WFRF:(Pugh Thomas A M)
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- Pugh, Thomas A.M.University of Birmingham (author)
Important role of forest disturbances in the global biomass turnover and carbon sinks
- Article/chapterEnglish2019
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- 2019-08-12
- Springer Science and Business Media LLC,2019
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- LIBRIS-ID:oai:lup.lub.lu.se:8f6dd552-2035-4864-9cc1-9d61948c3249
- https://lup.lub.lu.se/record/8f6dd552-2035-4864-9cc1-9d61948c3249URI
- https://doi.org/10.1038/s41561-019-0427-2DOI
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- Language:English
- Summary in:English
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- Forest disturbances that lead to the replacement of whole tree stands are a cornerstone of forest dynamics, with drivers that include fire, windthrow, biotic outbreaks and harvest. The frequency of disturbances may change over the next century with impacts on the age, composition and biomass of forests. However, the disturbance return time, that is, the mean interval between disturbance events, remains poorly characterized across the world’s forested biomes, which hinders the quantification of the role of disturbances in the global carbon cycle. Here we present the global distribution of stand-replacing disturbance return times inferred from satellite-based observations of forest loss. Prescribing this distribution within a vegetation model with a detailed representation of stand structure, we quantify the importance of stand-replacing disturbances for biomass carbon turnover globally over 2001–2014. The return time varied from less than 50 years in heavily managed temperate ecosystems to over 1,000 years in tropical evergreen forests. Stand-replacing disturbances accounted for 12.3% (95% confidence interval, 11.4–13.7%) of the annual biomass carbon turnover due to tree mortality globally, and in 44% of the forested area, biomass stocks are strongly sensitive to changes in the disturbance return time. Relatively small shifts in disturbance regimes in these areas would substantially influence the forest carbon sink that currently limits climate change by offsetting emissions.
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- Arneth, AlmutKarlsruhe Institute of Technology(Swepub:lu)nate-aar (author)
- Kautz, MarkusForest Research Institute Baden-Wurttemberg (author)
- Poulter, BenjaminNASA Goddard Space Flight Center (author)
- Smith, BenjaminLund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,Western Sydney University(Swepub:lu)ple-bsm (author)
- University of BirminghamKarlsruhe Institute of Technology (creator_code:org_t)
Related titles
- In:Nature Geoscience: Springer Science and Business Media LLC12:9, s. 730-7351752-08941752-0908
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