The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests
The influence of different drivers on changes in North American and European boreal forests biomass burning (BB) during the Holocene was investigated based on the following hypotheses: land use was important only in the southernmost regions, while elsewhere climate was the main driver modulated by c...
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2018
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Online Access: | https://lup.lub.lu.se/record/678308f2-78e1-4b79-8823-7f0721bf203a https://doi.org/10.1111/gcb.14380 |
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ftulundlup:oai:lup.lub.lu.se:678308f2-78e1-4b79-8823-7f0721bf203a 2023-05-15T16:11:39+02:00 The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests Molinari, Chiara Lehsten, Veiko Blarquez, Olivier Carcaillet, Christopher Davis, Basil A.S. Kaplan, Jed O. Clear, Jennifer Bradshaw, Richard 2018-01 https://lup.lub.lu.se/record/678308f2-78e1-4b79-8823-7f0721bf203a https://doi.org/10.1111/gcb.14380 eng eng Wiley-Blackwell https://lup.lub.lu.se/record/678308f2-78e1-4b79-8823-7f0721bf203a http://dx.doi.org/10.1111/gcb.14380 scopus:85050938958 pmid:29959810 Global Change Biology; 24(10), pp 4929-4945 (2018) ISSN: 1365-2486 Climate Research biomass burning boreal biome climate variations Holocene land use plant functional types contributiontojournal/article info:eu-repo/semantics/article text 2018 ftulundlup https://doi.org/10.1111/gcb.14380 2023-02-01T23:36:58Z The influence of different drivers on changes in North American and European boreal forests biomass burning (BB) during the Holocene was investigated based on the following hypotheses: land use was important only in the southernmost regions, while elsewhere climate was the main driver modulated by changes in fuel type. BB was reconstructed by means of 88 sedimentary charcoal records divided into six different site clusters. A statistical approach was used to explore the relative contribution of (a) pollen‐based mean July/summer temperature and mean annual precipitation reconstructions, (b) an independent model‐based scenario of past land use (LU), and (c) pollen‐based reconstructions of plant functional types (PFTs) on BB. Our hypotheses were tested with: (a) a west‐east northern boreal sector with changing climatic conditions and a homogeneous vegetation, and (b) a north‐south European boreal sector characterized by gradual variation in both climate and vegetation composition. The processes driving BB in boreal forests varied from one region to another during the Holocene. However, general trends in boreal biomass burning were primarily controlled by changes in climate (mean annual precipitation in Alaska, northern Quebec, and northern Fennoscandia, and mean July/summer temperature in central Canada and central Fennoscandia) and, secondarily, by fuel composition (BB positively correlated with the presence of boreal needleleaf evergreentrees in Alaska and in central and southern Fennoscandia). Land use playedonly a marginal role. A modification towards less flammable tree species (by promoting deciduous stands over fire‐prone conifers) could contribute to reduce circumboreal wildfire risk in future warmer periods. Article in Journal/Newspaper Fennoscandia Alaska Lund University Publications (LUP) Canada Global Change Biology 24 10 4929 4945 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Climate Research biomass burning boreal biome climate variations Holocene land use plant functional types |
spellingShingle |
Climate Research biomass burning boreal biome climate variations Holocene land use plant functional types Molinari, Chiara Lehsten, Veiko Blarquez, Olivier Carcaillet, Christopher Davis, Basil A.S. Kaplan, Jed O. Clear, Jennifer Bradshaw, Richard The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
topic_facet |
Climate Research biomass burning boreal biome climate variations Holocene land use plant functional types |
description |
The influence of different drivers on changes in North American and European boreal forests biomass burning (BB) during the Holocene was investigated based on the following hypotheses: land use was important only in the southernmost regions, while elsewhere climate was the main driver modulated by changes in fuel type. BB was reconstructed by means of 88 sedimentary charcoal records divided into six different site clusters. A statistical approach was used to explore the relative contribution of (a) pollen‐based mean July/summer temperature and mean annual precipitation reconstructions, (b) an independent model‐based scenario of past land use (LU), and (c) pollen‐based reconstructions of plant functional types (PFTs) on BB. Our hypotheses were tested with: (a) a west‐east northern boreal sector with changing climatic conditions and a homogeneous vegetation, and (b) a north‐south European boreal sector characterized by gradual variation in both climate and vegetation composition. The processes driving BB in boreal forests varied from one region to another during the Holocene. However, general trends in boreal biomass burning were primarily controlled by changes in climate (mean annual precipitation in Alaska, northern Quebec, and northern Fennoscandia, and mean July/summer temperature in central Canada and central Fennoscandia) and, secondarily, by fuel composition (BB positively correlated with the presence of boreal needleleaf evergreentrees in Alaska and in central and southern Fennoscandia). Land use playedonly a marginal role. A modification towards less flammable tree species (by promoting deciduous stands over fire‐prone conifers) could contribute to reduce circumboreal wildfire risk in future warmer periods. |
format |
Article in Journal/Newspaper |
author |
Molinari, Chiara Lehsten, Veiko Blarquez, Olivier Carcaillet, Christopher Davis, Basil A.S. Kaplan, Jed O. Clear, Jennifer Bradshaw, Richard |
author_facet |
Molinari, Chiara Lehsten, Veiko Blarquez, Olivier Carcaillet, Christopher Davis, Basil A.S. Kaplan, Jed O. Clear, Jennifer Bradshaw, Richard |
author_sort |
Molinari, Chiara |
title |
The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
title_short |
The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
title_full |
The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
title_fullStr |
The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
title_full_unstemmed |
The climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
title_sort |
climate, the fuel and the land use: long-term regional variability of biomass burning in boreal forests |
publisher |
Wiley-Blackwell |
publishDate |
2018 |
url |
https://lup.lub.lu.se/record/678308f2-78e1-4b79-8823-7f0721bf203a https://doi.org/10.1111/gcb.14380 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Fennoscandia Alaska |
genre_facet |
Fennoscandia Alaska |
op_source |
Global Change Biology; 24(10), pp 4929-4945 (2018) ISSN: 1365-2486 |
op_relation |
https://lup.lub.lu.se/record/678308f2-78e1-4b79-8823-7f0721bf203a http://dx.doi.org/10.1111/gcb.14380 scopus:85050938958 pmid:29959810 |
op_doi |
https://doi.org/10.1111/gcb.14380 |
container_title |
Global Change Biology |
container_volume |
24 |
container_issue |
10 |
container_start_page |
4929 |
op_container_end_page |
4945 |
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1765996817018781696 |