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dc.contributor.authorSmith, Griffin W.
dc.contributor.authorDebinski, Diane M.
dc.contributor.authorScavo, Nicole A.
dc.contributor.authorLange, Corey J.
dc.contributor.authorDelaney, John T.
dc.contributor.authorMoranz, Raymond A.
dc.contributor.authorMiller, James R.
dc.contributor.authorEngle, David M.
dc.contributor.authorToth, Amy L.
dc.identifier.citationSmith, Griffin W., Diane M. Debinski, Nicole A. Scavo, Corey J. Lange, John T. Delaney, Raymond A. Moranz, James R. Miller, David M. Engle, and Amy L. Toth. 2016. Bee Abundance and Nutritional Status in Relation to Grassland Management Practices in an Agricultural Landscape. Environmental Entomology, 45(2), 338–347. Available at:
dc.description.abstractGrasslands provide important resources for pollinators in agricultural landscapes. Managing grasslands with fire and grazing has the potential to benefit plant and pollinator communities, though there is uncertainty about the ideal approach. We examined the relationships among burning and grazing regimes, plant communities, and Bombus species and Apis mellifera L. abundance and nutritional indicators at the Grand River Grasslands in southern Iowa and northern Missouri. Treatment regimes included burn-only, grazed-and-burned, and patch-burn graze (pastures subdivided into three temporally distinct fire patches with free access by cattle). The premise of the experimental design was that patch-burn grazing would increase habitat heterogeneity, thereby providing more diverse and abundant floral resources for pollinators. We predicted that both bee abundance and individual bee nutritional indicators (bee size and lipid content) would be positively correlated with floral resource abundance. There were no significant differences among treatments with respect to bee abundance. However, some of the specific characteristics of the plant community showed significant relationships with bee response variables. Pastures with greater abundance of floral resources had greater bee abundance but lower bee nutritional indicators. Bee nutritional variables were positively correlated with vegetation height, but, in some cases, negatively correlated with stocking rate. These results suggest grassland site characteristics such as floral resource abundance and stocking rate are of potential importance to bee pollinators and suggest avenues for further research to untangle the complex interactions between grassland management, plant responses, and bee health.en_US
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).en_US
dc.titleBee Abundance and Nutritional Status in Relation to Grassland Management Practices in an Agricultural Landscapeen_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.universityMontana State University - Bozemanen_US
mus.contributor.orcidDebinski, Diane M.|0000-0002-7144-4640en_US

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