Copulation behavior within one-male groups of wild Rhinopithecus roxellana in the Qinling Mountains of China
Copulation behavior within one-male groups of wild Rhinopithecus roxellana in the Qinling Mountains of China
复制标题
秦岭野生金丝猴单雄性群体的交配行为
DOI：
10.1007/s10329-006-0029-7
复制
发表时间：
2007-07-01
期刊：
影响因子：
1.7
通讯作者：
Zhao, Dapeng
中科院分区：
文献类型：
--
作者：
Li, Baoguo;Zhao, Dapeng
2003年7月8日至2004年5月24日，对秦岭北坡周至国家级自然保护区川金丝猴（Rhinopithecus roxellana）西岭群进行了重点动物取样研究。每个焦点男性每个月的交配的平均频率的差异是显着的（F = 3.068，P = 0.016，单因素方差分析检验），大多数交配发生在9月和11月之间。插入持续时间范围为2 - 39 s，平均值为16.0 ± 0.4 s。女性发起了627次求爱尝试（96.2%），而男性仅发起了3.8%。成年雌猴（72.8%）和亚成年雌猴（27.2%）均有性骚扰行为。2004年生育的女性在2003年生育期的性干扰行为多于随机预期（X-2 = 13.73 > X-0.005，2（2），df = 2，P < 0.005）。男性对女性干扰的反应分为“律师安装”和“中断安装”。居民男性的一个男性单位没有观察到安装律师和中断或安装既不以下女性招标中断。在这项研究中还观察到三次受孕后的交配。这些结果表明，一个倾斜的性竞争，多个女性竞争一个单一的男性，这是表现在求爱尝试和女性的干扰。
This study was conducted using focal animal sampling on the west ridge group of the Sichuan snub-nosed monkey (Rhinopithecus roxellana) located in the Zhouzhi National Nature Reserve on the north slope of the Qinling Mountains, from 8 July 2003 to 24 May 2004. The difference in the average frequency of copulations for each focal male for each month was significant (F = 3.068, P = 0.016, one-way ANOVA test) with the majority of copulations occurring between September and November. Duration of intromission ranged from 2 to 39 s, with a mean of 16.0 +/- 0.4 s. Females initiated 627 courtship attempts (96.2%), while males only initiated 3.8%. Both adult females (72.8%) and sub-adult females (27.2%) were involved in sexual interference acts. Females who gave birth in 2004 performed more sexual interference acts than would be expected by chance in the reproductive period of 2003 ( X-2 = 13.73 > X-0.005,2(2), df = 2, P < 0.005). Male response to female interference was equally divided into "solicitor mounting'' and "interrupter mounting''. The resident males of one-male units were not observed to mount both the solicitor and the interrupter or mount neither following female solicitation interruptions. Three post-conception copulations were also observed in this study. These results suggest a skewed sexual competition, with multiple females competing for a single male, which was shown by courtship attempts and female interference.