Effects of fire management on northern bobwhite brood ecology |
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| Authors: | Jesse T. Kamps William E. Palmer Theron M. Terhune Greg Hagan James A. Martin |
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| Affiliation: | 1.Mississippi State University College of Forest Resources,Forest and Wildlife Research Center,Mississippi,USA;2.Tall Timbers Research Station and Land Conservancy,Tallahassee,USA;3.Florida Fish and Wildlife Conservation Commission,Tallahassee,USA;4.University of Georgia Warnell School of Forestry and Natural Resources,Savannah River Ecology Lab, University of Georgia,Athens,USA |
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| Abstract: | Northern Bobwhite Colinus virginianus chicks require ample invertebrates for growth and feather development. Early successional or resprouting vegetation provides invertebrates for chicks but may not provide other resources such as roosting and loafing cover that is typically provided by later successional stages. Thus, management for bobwhites provides multiple seral stages in close proximity but the effects of landscape interspersion have not been tested for bobwhite broods. During a 2-year study, we explored the effects of landscape complementation and food availability on growth and survival of bobwhite chicks. We found growth of chicks to be negatively related to home range size which was negatively correlated to the amount of area burned. We also found survival of chicks to be positively related to the amount of burned area (i.e., foraging area) within brood home ranges. To maximize the growth and survival of bobwhite chicks, it would be necessary to increase access to foraging areas while decreasing the size of brood home ranges. Access to foraging areas can be created through frequent prescribed fire at small spatial scales. |
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