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Historical experience (1850–1950 and 1961–2014) of insect species responsible for forest damage in Sweden : Influence of climate and land management changes

Tudoran, Mihaela Mariana; Marquer, Laurent LU and Jönsson, Anna Maria LU (2016) In Forest Ecology and Management 381. p.347-359
Abstract

The ongoing climate change can influence the dynamic of insect populations and therefore the Insect species Responsible for Forest Damage (“insects-RFD” hereafter). The present study aims at identifying the most occurring insects-RFD in Sweden, and exploring the relationships between insects-RFD and climate and land management changes. The recorded insect attacks based on historical reports, literature and databases, were collected for North, Central and South of Sweden, and for two periods at yearly time scales: 1850–1950 and 1961–2014. A series of analyses has been carried out based on this dataset: 1-Estimation of the occurrence of each insects-RFD over years to assess which insect species have caused the major forest damage,... (More)

The ongoing climate change can influence the dynamic of insect populations and therefore the Insect species Responsible for Forest Damage (“insects-RFD” hereafter). The present study aims at identifying the most occurring insects-RFD in Sweden, and exploring the relationships between insects-RFD and climate and land management changes. The recorded insect attacks based on historical reports, literature and databases, were collected for North, Central and South of Sweden, and for two periods at yearly time scales: 1850–1950 and 1961–2014. A series of analyses has been carried out based on this dataset: 1-Estimation of the occurrence of each insects-RFD over years to assess which insect species have caused the major forest damage, 2-Ratios of broadleaved versus conifer host trees to estimate the main types of damaged forests, and 3-Canonical correspondence analyses to evaluate how much climate (winter and summer temperature, winter and summer precipitation, and storms) and land management (land areas for wood production, standing volume for all trees and standing volume for deciduous trees) changes have affected insects-RFD. The results reveal that the most occurring insects-RFD differ between the North and South of Sweden, and between 1850–1950 and 1961–2014. The most occurring insects-RFD since 1850 were Ips typographus, Neodiprion sertifer, Tortrix viridana, Hylobius abietis and Tomicus piniperda. The occurrences of insects-RFD have been higher in the South of Sweden since at least 1850 than in other regions. The North of Sweden have been mostly affected by insects-RFD between 1911 and 1950. Canonical correspondence analyses show that the spread of insects-RFD might be related to environmental conditions. More particularly, the insects-RFD variation explained are increasing between 1902–1950 and 1961–2007 in all Sweden for temperature (winter and summer) and in Central and South of Sweden for storm damage. However, the evolution of landscape management would participate in influencing insects-RFD, in particular from 1961, when changes in forest management (e.g. increase in land areas for wood production) have been developed, as well as the way to report insect forest damages. This long-term perspective of how changes in climate and land management have influenced insects-RFD is of great interest for further discussion about climate adaptation strategies in forestry and ecosystem services.

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organization
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type
Contribution to journal
publication status
published
subject
keywords
Climate change, Forest damage, Insects, Landscape management, Scandinavia
in
Forest Ecology and Management
volume
381
pages
13 pages
publisher
Elsevier
external identifiers
  • scopus:84992748465
  • wos:000387522700033
ISSN
0378-1127
DOI
10.1016/j.foreco.2016.09.044
language
English
LU publication?
yes
id
8fe22eff-f6c8-46c8-aab1-d77c257cca16
date added to LUP
2016-11-11 09:24:55
date last changed
2017-10-01 05:25:44
@article{8fe22eff-f6c8-46c8-aab1-d77c257cca16,
  abstract     = {<p>The ongoing climate change can influence the dynamic of insect populations and therefore the Insect species Responsible for Forest Damage (“insects-RFD” hereafter). The present study aims at identifying the most occurring insects-RFD in Sweden, and exploring the relationships between insects-RFD and climate and land management changes. The recorded insect attacks based on historical reports, literature and databases, were collected for North, Central and South of Sweden, and for two periods at yearly time scales: 1850–1950 and 1961–2014. A series of analyses has been carried out based on this dataset: 1-Estimation of the occurrence of each insects-RFD over years to assess which insect species have caused the major forest damage, 2-Ratios of broadleaved versus conifer host trees to estimate the main types of damaged forests, and 3-Canonical correspondence analyses to evaluate how much climate (winter and summer temperature, winter and summer precipitation, and storms) and land management (land areas for wood production, standing volume for all trees and standing volume for deciduous trees) changes have affected insects-RFD. The results reveal that the most occurring insects-RFD differ between the North and South of Sweden, and between 1850–1950 and 1961–2014. The most occurring insects-RFD since 1850 were Ips typographus, Neodiprion sertifer, Tortrix viridana, Hylobius abietis and Tomicus piniperda. The occurrences of insects-RFD have been higher in the South of Sweden since at least 1850 than in other regions. The North of Sweden have been mostly affected by insects-RFD between 1911 and 1950. Canonical correspondence analyses show that the spread of insects-RFD might be related to environmental conditions. More particularly, the insects-RFD variation explained are increasing between 1902–1950 and 1961–2007 in all Sweden for temperature (winter and summer) and in Central and South of Sweden for storm damage. However, the evolution of landscape management would participate in influencing insects-RFD, in particular from 1961, when changes in forest management (e.g. increase in land areas for wood production) have been developed, as well as the way to report insect forest damages. This long-term perspective of how changes in climate and land management have influenced insects-RFD is of great interest for further discussion about climate adaptation strategies in forestry and ecosystem services.</p>},
  author       = {Tudoran, Mihaela Mariana and Marquer, Laurent and Jönsson, Anna Maria},
  issn         = {0378-1127},
  keyword      = {Climate change,Forest damage,Insects,Landscape management,Scandinavia},
  language     = {eng},
  month        = {12},
  pages        = {347--359},
  publisher    = {Elsevier},
  series       = {Forest Ecology and Management},
  title        = {Historical experience (1850–1950 and 1961–2014) of insect species responsible for forest damage in Sweden : Influence of climate and land management changes},
  url          = {http://dx.doi.org/10.1016/j.foreco.2016.09.044},
  volume       = {381},
  year         = {2016},
}