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Forest management and natural biocontrol of insect pests

Klapwijk, Maartje and Bylund, Helena and Schroeder, Martin and Björkman, Christer (2016). Forest management and natural biocontrol of insect pests. Forestry. 89:3, 253-262
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Official URL: http://dx.doi.org/10.1093/forestry/cpw019

Abstract

Current silvicultural practices are under revision as result of changing demands and pressing environmental issues. We compared the monoculture clear-cut regime commonly used during the recent decades in Europe, especially in Fennoscandia, and in North America, with three alternative forest management methods, short rotation forestry, mixed forest stands and continuous cover forestry. We evaluate how these alternative management methods are Likely to affect the natural control of forest insect (regeneration pests, defoliators and bark beetles). Particular emphasis was placed on the effects of forest management on natural enemy pressure. We argue that changing forest management to any of the methods discussed will, in most cases, decrease the relative effects of bottom-up forces (resource quality and quantity) and increase the relative effects of top-down forces (natural enemy pressure) on forest pests. As population growth of the pest species presently causing most damage in European managed forests (i.e. pine weevil and spruce bark beetle) is mainly Limited by bottom-up forces (quantity of suitable breeding material), changes in forest management could increase the relative importance of top-down forces by modifying stand characteristics to actively support the natural enemies. However, it remains to be investigated to what extent such alterations will result in decreased damage to trees even though some evidence points in that direction.

Authors/Creators:Klapwijk, Maartje and Bylund, Helena and Schroeder, Martin and Björkman, Christer
Title:Forest management and natural biocontrol of insect pests
Series/Journal:Forestry (1464-3626)
Year of publishing :2016
Volume:89
Number:3
Page range:253-262
Number of Pages:10
Publisher:Oxford University Press
Associated Programs and Other Stakeholders:SLU - Research Areas for the Future > Future Forests
ISSN:1464-3626
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Full Text Status:Public
Agris subject categories.:K Forestry > K01 Forestry - General aspects
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:population dynamics, insects, arthropods, silviculture, biological control, enemy:prey ratio
URN:NBN:urn:nbn:se:slu:epsilon-e-3968
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-3968
Additional ID:
Type of IDID
Web of Science (WoS)000376127500002
ID Code:14064
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
S - Faculty of Forest Sciences
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:21 Feb 2017 07:28
Metadata Last Modified:25 Jul 2017 05:59

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