期刊
ENVIRONMENTAL POLLUTION
卷 177, 期 -, 页码 78-81出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2013.02.017
关键词
Metals; Nectar chemistry; Pollinator behavior
资金
- Powdermill Nature Reserve
- Botany-In-Action Fellowship from the Phipps Botanical Garden and Conservatory
- Ivey McManus Pre-doctoral Fellowship (University of Pittsburgh)
- NSF [DEB 1020523]
- Division Of Environmental Biology
- Direct For Biological Sciences [1020523] Funding Source: National Science Foundation
Metals in soil are known to negatively affect the health of many groups of organisms, but it is unclear whether they can affect plant-pollinator interactions, and whether pollinators that visit plants growing on contaminated soils are at risk of ingesting potentially toxic resources. We address whether the presence of metals in nectar alters foraging behavior by bumblebees by manipulating nectar with one of two common soil contaminants (Al or Ni) in flowers of Impatiens capensis (Balsaminaceae). While the presence of Al in nectar did not influence foraging patterns by bumblebees, flowers containing Ni nectar solutions were visited for shorter time periods relative to controls, and discouraged bees from visiting nearby Ni-contaminated flowers. However, because bumblebees still visited these flowers, they likely ingested a potentially toxic resource. Our findings suggest that soil metals could cascade to negatively affect pollinators in metal contaminated environments. (c) 2013 Elsevier Ltd. All rights reserved.
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