Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 12
Articles | Volume 23, issue 12
https://doi.org/10.5194/bg-23-3981-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-3981-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 12
Research article
 | 
17 Jun 2026
Research article |  | 17 Jun 2026

Point-scale organic-matter decomposition in streambeds is weakly associated with reach-scale respiration

James C. Stegen, Morgan Barnes, Dillman Delgado, Brieanne Forbes, Vanessa A. Garayburu-Caruso, Amy E. Goldman, Maggi Laan, Sophia McKever, Peter Regier, Lupita Renteria, and Scott D. Tiegs

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Short summary
Streams move and break down organic material, but it is unclear how small-scale decomposition relates to larger scale respiration. We used cotton strips at 48 sites in the Yakima River Basin, Washington, to measure decomposition and different components of river respiration. Decomposition tracked whole-river respiration more than local sediment activity, showing that spatial variation in decomposition results from integrated watershed features.
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