Home range and movements of San Joaquin antelope squirrels in the San Joaquin Desert of California

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-07-06 DOI:10.51492/CFWJ.CESASI.19

D. Germano, G. Rathbun, L. Saslaw, B. Cypher

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引用次数: 3

Abstract

The San Joaquin antelope squirrel (Ammospermophilus nelsoni) is one of five species in the genus and has the most restricted range of the four mainland antelope squirrels, occurring only in the San Joaquin Desert of California. Despite being state-listed as Threatened since 1980, few studies have been conducted on A. nelsoni, especially ecological studies, which hampers recovery efforts. We conducted a radio-telemetry study in 2002 of 19 males on the Lokern Natural Area in the southwestern portion of the San Joaquin Desert. Based on 100% Minimum Convex Polygons (MCP), home ranges varied from 1.25–14.5 ha with a mean of 5.93 ha (± 0.90 standard error). The average daily distance traveled by these 19 males was 128.5 m (range, 71.4–224.5) and the average greatest distance travelled in a day was 313.0 m, with some traveling > 0.5 km. Our data are useful to further refine the estimates of home range and movements of this neglected protected species, but in the future, better home range studies are needed that span multiple years, include both sexes, and occur at sites across its range.

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圣华金羚羊和松鼠在加州圣华金沙漠的活动范围

圣华金羚羊松鼠(ammosperophilus nelsoni)是该属的五种之一，是四种大陆羚羊松鼠中活动范围最有限的一种，只出现在加利福尼亚州的圣华金沙漠。尽管自1980年以来就被列为国家濒危物种，但很少有研究对nelsoni进行研究，特别是生态研究，这阻碍了恢复工作。2002年，我们在圣华金沙漠西南部的Lokern自然区域对19只雄性进行了无线电遥测研究。基于100%最小凸多边形(MCP)，住宅范围从1.25-14.5公顷不等，平均为5.93公顷(±0.90标准误差)。19只雄蚊日平均行走距离为128.5 m(范围71.4 ~ 224.5)，日平均最大行走距离为313.0 m，有的行走距离为0.5 km。我们的数据有助于进一步完善这种被忽视的受保护物种的活动范围和活动估计，但在未来，需要更好的跨越多年的活动范围研究，包括两性，并在其活动范围内的地点进行研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.