2016
DOI: 10.1371/journal.pone.0168751
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Tree Species Richness Promotes Invertebrate Herbivory on Congeneric Native and Exotic Tree Saplings in a Young Diversity Experiment

Abstract: Tree diversity in forests is an important driver of ecological processes including herbivory. Empirical evidence suggests both negative and positive effects of tree diversity on herbivory, which can be, respectively, attributed to associational resistance or associational susceptibility. Tree diversity experiments allow testing for associational effects, but evidence regarding which pattern predominates is mixed. Furthermore, it is unknown if herbivory on tree species of native vs. exotic origin is influenced … Show more

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Cited by 37 publications
(38 citation statements)
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“…E-mail: anna.knuff@nature.uni-freiburg.de Scherber et al, 2010). Other concepts, namely associational resistance and susceptibility, account for the plant community to predict herbivore pressure of a focal plant species (Barbosa et al, 2009;Wein et al, 2016). These patterns are determined by the degree of specialisation of the dominant herbivores (Root, 1973;Araújo, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…E-mail: anna.knuff@nature.uni-freiburg.de Scherber et al, 2010). Other concepts, namely associational resistance and susceptibility, account for the plant community to predict herbivore pressure of a focal plant species (Barbosa et al, 2009;Wein et al, 2016). These patterns are determined by the degree of specialisation of the dominant herbivores (Root, 1973;Araújo, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…For instance, defoliation of broadleaved trees generally decreases with the number of tree species in a stand (Guyot et al, 2016). For example, trees with generalist defoliators (e.g., birch) can suffer from higher damage when mixed with other tree species as a result of dietary mixing, which enhances the performance of the herbivores (Wein et al, 2016). For example, trees with generalist defoliators (e.g., birch) can suffer from higher damage when mixed with other tree species as a result of dietary mixing, which enhances the performance of the herbivores (Wein et al, 2016).…”
Section: Future Promises and Challengesmentioning
confidence: 99%
“…Although it seems to occur less frequently than associational resistance, plant diversity may also promote focal plants' susceptibility to pests through associational susceptibility (Barbosa et al, 2009;Jactel et al, 2017). For example, trees with generalist defoliators (e.g., birch) can suffer from higher damage when mixed with other tree species as a result of dietary mixing, which enhances the performance of the herbivores (Wein et al, 2016). There is still much to be learned about factors affecting associational resistance and susceptibility.…”
Section: Future Promises and Challengesmentioning
confidence: 99%
“…However, there are several examples of mixed forests being equally, or even more susceptible, to insect herbivores than pure stands (i.e. associational susceptibility) (Schuldt et al, 2010(Schuldt et al, , 2015Haase et al, 2015;Wein et al, 2016;Castagneyrol et al, 2018). Having addressed associational effects in forest ecosystems, researchers generally compare pure versus mixed stands for either herbivore abundance or herbivore damage.…”
Section: Introductionmentioning
confidence: 99%