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Interacting effects of insect and ungulate herbivory on Scots pine growth

Nordkvist, Michelle and Klapwijk, Maartje and Edenius, Lars and Björkman, Christer (2020). Interacting effects of insect and ungulate herbivory on Scots pine growth. Scientific Reports. 10 , 22341
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Abstract

Most plants are subjected to damage from multiple species of herbivores, and the combined impact on plant growth can be non-additive. Since plant response to herbivores tends to be species specific, and change with repeated damage, the outcome likely depend on the sequence and number of attacks. There is a high likelihood of non-additive effects on plant growth by damage from mammals and insects, as mammalian herbivory can alter insect herbivore damage levels, yet few studies have explored this. We report the growth response of young Scots pine trees to sequential mammal and insect herbivory, varying the sequence and number of damage events, using an ungulate-pine-sawfly system. Combined sawfly and ungulate herbivory had both additive and non-additive effects on pine growth-the growth response depended on the combination of ungulate browsing and sawfly defoliation (significant interaction effect). Repeated sawfly herbivory reduced growth (compared to single defoliation) on un-browsed trees. However, on browsed trees, depending on when sawfly defoliation was combined with browsing, trees exposed to repeated sawfly herbivory had both higher, lower and the same growth as trees exposed to a single defoliation event. We conclude that the sequence of attacks by multiple herbivores determine plant growth response.

Authors/Creators:Nordkvist, Michelle and Klapwijk, Maartje and Edenius, Lars and Björkman, Christer
Title:Interacting effects of insect and ungulate herbivory on Scots pine growth
Series Name/Journal:Scientific Reports
Year of publishing :2020
Volume:10
Article number:22341
Number of Pages:11
Publisher:NATURE RESEARCH
ISSN:2045-2322
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
URN:NBN:urn:nbn:se:slu:epsilon-p-110301
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-110301
Additional ID:
Type of IDID
DOI10.1038/s41598-020-79346-3
Web of Science (WoS)000603056100002
ID Code:21799
Faculty:S - Faculty of Forest Sciences
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology

(S) > Dept. of Wildlife, Fish and Environmental Studies
Deposited By: SLUpub Connector
Deposited On:01 Feb 2021 04:23
Metadata Last Modified:01 Feb 2021 06:01

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