{"id":333,"date":"2026-02-21T13:39:10","date_gmt":"2026-02-21T13:39:10","guid":{"rendered":"https:\/\/sites.exeter.ac.uk\/amazon-pyrocarbon\/?page_id=333"},"modified":"2026-10-09T10:16:26","modified_gmt":"2026-10-09T10:16:26","slug":"research-findings","status":"publish","type":"page","link":"https:\/\/sites.exeter.ac.uk\/amazon-forest-to-field\/research-findings\/","title":{"rendered":"Research Findings"},"content":{"rendered":"\n\n
\"Scientist
<\/div>
<\/div>

Research Findings<\/h1><\/div><\/div><\/div>\n\n\n\n
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KEY FINDING<\/h2>\n\n

Deforestation in the Amazon does not just remove trees: it triggers a carbon cascade beneath the soil, releasing the equivalent of 1.2 times the forest’s aboveground biomass in total carbon.<\/p><\/div>\n<\/div>\n\n

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What we have found so far<\/h2>\n\n

Our measurements and modelling across southern Amazonia and the Colombian Andes, published in CATENA<\/em>, Global Change Biology<\/em>, and Communications Earth & Environment<\/em>.<\/p>\n\n

\n
\n
\n

01<\/p>\n\n

Deforestation and soil carbon stocks<\/h3>\n\n

Fire and deforestation interact to substantially reduce soil carbon stocks in southern Amazonia. Repeated burning following forest clearing depletes mineral-associated organic matter in the topsoil, with effects persisting across management cycles.<\/p>\n\n

Naval et al. 2025 →<\/a>  Montes-Pulido et al. 2025 →<\/a><\/p>\n<\/div>\n<\/div>\n\n

\n
\n

02<\/p>\n\n

Fire and land-use interactions<\/h3>\n\n

Post-deforestation burning dramatically alters pyrogenic carbon (PyC) stocks and soil organic matter fractions. Repeated fire across the southern Amazon forest–savanna transition induces floristic degradation and structural simplification even in recovering vegetation.<\/p>\n\n

Rocha et al. 2025 →<\/a>  Naval et al. 2025 →<\/a><\/p>\n<\/div>\n<\/div>\n\n

\n
\n

03<\/p>\n\n

Land management for carbon persistence<\/h3>\n\n

In the Colombian Andes, soil type and fire history interact with climate to determine how long carbon persists. Keeping forest on clay-rich, high-CEC soils gives soil carbon its strongest natural protection. Dry-season temperature extremes are rising fastest across 700,000 km² of central-north Amazonia, beyond the deforestation frontier, strengthening the case for keeping the frontier out of intact forest.<\/p>\n\n

Montes-Pulido et al. 2025 →<\/a>  Barlow et al. 2026 →<\/a><\/p>\n<\/div>\n<\/div>\n\n<\/div><\/div>\n<\/div>\n\n

\n

Science Brief & Policy Recommendations<\/h2>\n\n

Our findings are synthesised in a freely available science brief aimed at policymakers and carbon market practitioners. It sets out the evidence base and calls for soil carbon to be included in REDD+ and voluntary carbon market frameworks.<\/p>\n\n

\n
Read the full science brief<\/a><\/div>\n<\/div><\/div>\n<\/div>\n\n
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Publications<\/h2>\n\n
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Barlow, J., Carvalho, N. S., Nunes, C. A., Aguiar, A. P. D., Alencar, A., Anderson, L. O., et al., & Feldpausch, T. R. (2026). Rapid increase of climate extremes reveals new areas of concern in Amazonia. Communications Earth & Environment<\/em>, 7(1), 746. https:\/\/doi.org\/10.1038\/s43247-026-03975-1<\/a><\/p>\n<\/div>\n\n

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Naval, M. L. M., Bieluczyk, W., Alvarez, F., Carvalho, L. C. da S., Maracahipes-Santos, L., Oliveira, E. A. de, Silva, K. G. da, Pereira, M. B., Brando, P. M., Marimon Junior, B. H., Camargo, P. B. de, & Feldpausch, T. R. (2025). Impacts of repeated forest fires and agriculture on soil organic matter and health in southern Amazonia. CATENA<\/em>, 254, 108924. https:\/\/doi.org\/10.1016\/j.catena.2025.108924<\/a><\/p>\n<\/div>\n\n

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Montes-Pulido, C. R., Bird, M., da Silva Carvalho, L., Serrano, J. C., Quesada, C. A., & Feldpausch, T. R. (2025). Climatic and edaphic drivers of soil organic carbon and pyrogenic carbon stocks across elevation and land-use gradients. Global Change Biology<\/em>, 31(7). https:\/\/doi.org\/10.1111\/gcb.70135<\/a><\/p>\n<\/div>\n\n

Additional papers from the field campaign are in preparation. Check back for updates, or follow our news page<\/a> for announcements.<\/p><\/div>\n<\/div>\n

Header image credit: Ted Feldpausch<\/p>\n\n","protected":false},"excerpt":{"rendered":"

Research Findings KEY FINDING Deforestation in the Amazon does not just remove trees: it triggers a carbon cascade beneath the soil, releasing the equivalent of 1.2 times the forest’s aboveground biomass in total carbon. What we have found so far Our measurements and modelling across southern Amazonia and the Colombian Andes, published in CATENA, Global […]<\/p>\n","protected":false},"author":1,"featured_media":1169,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-333","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nResearch Findings | Amazon Forest to Field Project | University of Exeter<\/title>\n<meta name=\"description\" content=\"Learn more about the research results from the Amazon PyroCarbon Project from recent papers\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.exeter.ac.uk\/amazon-forest-to-field\/research-findings\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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