Tropical forests as drivers of lake carbon burial

Leonardo Amora-Nogueira; Christian J. Sanders; Alex Enrich-Prast; Luciana Silva Monteiro Sanders; Rodrigo Coutinho Abuchacra; Patricia F. Moreira-Turcq; Renato Campello Cordeiro; Vincent Gauci; Luciane Silva Moreira; Fausto Machado-Silva; Renata Libonati; Thairiny Fonseca; Cristiane Nunes Francisco; Humberto Marotta

doi:10.1038/s41467-022-31258-8

Tropical forests as drivers of lake carbon burial

Leonardo Amora-Nogueira, Christian J. Sanders, Alex Enrich-Prast^*, Luciana Silva Monteiro Sanders, Rodrigo Coutinho Abuchacra, Patricia F. Moreira-Turcq, Renato Campello Cordeiro, Vincent Gauci, Luciane Silva Moreira, Fausto Machado-Silva, Renata Libonati, Thairiny Fonseca, Cristiane Nunes Francisco, Humberto Marotta^*

^*Corresponding author for this work

Geography, Earth and Environmental Sciences

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Abstract

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 ~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 7.4 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.

Original language	English
Article number	4051
Number of pages	7
Journal	Nature Communications
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41467-022-31258-8
Publication status	Published - 13 Jul 2022

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Author Correction: Tropical forests as drivers of lake carbon burial
Amora-Nogueira, L., Sanders, C. J., Enrich-Prast, A., Sanders, L. S. M., Abuchacra, R. C., Moreira-Turcq, P. F., Cordeiro, R. C., Gauci, V., Moreira, L. S., Machado-Silva, F., Libonati, R., Fonseca, T., Francisco, C. N. & Marotta, H., 6 Jun 2023, In: Nature Communications. 14, 1, 1 p., 3282.
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Amora-Nogueira, L., Sanders, C. J., Enrich-Prast, A., Sanders, L. S. M., Abuchacra, R. C., Moreira-Turcq, P. F., Cordeiro, R. C., Gauci, V., Moreira, L. S., Machado-Silva, F., Libonati, R., Fonseca, T., Francisco, C. N., & Marotta, H. (2022). Tropical forests as drivers of lake carbon burial. Nature Communications, 13(1), Article 4051. https://doi.org/10.1038/s41467-022-31258-8

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abstract = "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 ~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 7.4 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.",

author = "Leonardo Amora-Nogueira and Sanders, {Christian J.} and Alex Enrich-Prast and Sanders, {Luciana Silva Monteiro} and Abuchacra, {Rodrigo Coutinho} and Moreira-Turcq, {Patricia F.} and Cordeiro, {Renato Campello} and Vincent Gauci and Moreira, {Luciane Silva} and Fausto Machado-Silva and Renata Libonati and Thairiny Fonseca and Francisco, {Cristiane Nunes} and Humberto Marotta",

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AU - Amora-Nogueira, Leonardo

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AU - Sanders, Luciana Silva Monteiro

AU - Abuchacra, Rodrigo Coutinho

AU - Moreira-Turcq, Patricia F.

AU - Cordeiro, Renato Campello

AU - Gauci, Vincent

AU - Moreira, Luciane Silva

AU - Machado-Silva, Fausto

AU - Libonati, Renata

AU - Fonseca, Thairiny

AU - Francisco, Cristiane Nunes

AU - Marotta, Humberto

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AB - 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 ~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 7.4 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.

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JO - Nature Communications

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ER -

Tropical forests as drivers of lake carbon burial

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