Articles | Volume 18, issue 10
https://doi.org/10.5194/bg-18-3243-2021
https://doi.org/10.5194/bg-18-3243-2021
Research article
 | 
01 Jun 2021
Research article |  | 01 Jun 2021

The impact of wildfire on biogeochemical fluxes and water quality in boreal catchments

Gustaf Granath, Christopher D. Evans, Joachim Strengbom, Jens Fölster, Achim Grelle, Johan Strömqvist, and Stephan J. Köhler

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Cited articles

Ahlgren, I. F. and Ahlgren, C. E.: Ecological effects of forest fires, Bot. Rev., 26, 483–533, https://doi.org/10.1007/BF02940573, 1960. 
Amiro, B. D., Chen, J. M., and Liu, J.: Net primary productivity following forest fire for Canadian ecoregions, Can. J. For. Res., 30, 939–947, https://doi.org/10.1139/x00-025, 2000. 
Amiro, B. D., MacPherson, J. I., Desjardins, R. L., Chen, J. M., and Liu, J.: Post-fire carbon dioxide fluxes in the western Canadian boreal forest: evidence from towers, aircraft and remote sensing, Agr. Forest Meteorol., 115, 91–107, https://doi.org/10.1016/S0168-1923(02)00170-3, 2003. 
Aubinet, M., Grelle, A., Ibrom, A., Rannik, Ü., Moncrieff, J., Foken, T., Kowalski, A. S., Martin, P. H., Berbigier, P., Bernhofer, Ch., Clement, R., Elbers, J., Granier, A., Grünwald, T., Morgenstern, K., Pilegaard, K., Rebmann, C., Snijders, W., Valentini, R., and Vesala, T.: Estimates Of The Annual Net Carbon And Water Exchange Of Forests: The EUROFLUX methodology, in: Advances in Ecological Research, Vol. 30, edited by: Fitter, A. H. and Raffaelli, D. G., 113–175, Academic Press, 1999. 
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We measured element losses and impacts on water quality following a wildfire in Sweden. We observed the largest carbon and nitrogen losses during the fire and a strong pulse of elements 1–3 months after the fire that showed a fast (weeks) and a slow (months) release from the catchments. Total carbon export through water did not increase post-fire. Overall, we observed a rapid recovery of the biogeochemical cycling of elements within 3 years but still an annual net release of carbon dioxide.
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