Social cliques in male northern muriquis Brachyteles hypoxanthus
Social cliques in male northern muriquis Brachyteles hypoxanthus作者机构:Department of Experimental Psychology University of S~io Paulo Av. Prof. Mello Moraes 1721 CEP 05508-030 Sao Paulo Brazil Wildlife Conservation Society Rio de Janeiro Brazil Department of Anthropology University of Wisconsin-Madison USA
出 版 物:《Current Zoology》 (动物学报(英文版))
年 卷 期:2012年第58卷第2期
页 面:342-352页
核心收录:
学科分类:12[管理学] 03[法学] 081603[工学-地图制图学与地理信息工程] 081802[工学-地球探测与信息技术] 07[理学] 08[工学] 070503[理学-地图学与地理信息系统] 030301[法学-社会学] 0303[法学-社会学] 1204[管理学-公共管理] 0818[工学-地质资源与地质工程] 0705[理学-地理学] 0816[工学-测绘科学与技术]
基 金:Support for this study was provided by FAPESP Sustainable Development of the Brazilian Biodiversity Program- PROBIO / MMA / BIRD / GEF / CNPq
主 题:Brachyteles hypoxanthus Male northern muriquis Social relationship Social clique Social network analysis
摘 要:Analyses of spatial relationships and social interactions provide insights into the social structure of animal societies and the ways in which social preferences among and between dyads affect higher order social relationships. In this paper we de- scribe the patterns of spatial associations and social interactions among adult male northern muriquis in order to evaluate the dy- namics of their social networks above the dyadic levels. Systematic observations were made on the 17 adult males present in a multi-male/multi-female group from April 2004 through February 2005, and in July 2005. Analyses of their spatial relationships identified two distinct male cliques; some adult males (called "N" males) were more connected to the females and immatures than other adult males ("MU" males), which were more connected to one another. Affiliative interactions were significantly higher among dyads belonging to the same clique than to different cliques. Although frequencies of dyadic agonistic interactions were similarly low among individuals within and between cliques, MU males appeared to be subordinate to N males. Nonetheless, there were no significant differences in the copulation rates estimated for MU males and N males. Mutual benefits of cooperation between MU and N cliques in intergroup encounters might explain their ongoing associations in the same mixed-sex group