气候变化领域集成服务门户(CCPortal): The role of forest conversion; degradation; and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas

CCPortal

DOI	10.1073/pnas.1913321117
	The role of forest conversion; degradation; and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas
	Walker W.S.; Gorelik S.R.; Baccini A.; Aragon-Osejo J.L.; Josse C.; Meyer C.; Macedo M.N.; Augusto C.; Rios S.; Katan T.; de Souza A.A.; Cuellar S.; Llanos A.; Zager I.; Mirabal G.D.; Solvik K.K.; Farina M.K.; Moutinho P.; Schwartzman S.
发表日期	2020
ISSN	0027-8424
起始页码	3015
结束页码	3025
卷号	117 期号:6
英文摘要	Maintaining the abundance of carbon stored aboveground in Amazon forests is central to any comprehensive climate stabilization strategy. Growing evidence points to indigenous peoples and local communities (IPLCs) as buffers against large-scale carbon emissions across a nine-nation network of indigenous territories (ITs) and protected natural areas (PNAs). Previous studies have demonstrated a link between indigenous land management and avoided deforestation, yet few have accounted for forest degradation and natural disturbances—processes that occur without forest clearing but are increasingly important drivers of biomass loss. Here we provide a comprehensive accounting of aboveground carbon dynamics inside and outside Amazon protected lands. Using published data on changes in aboveground carbon density and forest cover, we track gains and losses in carbon density from forest conversion and degradation/disturbance. We find that ITs and PNAs stored more than one-half (58%; 41,991 MtC) of the region’s carbon in 2016 but were responsible for just 10% (−130 MtC) of the net change (−1,290 MtC). Nevertheless, nearly one-half billion tons of carbon were lost from both ITs and PNAs (−434 MtC and −423 MtC, respectively), with degradation/disturbance accounting for >75% of the losses in 7 countries. With deforestation increasing, and degradation/disturbance a neglected but significant source of region-wide emissions (47%), our results suggest that sustained support for IPLC stewardship of Amazon forests is critical. IPLCs provide a global environmental service that merits increased political protection and financial support, particularly if Amazon Basin countries are to achieve their commitments under the Paris Climate Agreement. © 2020 National Academy of Sciences. All rights reserved.
英文关键词	Amazon; Deforestation; Forest carbon dynamics; Forest degradation; Indigenous peoples
语种	英语
scopus关键词	carbon; biomass; carbon cycle; chemistry; climate change; environmental protection; metabolism; rain forest; river; Biomass; Carbon; Carbon Cycle; Climate Change; Conservation of Natural Resources; Rainforest; Rivers
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/161060
作者单位	Walker, W.S., Woods Hole Research Center, Falmouth, MA 02540, United States; Gorelik, S.R., Woods Hole Research Center, Falmouth, MA 02540, United States; Baccini, A., Woods Hole Research Center, Falmouth, MA 02540, United States; Aragon-Osejo, J.L., Fundación EcoCiencia, Quito, 170517, Ecuador, Red Amazónica de Información Socioambiental Georreferenciada, São Paulo, 01238-001, Brazil; Josse, C., Fundación EcoCiencia, Quito, 170517, Ecuador, Red Amazónica de Información Socioambiental Georreferenciada, São Paulo, 01238-001, Brazil; Meyer, C., Environmental Defense Fund, Washington, DC 20009, United States; Macedo, M.N., Woods Hole Research Center, Falmouth, MA 02540, United States, Instituto de Pesquisa Ambiental da Amazônia, Brasília, 70863-520, Brazil; Augusto, C., Red Amazónica de Información Socioambiental Georreferenciada, São Paulo, 01238-001, Brazil, Instituto Socioambiental, São Paulo, 01238-001, Brazil; Rios, S., Red Amazónica de Información Socioambiental Georreferenciada, São Paulo, 01238-...
推荐引用方式 GB/T 7714	Walker W.S.,Gorelik S.R.,Baccini A.,et al. The role of forest conversion; degradation; and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas[J],2020,117(6).
APA	Walker W.S..,Gorelik S.R..,Baccini A..,Aragon-Osejo J.L..,Josse C..,...&Schwartzman S..(2020).The role of forest conversion; degradation; and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas.Proceedings of the National Academy of Sciences of the United States of America,117(6).
MLA	Walker W.S.,et al."The role of forest conversion; degradation; and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas".Proceedings of the National Academy of Sciences of the United States of America 117.6(2020).