Natural climate solutions for Canada

被引：148

作者：

Drever, C. Ronnie ^{[1
]}

Cook-Patton, Susan C. ^{[2
,3
]}

Akhter, Fardausi ^{[4
]}

Badiou, Pascal H. ^{[5
]}

Chmura, Gail L. ^{[6
]}

Davidson, Scott J. ^{[7
]}

Desjardins, Raymond L. ^{[8
]}

Dyk, Andrew ^{[9
]}

Fargione, Joseph E. ^{[10
]}

Fellows, Max ^{[9
]}

Filewod, Ben ^{[11
]}

Hessing-Lewis, Margot ^{[12
]}

Jayasundara, Susantha ^{[13
]}

Keeton, William S. ^{[14
]}

Kroeger, Timm ^{[2
]}

Lark, Tyler J. ^{[15
]}

Le, Edward ^{[16
]}

Leavitt, Sara M. ^{[2
]}

Leclerc, Marie-Eve ^{[9
]}

Lempriere, Tony C. ^{[17
]}

Metsaranta, Juha ^{[18
]}

McConkey, Brian ^{[19
]}

Neilson, Eric ^{[9
]}

St-Laurent, Guillaume Peterson ^{[20
]}

Puric-Mladenovic, Danijela ^{[11
]}

Rodrigue, Sebastien ^{[18
]}

Soolanayakanahally, Raju Y. ^{[4
]}

Spawn, Seth A. ^{[15
]}

Strack, Maria ^{[7
]}

Smyth, Carolyn ^{[9
]}

Thevathasan, Naresh ^{[13
]}

Voicu, Mihai ^{[18
]}

Williams, Christopher A. ^{[21
]}

Woodbury, Peter B. ^{[22
]}

Worth, Devon E. ^{[8
]}

Xu, Zhen ^{[16
]}

Yeo, Samantha ^{[2
]}

Kurz, Werner A. ^{[9
]}

机构：

[1] Nat United, Ottawa, ON, Canada

[2] Nature Conservancy, Arlington, VA USA

[3] Smithsonian Conservat Biol Inst, Front Royal, VA USA

[4] Agr & Agri Food Canada, Indian Head, SK, Canada

[5] Ducks Unlimited Canada, Inst Wetland & Waterfowl Res, Stonewall, MB, Canada

[6] McGill Univ, Montreal, PQ, Canada

[7] Univ Waterloo, Waterloo, ON, Canada

[8] Agr & Agri Food Canada, Ottawa, ON, Canada

[9] Nat Resources Canada, Canadian Forest Serv, Victoria, BC, Canada

[10] Nature Conservancy, Minneapolis, MN USA

[11] Univ Toronto, Toronto, ON, Canada

[12] Hakai Inst, Quadra Isl, BC, Canada

[13] Univ Guelph, Guelph, ON, Canada

[14] Univ Vermont, Burlington, VT USA

[15] Univ Wisconsin, Madison, WI USA

[16] Nat Resources Canada, Canadian Forest Serv, Ottawa, ON, Canada

[17] Nat Resources Canada, Canadian Forest Serv, Toronto, ON, Canada

[18] Nat Resources Canada, Canadian Forest Serv, Edmonton, AB, Canada

[19] Viresco Solut, Victoria, BC, Canada

[20] Univ British Columbia, Vancouver, BC, Canada

[21] Clark Univ, Worcester, MA 01610 USA

[22] Cornell Univ, Ithaca, NY USA

来源：

SCIENCE ADVANCES | 2021年 / 7卷 / 23期

关键词：

SCALE DEFORESTATION; ECOSYSTEM SERVICES; CHANGE MITIGATION; LAND MANAGEMENT; BOREAL FOREST; ALBEDO CHANGE; CARBON; FEEDBACKS; OFFSET; BIODIVERSITY;

D O I：

10.1126/sciadv.abd6034

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Alongside the steep reductions needed in fossil fuel emissions, natural climate solutions (NCS) represent readily deployable options that can contribute to Canada's goals for emission reductions. We estimate the mitigation potential of 24 NCS related to the protection, management, and restoration of natural systems that can also deliver numerous co-benefits, such as enhanced soil productivity, clean air and water, and biodiversity conservation. NCS can provide up to 78.2 (41.0 to 115.1) Tg CO(2)e/year (95% CI) of mitigation annually in 2030 and 394.4 (173.2 to 612.4) Tg CO(2)e cumulatively between 2021 and 2030, with 34% available at <= CAD 50/Mg CO(2)e. Avoided conversion of grassland, avoided peatland disturbance, cover crops, and improved forest management offer the largest mitigation opportunities. The mitigation identified here represents an important potential contribution to the Paris Agreement, such that NCS combined with existing mitigation plans could help Canada to meet or exceed its climate goals.

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