2000
DOI: 10.1890/0012-9658(2000)081[1484:nasofl]2.0.co;2
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Numbers and Sizes of Fires: Long-Term Spatially Explicit Fire History in a Swedish Boreal Landscape

Abstract: The spatial display of fire over time on the landscape is ecologically important, and spatially explicit analyses offer a possibility of revealing anthropogenic influence on fire regimes. Nonetheless few such analyses have been attempted for longer time frames. We identified past fires in a northern Swedish boreal landscape using fire scars on Pinus sylvestris trees. Within a 19 × 32 km area, local fire chronologies were established at 203 points by cross‐dating fire scars on 1133 wood samples, the earliest da… Show more

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Cited by 419 publications
(324 citation statements)
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“…Fire has long been acknowledged as a crucial factor shaping boreal forest structure and development (Melekhov, 1947;Niklasson and Granström, 2000;Saari, 1923;Sirén, 1955). There is wide variability in fire behaviour and regimes, from infrequent high-severity stand-replacing fires to frequent low-severity surface fires.…”
Section: Disturbance Factorsmentioning
confidence: 99%
“…Fire has long been acknowledged as a crucial factor shaping boreal forest structure and development (Melekhov, 1947;Niklasson and Granström, 2000;Saari, 1923;Sirén, 1955). There is wide variability in fire behaviour and regimes, from infrequent high-severity stand-replacing fires to frequent low-severity surface fires.…”
Section: Disturbance Factorsmentioning
confidence: 99%
“…5500 and 2000 BC, with the lowest CHARs between 3500 and 2000 BC. Such fire intervals can be compared to 50-110 years intervals that were common in forests of northern Sweden during the last centuries (Zackrisson, 1977;Granström et al, 1995;Niklasson and Granström, 2000). Long fire intervals are usually characteristic of natural fires, while short fire intervals are often related to human-induced fires (e.g.…”
Section: Natural or Human-induced Fires?mentioning
confidence: 99%
“…These characteristics were interpreted as indicating anthropogenic, intentional fires to improve the quality of the grazing land. Natural fires would occur less frequently, later in the season (mid-June-August) (Granström, 1993), and cover larger areas (Niklasson and Granström, 2000). The last fire dated by dendrochronology in the Storasjö area occurred AD 1793 and seems to mark the end of a period with high fire frequency (Wäglind, 2004).…”
Section: Natural or Human-induced Fires?mentioning
confidence: 99%
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“…Fire has not always been so rare throughout Fennoscandia and Denmark: fire scars record a significantly more intensive fire regime in the recent past (e.g. Niklasson and Granström 2000;Power et al 2013;Storaunet et al 2013). Fire scars are valuable for understanding past human fire activity (Neolithic to present day slash and burn activity).…”
Section: Introductionmentioning
confidence: 99%