2020
DOI: 10.1101/2020.02.25.964213
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Search for top-down and bottom-up drivers of latitudinal trends in insect herbivory in oak trees in Europe

Abstract: AimThe strength of species interactions is traditionally expected to become stronger toward the Equator. However, recent studies have reported opposite or inconsistent latitudinal trends in the bottom-up (plant quality) and top-down (natural enemies) forces driving insect herbivory, possibly because these forces have rarely been studied concomitantly. This makes previous attempts to understand the effect of large scale climatic gradients on insect herbivory unsuccessful. Location Europe Time period 2018-2019Ma… Show more

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Cited by 8 publications
(24 citation statements)
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“…The use of artificial caterpillars is generally regarded as an appropriate standard approach to compare the activity of predators along ecological gradients (Howe et al, 2009;Lövei & Ferrante, 2017;Rößler et al, 2018). Yet, covering large ecological gradients generally requires extensive collaborations between multiple observers gathered in scientific networks, who might have different degrees of expertise for a specific skill or another (Roslin et al, 2017;Zvereva et al, 2020;Valdés-Correcher et al, 2021). This may cause uncontrolled biases in the estimation of predation rates, that have surprisingly seldom been investigated to date (Rößler et al, 2018).…”
Section: Discussionmentioning
confidence: 99%
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“…The use of artificial caterpillars is generally regarded as an appropriate standard approach to compare the activity of predators along ecological gradients (Howe et al, 2009;Lövei & Ferrante, 2017;Rößler et al, 2018). Yet, covering large ecological gradients generally requires extensive collaborations between multiple observers gathered in scientific networks, who might have different degrees of expertise for a specific skill or another (Roslin et al, 2017;Zvereva et al, 2020;Valdés-Correcher et al, 2021). This may cause uncontrolled biases in the estimation of predation rates, that have surprisingly seldom been investigated to date (Rößler et al, 2018).…”
Section: Discussionmentioning
confidence: 99%
“…We recently initiated the Tree bodyguards citizen science project using artificial caterpillars to study trophic interactions in oaks across a large geographic gradient (Valdés-Correcher et al, 2021). The project involved both ecologistswho may or may not have worked with artificial caterpillars in the pastand school children and their teachers in 23 countries in Europe.…”
Section: Tree Bodyguards Citizen Science Projectmentioning
confidence: 99%
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