气候变化领域集成服务门户(CCPortal): A regional scale assessment of habitat selection and home range of the eastern rat snake in pine-dominated forests

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DOI	10.1016/j.foreco.2018.09.018
	A regional scale assessment of habitat selection and home range of the eastern rat snake in pine-dominated forests
	Howze J.M.; Sash K.J.; Carroll J.P.; Smith L.L.
发表日期	2019
ISSN	0378-1127
起始页码	225
结束页码	230
卷号	432
英文摘要	An animal's spatial ecology may provide insight into how resources are distributed or potentially limiting across its home range. Some species with broad geographic distributions may exhibit intraspecific variation in space use among populations given the spectrum of available habitat across their range. Animals may need to move further in habitats with limited resources thereby lowering survival. Species, like the eastern rat snake (Pantherophis alleghaniensis), occur throughout the eastern USA and are thought to be strongly tied to hardwood forests. However, their occurrence in pine-dominated forests in the southeastern USA suggests they have broader habitat requirements than previously noted. Our objective was to investigate patterns of habitat use and spatial ecology for eastern rat snakes across multiple pine-dominated forests in Southern Georgia and Northern Florida to capture regional differences in eastern rat snake resource use. We examined home range and habitat use at multiple spatial scales for 30 radio-telemetered snakes from three sites; one in Georgia (Pebble Hill) and Florida (Tall Timbers) during 2004–2005 and one more northern site in Georgia (Ichauway) during 2010–2012. Snakes tracked on Ichauway had a mean home range size that was 3.9 times larger (95% Mean Convex Polygon [MCP], 13.6 ± 8.2 ha) than the estimate for Tall Timbers (3.5 ± 3.2 ha) and 2.6 times larger than the estimate for Pebble Hill (5.3 ± 3.2 ha). Snakes at all three sites selected primarily open edge and pine habitat at the landscape scale and were most likely to be found in large, mature oak trees (Quercus spp.). At Ichauway, hardwood removal activities associated with longleaf pine (Pinus palustris) restoration reduced the number of hardwood trees per hectare by 33% in hardwood removal areas from 1998 to 2014. This management approach included limiting suitable large oak trees that rat snakes use and may help explain the variation in home range size and the number of snakes captured at Ichauway (n = 14) compared to the other two sites (Tall Timbers, n = 154, Pebble Hill, n = 127). © 2018 Elsevier B.V.
英文关键词	Eastern rat snake; Eastern ratsnake; Habitat selection; Home range; Pantherophis alleghaniensis; Pine-dominated forest; Southeastern USA
语种	英语
scopus关键词	Ecosystems; Geographical distribution; Hardwoods; Rats; Timber; Eastern rat snake; Habitat selection; Home range; Pantherophis alleghaniensis; Pine-dominated forest; Southeastern USA; Forestry; assessment method; coniferous forest; deciduous forest; geographical distribution; habitat availability; habitat selection; habitat use; home range; intraspecific variation; range size; resource availability; snake; space use; Ecosystems; Forestry; Forests; Georgia; Hardwoods; Pinus; Trees; Florida [United States]; Georgia; United States; Animalia; Pantherophis; Pantherophis obsoletus; Pinus palustris; Quercus; Rattus; Serpentes
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156391
作者单位	Joseph W. Jones Ecological Research Center, 3988 Jones Center Drive, Newton, GA 39870, United States; Tall Timbers Research Station & Land Conservancy, 13093 Henry Beadel Drive, Tallahassee, FL 32312, United States; University of Nebraska, School of Natural Resources, 3310 Holdrege Street, Lincoln, NE 68583, United States
推荐引用方式 GB/T 7714	Howze J.M.,Sash K.J.,Carroll J.P.,et al. A regional scale assessment of habitat selection and home range of the eastern rat snake in pine-dominated forests[J],2019,432.
APA	Howze J.M.,Sash K.J.,Carroll J.P.,&Smith L.L..(2019).A regional scale assessment of habitat selection and home range of the eastern rat snake in pine-dominated forests.Forest Ecology and Management,432.
MLA	Howze J.M.,et al."A regional scale assessment of habitat selection and home range of the eastern rat snake in pine-dominated forests".Forest Ecology and Management 432(2019).