globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12772
Scopus记录号: 2-s2.0-85018684301
论文题名:
The greenscape shapes surfing of resource waves in a large migratory herbivore
作者: Aikens E.O.; Kauffman M.J.; Merkle J.A.; Dwinnell S.P.H.; Fralick G.L.; Monteith K.L.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:6
起始页码: 741
结束页码: 750
语种: 英语
英文关键词: Forage maturation hypothesis ; green wave hypothesis ; migration ; mule deer ; normalised difference vegetation index ; Odocoileus hemionus ; phenology ; resource landscape ; ungulate ; Wyoming
Scopus关键词: Animalia ; Odocoileus hemionus ; Ungulata ; animal ; deer ; ecosystem ; herbivory ; population migration ; season ; Animal Migration ; Animals ; Deer ; Ecosystem ; Herbivory ; Seasons
英文摘要: The Green Wave Hypothesis posits that herbivore migration manifests in response to waves of spring green-up (i.e. green-wave surfing). Nonetheless, empirical support for the Green Wave Hypothesis is mixed, and a framework for understanding variation in surfing is lacking. In a population of migratory mule deer (Odocoileus hemionus), 31% surfed plant phenology in spring as well as a theoretically perfect surfer, and 98% surfed better than random. Green-wave surfing varied among individuals and was unrelated to age or energetic state. Instead, the greenscape, which we define as the order, rate and duration of green-up along migratory routes, was the primary factor influencing surfing. Our results indicate that migratory routes are more than a link between seasonal ranges, and they provide an important, but often overlooked, foraging habitat. In addition, the spatiotemporal configuration of forage resources that propagate along migratory routes shape animal movement and presumably, energy gains during migration. © 2017 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107615
Appears in Collections:气候减缓与适应

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作者单位: Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States; U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States; Program in Ecology, University of Wyoming, Laramie, WY, United States; Wyoming Game and Fish Department, Thayne, WY, United States; Haub School of Environment and Natural Resources, University of Wyoming, Laramie, WY, United States

Recommended Citation:
Aikens E.O.,Kauffman M.J.,Merkle J.A.,et al. The greenscape shapes surfing of resource waves in a large migratory herbivore[J]. Ecology Letters,2017-01-01,20(6)
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