Plant diversity drives global patterns of insect invasions

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dc.contributor.authorLiebhold, Andrew M.en_ZA
dc.contributor.authorYamanaka, Takehikoen_ZA
dc.contributor.authorRoques, Alainen_ZA
dc.contributor.authorAugustin, Sylvieen_ZA
dc.contributor.authorChown, Steven L.en_ZA
dc.contributor.authorBrockerhoff, Eckehard G.en_ZA
dc.contributor.authorPysek, Petren_ZA
dc.date.accessioned2020-03-13T12:56:32Z
dc.date.available2020-03-13T12:56:32Z
dc.date.issued2018
dc.descriptionCITATION: Liebhold, A. M., et al. 2018. Plant diversity drives global patterns of insect invasions. Scientific Reports, 8:8448, doi:10.1038/s41598-018-30605-4.
dc.descriptionThe original publication is available at https://www.nature.com
dc.description.abstractDuring the last two centuries, thousands of insect species have been transported (largely inadvertently) and established outside of their native ranges worldwide, some with catastrophic ecological and economic impacts. Global variation in numbers of invading species depends on geographic variation in propagule pressure and heterogeneity of environmental resistance to invasions. Elton’s diversity-invasibility hypothesis, proposed over sixty years ago, has been widely explored for plants but little is known on how biodiversity affects insect invasions. Here we use species inventories from 44 land areas, ranging from small oceanic islands to entire continents in various world regions, to show that numbers of established insect species are primarily driven by diversity of plants, with both native and non-native plant species richness being the strongest predictor of insect invasions. We find that at large spatial scales, plant diversity directly explains variation in non-native insect species richness among world regions, while geographic factors such as land area, climate and insularity largely affect insect invasions indirectly via their effects on local plant richness.en_ZA
dc.description.urihttps://www.nature.com/articles/s41598-018-30605-4
dc.description.versionPublisher's version
dc.format.extent5 pages : illustrationsen_ZA
dc.identifier.citationLiebhold, A. M., et al. 2018. Plant diversity drives global patterns of insect invasions. Scientific Reports, 8:8448, doi:10.1038/s41598-018-30605-4
dc.identifier.issn2045-2322 (online)
dc.identifier.otherdoi:10.1038/s41598-018-30605-4
dc.identifier.urihttp://hdl.handle.net/10019.1/107617
dc.language.isoen_ZAen_ZA
dc.publisherNature Research
dc.rights.holderAuthors retain copyright
dc.subjectInsect invasionsen_ZA
dc.subjectPlant diversity conservation --- Effect of insecticides onen_ZA
dc.subjectZoogeography --- Climatic factorsen_ZA
dc.subjectBiological invasionsen_ZA
dc.titlePlant diversity drives global patterns of insect invasionsen_ZA
dc.typeArticleen_ZA
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