Seasonal Space Use and Movement of a Grey Wolf (Canis lupus) in a Protected Archipelago in Lake Superior, Ontario

IF 0.6 4区 环境科学与生态学 Q4 Agricultural and Biological Sciences
A. McLaren, B. Patterson
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引用次数: 2

Abstract

Abstract. Data on movement of grey wolves (Canis lupus) in island systems is largely restricted to coastal environments and little is known about their space use and movement in freshwater archipelagos. We used data from a GPS-collared wolf in a protected archipelago in Lake Superior, Ontario to examine broad seasonal patterns in space use, movement, and activity. Over approximately 1 y of monitoring, the wolf made 190 crossings between islands and showed more extensive use of the archipelago during the nonwinter season. When ice was present in the archipelago, the mean weekly inter-island crossing rate of the wolf (± se) was 6.08 ± 1.31, with crossings largely restricted to the interior islands bounded by ice, compared to 2.85 ± 0.45 during the open water season. Mean wolf activity was highest in the nonwinter season, but movement rates were comparable across seasons. Our study is the first to document wolf movements in a freshwater archipelago with seasonal ice cover and supports data collection at fine temporal scales to better understand trends in wolf space use and movement at small spatial scales.
安大略省苏必利尔湖受保护群岛中灰狼(Canis lupus)的季节性空间使用和运动
摘要关于灰狼(Canis lupus)在岛屿系统中活动的数据主要限于沿海环境,对它们在淡水群岛中的空间利用和活动知之甚少。在安大略省苏必利尔湖的一个受保护的群岛上,我们使用了一只戴着gps项圈的狼的数据来研究空间使用、运动和活动的广泛季节性模式。在大约1年的监测中,狼在岛屿之间穿越了190次,并在非冬季更广泛地使用群岛。当群岛上有冰时,狼的平均周岛间穿越率(±se)为6.08±1.31,主要局限于被冰包围的内陆岛屿,而开放水域季节为2.85±0.45。狼的平均活动在非冬季是最高的,但不同季节的移动率是相似的。我们的研究首次记录了有季节性冰盖的淡水群岛上狼的活动,并支持在精细时间尺度上收集数据,以更好地了解狼在小空间尺度上的空间利用和运动趋势。
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来源期刊
American Midland Naturalist
American Midland Naturalist 环境科学-生态学
CiteScore
1.20
自引率
0.00%
发文量
38
审稿时长
18-36 weeks
期刊介绍: The American Midland Naturalist has been published for 90 years by the University of Notre Dame. The connotations of Midland and Naturalist have broadened and its geographic coverage now includes North America with occasional articles from other continents. The old image of naturalist has changed and the journal publishes what Charles Elton aptly termed "scientific natural history" including field and experimental biology. Its significance and breadth of coverage are evident in that the American Midland Naturalist is among the most frequently cited journals in publications on ecology, mammalogy, herpetology, ornithology, ichthyology, parasitology, aquatic and invertebrate biology and other biological disciplines.
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