Integrating terrestrial and aquatic ecosystems to constrain estimates of land-atmosphere carbon exchange

被引：46

作者：

Casas-Ruiz, Joan P. ^{[1
]}

Bodmer, Pascal ^{[2
]}

Bona, Kelly Ann ^{[3
]}

Butman, David ^{[4
]}

Couturier, Mathilde ^{[2
]}

Emilson, Erik J. S. ^{[5
]}

Finlay, Kerri ^{[6
]}

Genet, Helene ^{[7
]}

Hayes, Daniel ^{[8
]}

Karlsson, Jan ^{[9
]}

Pare, David ^{[10
]}

Peng, Changhui ^{[2
]}

Striegl, Rob ^{[11
]}

Webb, Jackie ^{[12
]}

Wei, Xinyuan ^{[8
]}

Ziegler, Susan E. ^{[13
]}

del Giorgio, Paul A. ^{[2
]}

机构：

[1] Univ Girona, Inst Aquat Ecol, Res Grp Ecol Inland Waters GRECO, Girona, Spain

[2] Univ Quebec Montreal, Dept Sci Biol, Grp Rech Interuniv Limnol GRIL, Montreal, PQ, Canada

[3] Environm & Climate Change Canada, Gatineau, PQ, Canada

[4] Univ Washington, Dept Civil & Environm Engn, Seattle, WA USA

[5] Nat Resources Canada, Sault Ste Marie, ON, Canada

[6] Univ Regina, Regina, SK, Canada

[7] Univ Alaska, Fairbanks, AK USA

[8] Univ Maine, Orono, ME USA

[9] Umea Univ, Umea, Sweden

[10] Nat Resources Canada, Quebec City, PQ, Canada

[11] US Geol Survey, Boulder, CO USA

[12] Deakin Univ, Fac Sci Engn & Built Environm, Ctr Reg & Rural Futures CeRRF, Griffith, NSW, Australia

[13] Mem Univ Newfoundland, St John, NF, Canada

来源：

NATURE COMMUNICATIONS | 2023年 / 14卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SOIL ORGANIC-CARBON; BURIAL EFFICIENCY; BOREAL FORESTS; DIOXIDE FLUXES; CO2; EMISSIONS; EARTH SYSTEM; ELEVATED CO2; ACCUMULATION; DYNAMICS; SEDIMENT;

D O I：

10.1038/s41467-023-37232-2

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：

In this Perspective, we put forward an integrative framework to improve estimates of land-atmosphere carbon exchange based on the accumulation of carbon in the landscape as constrained by its lateral export through rivers. The framework uses the watershed as the fundamental spatial unit and integrates all terrestrial and aquatic ecosystems as well as their hydrologic carbon exchanges. Application of the framework should help bridge the existing gap between land and atmosphere-based approaches and offers a platform to increase communication and synergy among the terrestrial, aquatic, and atmospheric research communities that is paramount to advance landscape carbon budget assessments. One of the main sources of uncertainty in carbon budgets is that continental landscapes are made up of a heterogeneous mosaic of ecosystems. Here the authors put forward an integrative framework to improve estimates of land-atmosphere carbon exchange based on the accumulation of carbon in the landscape as constrained by its lateral export through rivers.

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