Defining the Low End of Primate Social Complexity: The Social Organization of the Nocturnal White-Footed Sportive Lemur (Lepilemur leucopus).
Defining the Low End of Primate Social Complexity: The Social Organization of the Nocturnal White-Footed Sportive Lemur (Lepilemur leucopus).
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DOI：
10.1007/s10764-013-9735-3
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发表时间：
2013
影响因子：
2.5
通讯作者：
Kappeler, Peter M.
中科院分区：
文献类型：
--
作者：
Droescher, Iris;Kappeler, Peter M.
虽然其他种类的运动狐猴（Lepilemur属）已被描述为生活在分散的对，其特点是空间重叠，但缺乏一个成年男性和女性之间的亲和力或联系，现有的报告白足运动狐猴（Lepilemur leucopus）的社会组织是相互矛盾的，将它们描述为生活在分散的一个男性多女性系统或对。我们进行了这项研究，在马达加斯加南部的贝伦蒂保护区的多刺森林，以澄清社会组织，并表征该物种的社会复杂性的水平。我们结合了1530小时的无线电遥测和行为观察，在一个为期1年的时间来描述时空的稳定性，大小，和个体间的重叠，个人的家庭范围，以及个体间的凝聚力。结果显示低内和高间性家域重叠。虽然大多数的社会单位确定的分散对（N = 5），男性与两个成年女性在两种情况下。此外，一个社会单位的成员从来没有观察到梳理对方或共享一个白天睡觉的网站，和哈钦森和唐卡斯特的动态互动测试表明，积极回避对合作伙伴之间。低凝聚力加上极低的社会互动率，因此可以说将Lepilemur leucopus置于灵长类社会复杂性的低端。
Whereas other species of sportive lemurs (genus Lepilemur) have been described as living in dispersed pairs, which are characterized by spatial overlap but a lack of affinity or affiliation between one adult male and female, existing reports on the social organization of the white-footed sportive lemur (Lepilemur leucopus) are conflicting, describing them as either living in dispersed one-male multifemale systems or pairs. We conducted this study in the spiny forest of Berenty Reserve, southern Madagascar, to clarify the social organization and to characterize the level of social complexity of this species. We combined 1530 h of radio-telemetry and behavioral observations over a period of 1 yr to describe the spatiotemporal stability, size, and interindividual overlap of individual home ranges as well as interindividual cohesiveness. Results revealed low intra- and high intersexual home range overlap. Although most of the social units identified consisted of dispersed pairs (N = 5), males were associated with two adult females in two cases. Furthermore, members of a social unit were never observed to groom each other or to share a daytime sleeping site, and Hutchinson’s and Doncaster’s dynamic interaction tests indicated active avoidance between pair partners. Low cohesiveness together with extremely low rates of social interactions therefore arguably places Lepilemur leucopus at the low end of primate social complexity.
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影响因子：
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