DOI: 10.1016/j.foreco.2016.11.034
Scopus记录号: 2-s2.0-85008613602
论文题名: Summer-fall home-range fidelity of female elk in northwestern Colorado: Implications for aspen management
作者: Brough A.M. ; Justin DeRose R. ; Conner M.M. ; Long J.N.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2017
卷: 389 起始页码: 220
结束页码: 227
语种: 英语
英文关键词: Aspen recruitment
; Aspen reproduction
; Browsing
; Coppice silviculture
; Elk (Cervus elaphus)
; Home-range fidelity
; Philopatry
Scopus关键词: Reforestation
; Aspen recruitment
; Aspen reproduction
; Browsing
; Cervus elaphus
; Coppice silviculture
; Home range
; Philopatry
; Forestry
; Cervus elaphus
; Populus tremuloides
英文摘要: Understanding the degree of spatial fidelity exhibited by individuals within a species increases our ability to manage for desired future outcomes. Elk (Cervus elaphus) is a closely managed species in the Western US, but there is little research evaluating their summer home-range fidelity. Elk summer-fall home-ranges overlap considerably with aspen (Populus tremuloides)-dominated forest types, and elk can impact aspen regeneration because it is a preferred browse species. We evaluated the fidelity of 72 adult female elk to individual summer-fall home ranges in northwestern Colorado, USA, during two consecutive summers (1996 and 1997). To compare elk summer-fall home-range overlap and distribution based on individual kernel-estimated utilization distributions, we calculated the volume-of-intersection statistic and the inter-annual distances between centers-of-mass. We found adult female elk in the White River Study area exhibited strong fidelity to individual home ranges. Volume-of-intersection results indicated that 93% of the elk showed explicit home-range overlap between 1996 and 1997, but that all the elk returned to the same vicinity as the previous year (median = 0.42, SE = 0.02, n = 72). Between-year center-of-mass distances ranged from 183 m to 34,170 m (mean = 3819, SE = 619, n = 72), while within-year maximum distances between location points ranged from 4320 m to 31,680 m (mean = 13,958, SE = 628, n = 72). Hunting increased the distance traveled by individual elk, but did not change the center of their home-range. Understanding female elk home-range fidelity could influence forest management focused on aspen regeneration. Specifically, targeted removal of female elk from their summer-fall home ranges could create a ‘window of opportunity’ in which browsing pressure was reduced, and the likelihood of aspen recruitment increased. © 2016 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64497
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Wildland Resources and Ecology Center, Utah State University, 5230 Old Main Hill, Logan, UT, United States; Forest Inventory and Analysis, Rocky Mountain Research Station, 507 25th Street, Ogden, UT, United States; Department of Wildland Resources, Utah State University, 5230 Old Main Hill, Logan, UT, United States
Recommended Citation:
Brough A.M.,Justin DeRose R.,Conner M.M.,et al. Summer-fall home-range fidelity of female elk in northwestern Colorado: Implications for aspen management[J]. Forest Ecology and Management,2017-01-01,389