2008
DOI: 10.1007/s00442-008-1039-5
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Displacement of a native by an alien bumblebee: lower pollinator efficiency overcome by overwhelmingly higher visitation frequency

Abstract: Biological invasions might constitute a major threat to mutualisms. Introduced pollinators might competitively displace their native counterparts, which in turn affects the pollination of native plants, if native and alien visitors differ in pollinator effectiveness. Since its invasion in 1994 into south-west Argentina, the introduced European bumblebee Bombus ruderatus has continuously increased in abundance, along with a simultaneous decrease in the abundance of the native Bombus dahlbomii. The latter is the… Show more

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Cited by 66 publications
(72 citation statements)
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“…The introductions were intended to improve red clover pollination. Bombus ruderatus was introduced to Chile (from New Zealand) in 1982 for the same reason and reached Argentina by 1994, where it affected native interactions between Alstroemelia aurea and B. dahlbomii (Madjidian et al, 2008).…”
Section: Bumblebeesmentioning
confidence: 99%
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“…The introductions were intended to improve red clover pollination. Bombus ruderatus was introduced to Chile (from New Zealand) in 1982 for the same reason and reached Argentina by 1994, where it affected native interactions between Alstroemelia aurea and B. dahlbomii (Madjidian et al, 2008).…”
Section: Bumblebeesmentioning
confidence: 99%
“…Only three studies have investigated alien bumblebee impacts on native plant reproduction (Kenta et al, 2007;Dohzono et al, 2008;Madjidian et al, 2008). In these cases, alien bumblebees interacted with congeneric native bumblebees and affected bumblebee-pollinated plants, because they tend to share plants that have complex floral morphology specialized for bumblebee-pollination (Suzuki et al, 2007).…”
Section: Impacts Of Bumblebees On Native Plant Reproductionmentioning
confidence: 99%
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