| DOI: | 10.1016/j.foreco.2012.11.011
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| Scopus记录号: | 2-s2.0-84871882029
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| 论文题名: | The use of coniferous forests and cutovers by Newfoundland woodland caribou |
| 作者: | Hébert I.; Weladji R.B.
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| 刊名: | Forest Ecology and Management
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| ISSN: | 0378-1127
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| 出版年: | 2013
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| 卷: | 291 | | 起始页码: | 318
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| 结束页码: | 325
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| 语种: | 英语
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| 英文关键词: | Fixed-kernel home range
; Forest harvesting
; Habitat selection
; Scale
; Succession
; Woodland caribou
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| Scopus关键词: | Forest harvesting
; Habitat selection
; Home range
; Scale
; Succession
; Woodland caribou
; Ocean habitats
; Principal component analysis
; Reforestation
; comparative study
; coniferous forest
; deer
; foraging behavior
; habitat selection
; predation
; regression
; spatiotemporal analysis
; stand structure
; woodland
; Canada
; Newfoundland
; Newfoundland and Labrador
; Rangifer tarandus
; Rangifer tarandus caribou
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| 英文摘要: | Habitat selection and preferences are driven by population limiting factors which can vary across spatial and temporal scales. For example, woodland caribou prefer coniferous forests to avoid predation at the coarse-scale and at finer scales select for forage within forests. Forestry reduces the benefits of forests and prevents the regeneration of adequate caribou habitat. We described Newfoundland woodland caribou habitat preferences across coarse and fine spatial scales and assessed whether cutovers regenerate into forests of similar value to those preferred by the caribou. We determined if caribou preferred coniferous forests at the coarse-scale and which stand characteristics were selected within coniferous stands at the fine-scale. Linear regression was used to determine which stand characteristics predicted the intensity of use of the coniferous forests by the caribou. The same stand characteristics were used to compare cutovers of various ages to coniferous forests using principal component analyses to determine if they share similar characteristics. We found at the coarse-scale that coniferous forests were most preferred but did not differ from cutovers, and at the fine-scale caribou used coniferous forests with more forage. Cutovers did not develop into forests with similar stand characteristics as the coniferous forests selected by the caribou; the canopy of the cutovers was more closed and supported less forage than the coniferous forests. Old cutovers (>40. years) foster less forage for caribou and may act as a refuge from predation. This may cause caribou to seek forage in more risky landscapes in order to meet dietary requirements. © 2012 Elsevier B.V. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/66769
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| Appears in Collections: | 影响、适应和脆弱性
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作者单位: | Department of Biology, Concordia University, 7141 Sherbrooke St. W., Montreal, QC H4B 1R6, Canada
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| Recommended Citation: | |
Hébert I.,Weladji R.B.. The use of coniferous forests and cutovers by Newfoundland woodland caribou[J]. Forest Ecology and Management,2013-01-01,291
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