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Short-term responses of beetle assemblages to wildfire in a region with more than 100 years of fire suppression

Johansson, Therese (author)
Swedish University of Agricultural Sciences, Department of Wildlife, Fish and Environmental Studies
Andersson, Jon (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies
Hjältén, Joakim (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies
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Dynesius, Mats, 1958- (author)
Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum,Department of Ecology and Environmental Science, Umeå University
Ecke, Frauke (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Luleå tekniska universitet,Geovetenskap och miljöteknik,Institutionen för vilt, fisk och miljö,Institutionen för vatten och miljö,Department of Wildlife, Fish and Environmental Studies,Department of Aquatic Sciences and Assessment,Luleå University of Technology
Löfroth, Therese (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies
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 (creator_code:org_t)
 
2010-09-28
2011
English.
In: Insect Conservation and Diversity. - : Wiley. - 1752-458X .- 1752-4598. ; 4:2, s. 142-151
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 1. Suppression of wildfires in boreal landscapes has become widespread and has seriously affected many fire favoured species. However, little is known about the response of organism assemblages to large wildfires in regions with a long history of effective fire suppression, such as Scandinavia.2. We studied the short-term effects of a >1600 ha wildfire on beetle assemblages in northern Sweden. The first summer after fire, beetles were sampled in 12 sites using 36 large window traps, half in old pine forest stands in the burned area and half in similar, but unburned control stands. The entire beetle assemblage and eight subgroups were analysed: saproxylics, non-saproxylics, moderately fire favoured, strongly fire favoured, fungivores, predators, cambium consumers and red-listed species.3. Species composition differed markedly between burned and unburned forests in all nine groups. Furthermore, beetle abundance was higher in the burned area for the entire assemblage and for saproxylics, both groups of fire favoured species, predators and cambium consumers. Species number was higher only for non-saproxylics, strongly fire favoured species and cambium consumers.4. Our results show that wildfire has rapid and strong effects on a wide range of beetles. However, we only trapped two individuals of fire-dependent beetles, which may suggest a lack of such species in the region, possibly due to >100 years of fire suppression. At the regional scale, the studied wildfire may potentially increase the abundance of these beetles after a longer period of reproduction in the burned area.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)
LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
LANTBRUKSVETENSKAPER  -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)

Keyword

Boreal forest
dead wood
forest management
functional groups
saproxylic species
wildfire
Landskapsekologi

Publication and Content Type

ref (subject category)
art (subject category)

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