The role of vigilance in the survival and reproductive strategies of desert baboons
The role of vigilance in the survival and reproductive strategies of desert baboons
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DOI：
10.1163/156853998793066203
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发表时间：
1998-06-01
期刊：
影响因子：
1.3
通讯作者：
Cowlishaw, G
中科院分区：
文献类型：
--
作者：
Cowlishaw, G
本研究调查的相对重要性的警惕性的生存策略（检测的捕食者）和繁殖策略（检测的配偶和竞争对手）的成年狒狒Papio cynocephalus ursinus之间的四个组在沙漠人口的比例在各种条件下花费警惕的时间进行了量化，通过即时抽样的焦点个人。然后进行匹配比较，以测试每个功能解释（生存或繁殖）的六个预测。这些与警惕性有关：（1）性别，（2）群体大小，（3）活动，（4）栖息地，（5）避难所使用和（6）间隔行为。不同性别或群体之间的警戒水平没有差异。然而，女性在从事高风险活动、远离避难所和远离邻居时更加警惕。男性的警惕性同样与避难所的使用和间隔行为，但男性并不总是更警惕的危险活动，并显示更大的警惕性，而不是封闭的栖息地。根据测试的预测，结果提供了部分支持的建议，警惕起着一定的作用，在捕食者检测两性，虽然在男性的潜在的配偶和竞争对手的检测似乎是更重要的。没有证据表明雄性为雌性提供警戒服务。警戒模式是复杂的活动限制和反捕食者策略的多因素性质。
This study investigates the relative importance of vigilance in the survival strategies (detection of predators) and reproductive strategies (detection of mates and competitors) of adult baboons Papio cynocephalus ursinus among four groups in a desert population The proportion of time spent vigilant under a variety of conditions was quantified through instantaneous sampling of focal individuals. Matched comparisons were then conducted to test six predictions for each functional explanation (survival or reproduction). These relate vigilance to (1) sex, (2) group size, (3) activity, (4) habitat, (5) refuge use and (6) spacing behaviour. Vigilance levels do not differ between sexes or groups. However, females are more vigilant when engaged in high-risk activities, when distant from refuges and when distant from neighbours. Male vigilance similarly covaries with refuge use and spacing behaviour, but males are not always more vigilant in dangerous activities and show greater vigilance in open rather than closed habitats. According to the predictions tested, the results provide partial support for the proposal that vigilance plays a role in predator detection for both sexes, although in males the detection of potential mates and competitors appears to be of greater importance. There was no evidence that males provide a vigilance service for females. Vigilance patterns are complicated by activity constraints and the multifactorial nature of anti-predator strategies.