Factors affecting female space use in ten populations of prairie chickens

被引:29
作者
Winder, Virginia L. [1 ]
Carrlson, Kaylan M. [2 ]
Gregory, Andrew J. [3 ]
Hagen, Christian A. [4 ]
Haukos, David A. [5 ]
Kesler, Dylan C. [2 ]
Larsson, Lena C. [6 ]
Matthews, Ty W. [7 ]
McNew, Lance B. [8 ]
Patten, Michael A. [9 ]
Pitman, Jim C. [10 ]
Powell, Larkin A. [7 ]
Smith, Jennifer A. [7 ]
Thompson, Tom [11 ]
Wolfe, Donald H. [6 ]
Sandercock, Brett K. [12 ]
机构
[1] Benedictine Coll, Dept Biol, Atchison, KS 66002 USA
[2] Univ Missouri, Dept Fisheries & Wildlife Sci, Columbia, MO 65211 USA
[3] Bowling Green State Univ, Sch Environm & Soc, Bowling Green, OH 43403 USA
[4] Oregon State Univ, Dept Fisheries & Wildlife, Corvallis, OR 97331 USA
[5] Kansas State Univ, Kansas Cooperat Fish & Wildlife Res Unit, US Geol Survey, Manhattan, KS 66506 USA
[6] Sutton Avian Res Ctr, Bartlesville, OK 74003 USA
[7] Univ Nebraska, Sch Nat Resources, Lincoln, NE 68583 USA
[8] Montana State Univ, Dept Anim & Range Sci, Bozeman, MT 59717 USA
[9] Univ Oklahoma, Oklahoma Biol Survey, Sutton Avian Res Ctr, Dept Biol, Norman, OK 73019 USA
[10] Kansas Dept Wildlife Pk & Tourism, Emporia, KS 66801 USA
[11] Missouri Dept Conservat, Jefferson City, MO 65101 USA
[12] Kansas State Univ, Div Biol, Manhattan, KS 66506 USA
来源
ECOSPHERE | 2015年 / 6卷 / 09期
基金
美国国家科学基金会;
关键词
fragmentation; grassland; grouse; home range; land cover; landscape metrics; lek; prairie; prairie grouse; resource utilization function; spatial ecology; Tympanuchus; GREATER SAGE-GROUSE; HABITAT SELECTION; LIFE-HISTORY; SEXUAL SELECTION; NESTING ECOLOGY; LAND-USE; LANDSCAPE; DEMOGRAPHY; SURVIVAL; LEKS;
D O I
10.1890/ES14-00536.1
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Conservation of wildlife depends on an understanding of the interactions between animal movements and key landscape factors. Habitat requirements of wide-ranging species often vary spatially, but quantitative assessment of variation among replicated studies at multiple sites is rare. We investigated patterns of space use for 10 populations of two closely related species of prairie grouse: Greater Prairie-Chickens (Tympanuchus cupido) and Lesser Prairie-Chickens (T. pallidicinctus). Prairie chickens require large, intact tracts of native grasslands, and are umbrella species for conservation of prairie ecosystems in North America. We used resource utilization functions to investigate space use by female prairie chickens during the 6-month breeding season from March through August in relation to lek sites, habitat conditions, and anthropogenic development. Our analysis included data from 382 radio-marked individuals across a major portion of the extant range. Our project is a unique opportunity to study comparative space use of prairie chickens, and we employed standardized methods that facilitated direct comparisons across an ecological gradient of study sites. Median home range size of females varied similar to 10-fold across 10 sites (3.6-36.7 km(2)), and home ranges tended to be larger at sites with higher annual precipitation. Proximity to lek sites was a strong and consistent predictor of space use for female prairie chickens at all 10 sites. The relative importance of other predictors of space use varied among sites, indicating that generalized habitat management guidelines may not be appropriate for these two species. Prairie chickens actively selected for prairie habitats, even at sites where similar to 90% of the land cover within the study area was prairie. A majority of the females monitored in our study (>95%) had activity centers within 5 km of leks, suggesting that conservation efforts can be effectively concentrated near active lek sites. Our data on female space use suggest that lek surveys of male prairie chickens can indirectly assess habitat suitability for females during the breeding season. Lek monitoring and surveys for new leks provide information on population trends, but can also guide management actions aimed at improving nesting and brood-rearing habitats.
引用
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页数:17
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