Tropical forests as drivers of lake carbon burial

被引：18

作者：

Amora-Nogueira, Leonardo ^{[1
,2
,3
]}

Sanders, Christian J. ^{[4
]}

Enrich-Prast, Alex ^{[5
,6
,7
]}

Monteiro Sanders, Luciana Silva ^{[1
,2
,3
,8
]}

Abuchacra, Rodrigo Coutinho ^{[1
,9
]}

Moreira-Turcq, Patricia F. ^{[10
]}

Cordeiro, Renato Campello ^{[3
]}

Gauci, Vincent ^{[11
,12
]}

Moreira, Luciane Silva ^{[3
]}

Machado-Silva, Fausto ^{[13
,14
]}

Libonati, Renata ^{[14
,15
,16
]}

Fonseca, Thairiny ^{[1
,2
,3
]}

Francisco, Cristiane Nunes ^{[17
]}

Marotta, Humberto ^{[1
,2
,3
]}

机构：

[1] Biomass & Water Management Res Ctr NAB UFF, Ecosyst & Global Change Lab LEMG UFF, Int Lab Global Change LINCGlobal, Niteroi, RJ, Brazil

[2] Fluminense Fed Univ UFF, Dept Geog, Phys Geog Lab LAGEF UFF, Grad Program Geog, Niteroi, RJ, Brazil

[3] Fluminense Fed Univ, Grad Program Geosci Environm Geochem, Niteroi, RJ, Brazil

[4] Southern Cross Univ, Fac Sci & Engn, Natl Marine Sci Ctr, POB 4321, Coffs Harbour, NSW 2450, Australia

[5] Linkoping Univ, Biogas Res Ctr, SE-58183 Linkoping, Sweden

[6] Linkoping Univ, Dept Themat Studies Environm Change, SE-58183 Linkoping, Sweden

[7] Univ Fed Rio de Janeiro, Inst Sea, Dept Marine Sci, Multiuser Unit Environm Anal, Av Carvalho de Mendonca 144, Rio De Janeiro, Brazil

[8] Southern Cross Univ, GeoSci, Environm Sci Engn, Lismore, NSW, Australia

[9] State Univ Rio de Janeiro UERJ FFP, Dept Geog, Grad Program Geog, Rua Dr Francisco Portela 1470, BR-24435005 Sao Goncalo, RJ, Brazil

[10] Inst Rech Dev IRD, Geosci Environm Toulouse GET, UMR 5563, Toulouse, France

[11] Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England

[12] Univ Birmingham, Birmingham Inst Forest Res BIFoR, Birmingham B15 2TT, W Midlands, England

[13] Univ Toledo, Dept Environm Sci, Toledo, OH 43606 USA

[14] Univ Fed Rio de Janeiro, Geosci Inst, Dept Meteorol, BR-21941916 Rio De Janeiro, Brazil

[15] Univ Lisbon, Fac Ciencias, Inst Dom Luiz, P-1749016 Lisbon, Portugal

[16] Univ Lisbon, Forest Res Ctr, Sch Agr, P-1349017 Lisbon, Portugal

[17] Fluminense Fed Univ, Dept Geoenvironm Anal, Niteroi, RJ, Brazil

来源：

NATURE COMMUNICATIONS | 2022年 / 13卷 / 01期

关键词：

ORGANIC-CARBON; AMAZON RIVER; ACCUMULATION; RESERVOIRS; SEDIMENTS; NITROGEN; WETLANDS; TRENDS; WORLDS; SINKS;

D O I：

10.1038/s41467-022-31258-8

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：

A significant proportion of carbon (C) captured by terrestrial primary production is buried in lacustrine ecosystems, which have been substantially affected by anthropogenic activities globally. However, there is a scarcity of sedimentary organic carbon (OC) accumulation information for lakes surrounded by highly productive rainforests at warm tropical latitudes, or in response to land cover and climate change. Here, we combine new data from intensive campaigns spanning 13 lakes across remote Amazonian regions with a broad literature compilation, to produce the first spatially-weighted global analysis of recent OC burial in lakes (over similar to 50-100-years) that integrates both biome type and forest cover. We find that humid tropical forest lake sediments are a disproportionately important global OC sink of similar to 80 Tg C yr(-1) with implications for climate change. Further, we demonstrate that temperature and forest conservation are key factors in maintaining massive organic carbon pools in tropical lacustrine sediments.

引用

页数：7

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