Articles | Volume 18, issue 1
https://doi.org/10.5194/bg-18-207-2021
https://doi.org/10.5194/bg-18-207-2021
Research article
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14 Jan 2021
Research article | Highlight paper |  | 14 Jan 2021

Fire and vegetation dynamics in northwest Siberia during the last 60 years based on high-resolution remote sensing

Oleg Sizov, Ekaterina Ezhova, Petr Tsymbarovich, Andrey Soromotin, Nikolay Prihod'ko, Tuukka Petäjä, Sergej Zilitinkevich, Markku Kulmala, Jaana Bäck, and Kajar Köster

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Cited articles

Aakala, T., Hari, P., Dengel, S., Newberry, S. L., Mizunuma, T., and Grace, J.: A prominent stepwise advance of the tree line in north-east Finland, J. Ecol., 102, 1582–1591, 2014. a
Barrett, K., Rocha, A. V., van de Weg, M. J., and Shaver, G.: Vegetation shifts observed in arctic tundra 17 years after fire, Remote Sens. Lett., 3, 729–736, 2012. a, b, c
Beringer, J., Chapin III, F. S., Thompson, C. C., and McGuire, A. D.: Surface energy exchanges along a tundra-forest transition and feedbacks to climate, Agr. Forest Meteorol., 131, 143–161, 2005. a
Bernes, C., Bråthen, K. A., Forbes, B. C., Speed, J. D., and Moen, J.: What are the impacts of reindeer/caribou (Rangifer tarandus L.) on arctic and alpine vegetation? A systematic review, Environ. Evid., 4, 1–26, https://doi.org/10.1186/s13750-014-0030-3, 2015. a
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In changing climate, tundra is expected to turn into shrubs and trees, diminishing reindeer pasture and increasing risks of tick-borne diseases. However, this transition may require a disturbance. Fires in Siberia are increasingly widespread. We studied wildfire dynamics and tundra–forest transition over 60 years in northwest Siberia near the Arctic Circle. Based on satellite data analysis, we found that transition occurs in 40 %–85 % of burned tundra compared to 5 %–15 % in non-disturbed areas.
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