1994 - 2009年阿拉斯加中部两个非迁徙驯鹿群的种群特征、空间利用和栖息地选择

Rangifer Pub Date : 2014-01-24 DOI:10.7557/2.34.1.2572

Jon S. Horne, T. Craig, K. Joly, G. Stout, M. Cebrian, E. O. Garton

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Garton","doi":"10.7557/2.34.1.2572","DOIUrl":null,"url":null,"abstract":"Normal 0 21 false false false SV X-NONE X-NONE /* Style Definitions */ \n table.MsoNormalTable \n {mso-style-name:\"Normal tabell\"; \n mso-tstyle-rowband-size:0; \n mso-tstyle-colband-size:0; \n mso-style-noshow:yes; \n mso-style-priority:99; \n mso-style-parent:\"\"; \n mso-padding-alt:0cm 5.4pt 0cm 5.4pt; \n mso-para-margin-top:0cm; \n mso-para-margin-right:0cm; \n mso-para-margin-bottom:10.0pt; \n mso-para-margin-left:0cm; \n line-height:115%; \n mso-pagination:widow-orphan; \n font-size:11.0pt; \n font-family:\"Calibri\",\"sans-serif\"; \n mso-ascii-font-family:Calibri; \n mso-ascii-theme-font:minor-latin; \n mso-hansi-font-family:Calibri; \n mso-hansi-theme-font:minor-latin; \n mso-fareast-language:EN-US;} \n Conservation and management of Alaska’s caribou ( Rangifer tarandus granti ) herds are important for ecological, cultural, social, and economic reasons. 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引用次数: 4

摘要

正常0 21 false false false SV X-NONE X-NONE /*样式定义*/表。mso-style-name:"Normal table ";mso-tstyle-rowband-size: 0;mso-tstyle-colband-size: 0;mso-style-noshow:是的;mso-style-priority: 99;mso-style-parent:“”;Mso-padding-alt:0cm 5.4pt;mso-para-margin-top: 0厘米;mso-para-margin-right: 0厘米;mso-para-margin-bottom: 10.0分;mso-para-margin-left: 0厘米;行高:115%;mso-pagination: widow-orphan;字体大小:11.0分;字体类型:“Calibri”、“无衬线”;mso-ascii-font-family: Calibri;mso-ascii-theme-font: minor-latin;mso-hansi-font-family: Calibri;mso-hansi-theme-font: minor-latin;阿拉斯加驯鹿群的保护和管理在生态、文化、社会和经济方面都很重要。虽然大多数研究都是针对大型迁徙兽群，但可能会或可能不会迁徙的小型兽群也可能是该州动物资源中同样有价值的组成部分;但对于这些较小的畜群，缺乏关于畜群规模、人口统计、空间使用和运动的基本信息。我们收集了1994年至2009年在阿拉斯加中部两个这样的牧群，Hodzana Hills牧群(HHH)和Ray Mountain牧群(RMH)的甚高频(VHF)遥测数据，并估计了丰度、生存、资源选择和季节性活动范围，为这些牧群的未来管理提供信息。我们发现两个种群都相对较小且稳定，大约有1000 - 1500只个体;成年母象的年存活率很高(RMH和HHH分别为93%和94%)，与阿拉斯加其他稳定或增长的畜群相当。两个象群都是非迁徙性的，保持了大量重叠的季节性范围。此外，尽管它们距离很近，但我们没有记录到两个象群之间有任何个体交换。它们在空间上的分离可能部分是由于一条与道尔顿高速公路平行的非首选栖息地。虽然我们使用的遥测数据最初并不是为了本研究的目的而收集的，但仔细的汇编和适当的分析技术的应用使我们能够收集到这些牛群的重要特征，这些特征将在未来对监管和管理机构有价值。正常0 21 false false false SV X-NONE X-NONE /*样式定义*/表。mso-style-name:"Normal table ";mso-tstyle-rowband-size: 0;mso-tstyle-colband-size: 0;mso-style-noshow:是的;mso-style-priority: 99;mso-style-parent:“”;Mso-padding-alt:0cm 5.4pt;mso-para-margin-top: 0厘米;mso-para-margin-right: 0厘米;mso-para-margin-bottom: 10.0分;mso-para-margin-left: 0厘米;行高:115%;mso-pagination: widow-orphan;字体大小:11.0分;字体类型:“Calibri”、“无衬线”;mso-ascii-font-family: Calibri;mso-ascii-theme-font: minor-latin;mso-hansi-font-family: Calibri;mso-hansi-theme-font: minor-latin;mso-fareast-language: en - us;}

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Population characteristics, space use and habitat selection of two non-migratory caribou herds in central Alaska, 1994 - 2009

Normal 0 21 false false false SV X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Normal tabell"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-fareast-language:EN-US;} Conservation and management of Alaska’s caribou ( Rangifer tarandus granti ) herds are important for ecological, cultural, social, and economic reasons. While most research is directed towards the large migratory herds, smaller herds that may or may not be migratory can be an equally valuable component of the state’s faunal resources; but for many of these smaller herds, basic information on herd size, demographics, space use and movements is lacking. We compiled Very High Frequency (VHF) telemetry data collected from 1994 - 2009 on 2 such herds in central Alaska, the Hodzana Hills Herd (HHH) and the Ray Mountain Herd (RMH) and estimated abundance, survival, resource selection and seasonal home ranges to inform future management of these herds. We found that both herds were relatively small and stable with approximately 1000 – 1500 individuals; annual survivorship of adult females was high (93% and 94% for RMH and HHH, respectively) and comparable to other stable or increasing herds in Alaska. Both herds were non-migratory maintaining seasonal ranges with substantial overlap. Additionally, despite their close proximity, we did not document any exchange of individuals between the 2 herds. Their spatial separation may be partly due to a strip of non-preferred habitat that somewhat parallels the Dalton Highway. While the telemetry data we used were not originally collected for the purpose of this study, careful compilation and application of appropriate analytical techniques allowed us to glean important characteristics of these herds that will be of value to regulatory and management agencies in the future. Normal 0 21 false false false SV X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Normal tabell"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-fareast-language:EN-US;}

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Rangifer

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审稿时长

22 weeks