Research output: Contribution to journal › Article › peer-review
Search for top-down and bottom-up drivers of latitudinal trends in insect herbivory in oak trees in Europe. / Valdés-Correcher , E.; Moreira, X.; Augusto, L.; Barbaro, L.; Bouget , C.; Bouriaud, O.; Branco M., M.; Centenaro , G.; Csóka, G.; Damestoy , T.; Dobrosavljević, J.; Duduman, M.-L.; Dulaurent , A.-M.; Eötvös, C.B.; Faticov, M.; Ferrante , M; Fürjes-Mikó, Á.; Galmán, A.; Gossner , M.M.; Hampe , A.; Harvey, D.; Howe, A.G.; Kadiri , Y.; Kaennel-Dobbertin , M.; Koricheva, J.; Kozel, A.; Kozlov , M.; Löveï , G.L.; Lupaștean , D.; Milanović, S.; Mrazova, A.; Opgennoorth, L.; Pitkänen, J.-M.; Popova, A.; Popović , M.; Prinzing, M.; Queloz, V. ; Rosling, A.; Sallé , A.; Sam, K.; Scherer-Lorenzen , M.; Schuldt, A.; Селиховкин, Андрей Витимович; Suominen, L.I.; Tack, A.J.M.; Tahadlova, M.; Thomas, R.; Castagneyrol, B.
In: Global Ecology and Biogeography, 2020, p. 00:1-15.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Search for top-down and bottom-up drivers of latitudinal trends in insect herbivory in oak trees in Europe
AU - Valdés-Correcher , E.
AU - Moreira, X.
AU - Augusto, L.
AU - Barbaro, L.
AU - Bouget , C.
AU - Bouriaud, O.
AU - Branco M., M.
AU - Centenaro , G.
AU - Csóka, G.
AU - Damestoy , T.
AU - Dobrosavljević, J.
AU - Duduman, M.-L.
AU - Dulaurent , A.-M.
AU - Eötvös, C.B.
AU - Faticov, M.
AU - Ferrante , M
AU - Fürjes-Mikó, Á.
AU - Galmán, A.
AU - Gossner , M.M.
AU - Hampe , A.
AU - Harvey, D.
AU - Howe, A.G.
AU - Kadiri , Y.
AU - Kaennel-Dobbertin , M.
AU - Koricheva, J.
AU - Kozel, A.
AU - Kozlov , M.
AU - Löveï , G.L.
AU - Lupaștean , D.
AU - Milanović, S.
AU - Mrazova, A.
AU - Opgennoorth, L.
AU - Pitkänen, J.-M.
AU - Popova, A.
AU - Popović , M.
AU - Prinzing, M.
AU - Queloz, V.
AU - Rosling, A.
AU - Sallé , A.
AU - Sam, K.
AU - Scherer-Lorenzen , M.
AU - Schuldt, A.
AU - Селиховкин, Андрей Витимович
AU - Suominen, L.I.
AU - Tack, A.J.M.
AU - Tahadlova, M.
AU - Thomas, R.
AU - Castagneyrol, B.
PY - 2020
Y1 - 2020
N2 - Aim: The strength of species interactions is traditionally expected to increase towardthe Equator. However, recent studies have reported opposite or inconsistent latitudinal trends in the bottom-up (plant quality) and top-down (natural enemies) forcesdriving herbivory. In addition, these forces have rarely been studied together thuslimiting previous attempts to understand the effect of large-scale climatic gradientson herbivory.Location: Europe.Time period: 2018–2019.Major taxa studied: Quercus robur.Methods: We simultaneously tested for latitudinal variation in plant–herbivore–natural enemy interactions. We further investigated the underlying climatic factors associated with variation in herbivory, leaf chemistry and attack rates in Quercus roburacross its complete latitudinal range in Europe. We quantified insect leaf damage andthe incidence of specialist herbivores as well as leaf chemistry and bird attack rateson dummy caterpillars on 261 oak trees.Results: Climatic factors rather than latitude per se were the best predictors of thelarge-scale (geographical) variation in the incidence of gall-inducers and leaf-minersas well as in leaf nutritional content. However, leaf damage, plant chemical defences(leaf phenolics) and bird attack rates were not influenced by climatic factors or latitude. The incidence of leaf-miners increased with increasing concentrations of hydrolysable tannins, whereas the incidence of gall-inducers increased with increasingleaf soluble sugar concentration and decreased with increasing leaf C : N ratios andlignins. However, leaf traits and bird attack rates did not vary with leaf damage.Main conclusions: These findings help to refine our understanding of the bottom-upand top-down mechanisms driving geographical variation in plant–herbivore interactions, and indicate the need for further examination of the drivers of herbivory ontrees.
AB - Aim: The strength of species interactions is traditionally expected to increase towardthe Equator. However, recent studies have reported opposite or inconsistent latitudinal trends in the bottom-up (plant quality) and top-down (natural enemies) forcesdriving herbivory. In addition, these forces have rarely been studied together thuslimiting previous attempts to understand the effect of large-scale climatic gradientson herbivory.Location: Europe.Time period: 2018–2019.Major taxa studied: Quercus robur.Methods: We simultaneously tested for latitudinal variation in plant–herbivore–natural enemy interactions. We further investigated the underlying climatic factors associated with variation in herbivory, leaf chemistry and attack rates in Quercus roburacross its complete latitudinal range in Europe. We quantified insect leaf damage andthe incidence of specialist herbivores as well as leaf chemistry and bird attack rateson dummy caterpillars on 261 oak trees.Results: Climatic factors rather than latitude per se were the best predictors of thelarge-scale (geographical) variation in the incidence of gall-inducers and leaf-minersas well as in leaf nutritional content. However, leaf damage, plant chemical defences(leaf phenolics) and bird attack rates were not influenced by climatic factors or latitude. The incidence of leaf-miners increased with increasing concentrations of hydrolysable tannins, whereas the incidence of gall-inducers increased with increasingleaf soluble sugar concentration and decreased with increasing leaf C : N ratios andlignins. However, leaf traits and bird attack rates did not vary with leaf damage.Main conclusions: These findings help to refine our understanding of the bottom-upand top-down mechanisms driving geographical variation in plant–herbivore interactions, and indicate the need for further examination of the drivers of herbivory ontrees.
KW - artificial prey, avian insectivory, climate, leaf chemistry, plant defences
UR - https://europepmc.org/article/ppr/ppr114573
U2 - 10.1101/2020.02.25.964213
DO - 10.1101/2020.02.25.964213
M3 - Article
SP - 00:1-15
JO - Global Ecology and Biogeography
JF - Global Ecology and Biogeography
SN - 1466-822X
ER -
ID: 72521433