ranga; Saatchi, Sassan; Fensholt, Rasmus
通讯作者	Tucker, C
来源期刊	NATURE
ISSN	0028-0836
EISSN	1476-4687
出版年	2023
卷号	615 期号:7950 页码:80-+
英文摘要	The distribution of dryland trees and their density, cover, size, mass and carbon content are not well known at sub-continental to continental scales(1-14). This information is important for ecological protection, carbon accounting, climate mitigation and restoration efforts of dryland ecosystems(15-18). We assessed more than 9.9 billion trees derived from more than 300,000 satellite images, covering semi-arid sub-Saharan Africa north of the Equator. We attributed wood, foliage and root carbon to every tree in the 0-1,000 mm year(-1) rainfall zone by coupling field data(19), machine learning(20-22), satellite data and high-performance computing. Average carbon stocks of individual trees ranged from 0.54 Mg C ha(-1) and 63 kg C tree(-1) in the arid zone to 3.7 Mg C ha(-1) and 98 kg tree(-1) in the sub-humid zone. Overall, we estimated the total carbon for our study area to be 0.84 (& PLUSMN;19.8%) Pg C. Comparisons with 14 previous TRENDY numerical simulation studies(23) for our area found that the density and carbon stocks of scattered trees have been underestimated by three models and overestimated by 11 models, respectively. This benchmarking can help understand the carbon cycle and address concerns about land degradation(24-29). We make available a linked database of wood mass, foliage mass, root mass and carbon stock of each tree for scientists, policymakers, dryland-restoration practitioners and farmers, who can use it to estimate farmland tree carbon stocks from tablets or laptops.
类型	Article
语种	英语
开放获取类型	Green Published, hybrid
收录类别	SCI-E
WOS记录号	WOS:000975480700002
WOS关键词	ALLOMETRIC EQUATIONS ; CLIMATE-CHANGE ; BIOMASS MAP ; FOREST ; DESERTIFICATION ; SAHEL ; DEFORESTATION ; LIVELIHOODS ; DENSITY
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397899
推荐引用方式 GB/T 7714	Tucker, Compton,Brandt, Martin,Hiernaux, Pierre,et al. Sub-continental-scale carbon stocks of individual trees in African drylands[J],2023,615(7950):80-+.
APA	Tucker, Compton.,Brandt, Martin.,Hiernaux, Pierre.,Kariryaa, Ankit.,Rasmussen, Kjeld.,...&Fensholt, Rasmus.(2023).Sub-continental-scale carbon stocks of individual trees in African drylands.NATURE,615(7950),80-+.
MLA	Tucker, Compton,et al."Sub-continental-scale carbon stocks of individual trees in African drylands".NATURE 615.7950(2023):80-+.