Plant community composition explains spatial variation  in year-round methane fluxes in a boreal rich fen

Järvi-Laturi, Eeva; Tahvanainen, Teemu; Koskinen, Eero; López-Blanco, Efrén; Lämsä, Juho; Marttila, Hannu; Mastepanov, Mikhail; Paavola, Riku; Väisänen, Maria; Christensen, Torben R.

doi:10.5194/bg-22-6343-2025

Articles | Volume 22, issue 21

https://doi.org/10.5194/bg-22-6343-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-22-6343-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 21

Research article

|

05 Nov 2025

Research article |

| 05 Nov 2025

Plant community composition explains spatial variation in year-round methane fluxes in a boreal rich fen

Eeva Järvi-Laturi, Teemu Tahvanainen, Eero Koskinen, Efrén López-Blanco, Juho Lämsä, Hannu Marttila, Mikhail Mastepanov, Riku Paavola, Maria Väisänen, and Torben R. Christensen

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Jun 2025	44	8	8	60
Jul 2025	46	14	2	62
Aug 2025	346	14	2	362
Sep 2025	1,182	8	22	1,212
Oct 2025	62	30	2	94
Nov 2025	378	96	20	494
Dec 2025	133	69	32	234
Jan 2026	152	106	24	282
Feb 2026	157	70	5	232
Mar 2026	159	170	12	341
Apr 2026	107	130	9	246
May 2026	72	78	11	161
Jun 2026	22	30	5	57
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Aug 2026	57	36	24	117
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Cumulative views and downloads (calculated since 05 Feb 2025)

Month	HTML	PDF	XML	Total
Feb 2025	268	48	8	324
Mar 2025	130	36	4	170
Apr 2025	114	26	10	150
May 2025	66	12	2	80
Jun 2025	44	8	8	60
Jul 2025	46	14	2	62
Aug 2025	346	14	2	362
Sep 2025	1,182	8	22	1,212
Oct 2025	62	30	2	94
Nov 2025	378	96	20	494
Dec 2025	133	69	32	234
Jan 2026	152	106	24	282
Feb 2026	157	70	5	232
Mar 2026	159	170	12	341
Apr 2026	107	130	9	246
May 2026	72	78	11	161
Jun 2026	22	30	5	57
Jul 2026	64	69	12	145
Aug 2026	57	36	24	117
Sep 2026	172	172	130	474

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Short summary

Our research investigates how plant community composition influences methane emissions in a northern boreal rich fen. We measured methane fluxes year-round using manual chambers across 36 plots. Our findings suggest that sedges, particularly Carex rostrata, significantly impact the fluxes throughout the year. This study enhances our understanding of vegetation-driven methane emissions, providing valuable insights for predicting future changes in peatland methane emissions.