Forest diversity and environmental factors shape contrasting soil-litter fluxes of biogenic volatile organic compounds and  methane in three central Amazonian ecosystems

Pinheiro-Oliveira, Débora; van Asperen, Hella; Garcia Caetano, Murielli; Robin, Michelle; Edtbauer, Achim; Zannoni, Nora; Byron, Joseph; Williams, Jonathan; Oreste Demarchi, Layon; Fernandez Piedade, Maria Teresa; Schöngart, Jochen; Wittmann, Florian; Duvoisin-Junior, Sergio; Batista, Carla; Augusto Ferreira de Souza, Rodrigo; Gomes Alves, Eliane

doi:10.5194/bg-23-2451-2026

Articles | Volume 23, issue 7

https://doi.org/10.5194/bg-23-2451-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-23-2451-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 7

Research article

|

15 Apr 2026

Research article |

| 15 Apr 2026

Forest diversity and environmental factors shape contrasting soil-litter fluxes of biogenic volatile organic compounds and methane in three central Amazonian ecosystems

Débora Pinheiro-Oliveira, Hella van Asperen, Murielli Garcia Caetano, Michelle Robin, Achim Edtbauer, Nora Zannoni, Joseph Byron, Jonathan Williams, Layon Oreste Demarchi, Maria Teresa Fernandez Piedade, Jochen Schöngart, Florian Wittmann, Sergio Duvoisin-Junior, Carla Batista, Rodrigo Augusto Ferreira de Souza, and Eliane Gomes Alves

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Cumulative views and downloads (calculated since 01 Jul 2025)

Month	HTML	PDF	XML	Total
Jul 2025	272	80	16	368
Aug 2025	386	60	12	458
Sep 2025	1,098	34	14	1,146
Oct 2025	144	44	20	208
Nov 2025	140	64	14	218
Dec 2025	64	84	12	160
Jan 2026	100	74	10	184
Feb 2026	110	36	2	148
Mar 2026	152	58	8	218
Apr 2026	386	142	15	543
May 2026	236	64	18	318
Jun 2026	31	21	11	63
Jul 2026	64	53	72	189
Aug 2026	61	25	45	131
Sep 2026	242	214	151	607
Oct 2026	128	62	69	259

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Short summary

Forests release trace gases that influence air and climate. While plants are the main source, soil and leaf litter can also release significant amounts, especially in tropical forests like the Amazon. We measured these fluxes in different forest types and found soil and litter to be active sources and sinks. This can improves climate models by including realistic forest processes, vital for understanding and protecting the Amazon.