Variance in Centrality within Rock Hyrax Social Networks Predicts Adult Longevity
نویسندگان
چکیده
منابع مشابه
Variance in Centrality within Rock Hyrax Social Networks Predicts Adult Longevity
BACKGROUND In communal mammals the levels of social interaction among group members vary considerably. In recent years, biologists have realized that within-group interactions may affect survival of the group members. Several recent studies have demonstrated that the social integration of adult females is positively associated with infant survival, and female longevity is affected by the streng...
متن کاملElevated testosterone levels and social ranks in female rock hyrax.
In mammals, males maintain significantly higher testosterone (T, 'the male hormone') levels than females throughout the year and are typically dominant over females. Our study of the cooperatively breeding rock hyrax (Procavia capensis) demonstrated a distinct exception. In most hyrax social groups that we studied, adult females were at the highest social rank within the group and showed higher...
متن کاملProcavia capensis – Rock Hyrax
Taxonomic notes: While as many as 17 subspecies have been described across its range by Hoeck and Bloomer (2013), only one (P. c. capensis), is recognised from the assessment region (Meester et al. 1986). However, Prinsloo and Robinson (1992) discovered a genetic break between the north-western and south-central populations in South Africa, indicating a possible species complex. Similarly, Viss...
متن کاملCentrality in Social Networks
Centrality is an important concept in the study of social networks, which in turn are important in studying organisational and team behaviour. For example, “central” individuals influence information flow and decisionmaking within a group. However, the relationship between mathematical measures of centrality on the one hand, and the real-world phenomenon of centrality on the other, is somewhat ...
متن کاملSleep in the rock hyrax, Procavia capensis.
We investigated sleep in therock hyrax, Procavia capensis, a social mammal that typically lives in colonies on rocky outcrops throughout most parts of Southern Africa. The sleep of 5 wild-captured, adult rock hyraxes was recorded continuously for 72 h using telemetric relay of signals and allowing unimpeded movement. In addition to waking, slow wave sleep (SWS) and an unambiguous rapid eye move...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2011
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0022375