RenNeronRossiEtAl2020

Reference

Ren, P., Néron, V., Rossi, S., Liang, E., Bouchard, M., Deslauriers, A. (2020) Warming counteracts defoliation-induced mismatch by increasing herbivore-plant phenological synchrony. Global Change Biology, 26(4):2072-2080. (Scopus )

Abstract

Climate change is altering phenology; however, the magnitude of this change varies among taxa. Compared with phenological mismatch between plants and herbivores, synchronization due to climate has been less explored, despite its potential implications for trophic interactions. The earlier budburst induced by defoliation is a phenological strategy for plants against herbivores. Here, we tested whether warming can counteract defoliation-induced mismatch by increasing herbivore-plant phenological synchrony. We compared the larval phenology of spruce budworm and budburst in balsam fir, black spruce, and white spruce saplings subjected to defoliation in a controlled environment at temperatures of 12, 17, and 22°C. Budburst in defoliated saplings occurred 6–24 days earlier than in the controls, thus mismatching needle development from larval feeding. This mismatch decreased to only 3–7 days, however, when temperatures warmed by 5 and 10°C, leading to a resynchronization of the host with spruce budworm larvae. The increasing synchrony under warming counteracts the defoliation-induced mismatch, disrupting trophic interactions and energy flow between forest ecosystem and insect populations. Our results suggest that the predicted warming may improve food quality and provide better growth conditions for larval development, thus promoting longer or more intense insect outbreaks in the future. © 2020 John Wiley & Sons Ltd

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@ARTICLE { RenNeronRossiEtAl2020,
    AUTHOR = { Ren, P. and Néron, V. and Rossi, S. and Liang, E. and Bouchard, M. and Deslauriers, A. },
    JOURNAL = { Global Change Biology },
    TITLE = { Warming counteracts defoliation-induced mismatch by increasing herbivore-plant phenological synchrony },
    YEAR = { 2020 },
    NOTE = { cited By 0 },
    NUMBER = { 4 },
    PAGES = { 2072-2080 },
    VOLUME = { 26 },
    ABSTRACT = { Climate change is altering phenology; however, the magnitude of this change varies among taxa. Compared with phenological mismatch between plants and herbivores, synchronization due to climate has been less explored, despite its potential implications for trophic interactions. The earlier budburst induced by defoliation is a phenological strategy for plants against herbivores. Here, we tested whether warming can counteract defoliation-induced mismatch by increasing herbivore-plant phenological synchrony. We compared the larval phenology of spruce budworm and budburst in balsam fir, black spruce, and white spruce saplings subjected to defoliation in a controlled environment at temperatures of 12, 17, and 22°C. Budburst in defoliated saplings occurred 6–24 days earlier than in the controls, thus mismatching needle development from larval feeding. This mismatch decreased to only 3–7 days, however, when temperatures warmed by 5 and 10°C, leading to a resynchronization of the host with spruce budworm larvae. The increasing synchrony under warming counteracts the defoliation-induced mismatch, disrupting trophic interactions and energy flow between forest ecosystem and insect populations. Our results suggest that the predicted warming may improve food quality and provide better growth conditions for larval development, thus promoting longer or more intense insect outbreaks in the future. © 2020 John Wiley & Sons Ltd },
    AFFILIATION = { Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; Département des Sciences Fondamentales, Université du Quebec à Chicoutimi, Chicoutimi, QC, Canada; College of Life Sciences, Anhui Normal University, Wuhu, China; Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China; CAS Centre for Excellence in Tibetan Plateau Earth Sciences, Beijing, China; Direction de la Recherche Forestière, Ministère des Forêts, de la Faune et des Parcs du Québec, Québec, QC, Canada },
    AUTHOR_KEYWORDS = { boreal forest; budburst; Choristoneura fumiferana; global warming; outbreak; phenology },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1111/gcb.14991 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85079123161&doi=10.1111%2fgcb.14991&partnerID=40&md5=d83c1530a7cb9ccb957cd4c715c8881a },
}

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