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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Postconflict Behavior of Captive Formosan Macaques ( Macaca cyclopis )

Wu, Kun-lin 31 July 2008 (has links)
The purpose of this study was to investigate the post-conflict reconciliation, consolation, solicited affiliation, stress and redirection in the captive Formosan macaques¡]Macaca cyclopis¡^in the Taipei Zoo. I used the post-conflict and matched-control (PC-MC) method to calculate the conciliatory tendency (CCT) and the triadic contact tendency (TCT) in adult macaques. The mean CCT for kin (83.33%) was significantly higher than that for non-kin (0.36%), and victims initiated reconciliation toward aggressors in higher rank classes significant more than both of them were in the same rank. The mean TCTs of aggressors and the victims were similar toward different triadic contact opponents (opponent¡¦s kin, own kin, unrelated individual). The ratio of the attracted pairs of victims who reconciled with aggressors by sociosexual behavior (15.23%) was significant higher than dispersed pairs (non-exist). In addition, the ratio of attracted pairs of victims who reconciled with unrelated third party by affiliation (46.72%) was significant higher than the dispersed pairs (21.76%). The similar situation also occurred in sociosexual behavior (28.68% verse 1.75%). However, aggressors and victims had similar chance to take the initiative affiliation after conflict (P > 0.05) The frequency of self-directed behavior (SDB) of Formosan macaques was slightly higher in the first 4 minutes in PC. The frequency of SDB after reconciliation (14.6 bouts/100 min) was not significantly lower than that before reconciliation (23.2 bouts/100 min) or when affiliation behavior did not occur (22.3 bouts/100 min). When the conflict opponents were kin, the SDB frequency (16.1 bouts/100 min) was not significantly lower than non-kin (24.1 bouts/100 min). The targets of redirect aggression were mostly unrelated individuals (82.61%). The mean CCT of the victims (16.50%) did not significant differ from the mean consolation TCT of the victims (48.81%), which indicated that reconciliation and consolation played similar critical roles after conflict. The sociosexual behavior performed by victims only occurred in PC (34.85%), which indicated the purpose of sociosexual behavior in reconciliation was to prevent further attack from aggressors. The chance of victims did not involve reconciliation and consolation, but solicited affiliation with a third party in PC was 23.32%. This indicated that the solicited affiliation might function to exchange the aggressive supports from the third party in the following conflicts.
2

A Comparison of Agonistic Behavior and Reconciliation in Free-ranging and Captive Formosan Macaques (Macaca cyclopis)

Wei, Shih-hui 12 September 2006 (has links)
The purpose of this study was to analyze and compare the agonistic behaviors and reconciliation in captive and free-ranging Formosan macaques (Macaca cyclopis). The dominance style of Formosan macaques was compared with long-tailed, rhesus and Japanese macaques. I have used scan, focal sampling and ad libitum on aggressions of adult macaques. I have recorded post-conflict (PC) focal samplings on victims and compared those with matched control (MC) focal samplings. Agonistic behaviors had significantly higher frequency in captive than in free-ranging Formosan macaques. The frequencies of hostile and submission were significantly higher in captive than in free-ranging Formosan macaques. The captive adult females of higher rank had higher frequency of threat and hostile, and lower frequency of submission. Threat was the most frequent aggression (52-72%) expressed by both the captive and free-ranging adult monkeys. The victims in captive and free-ranging Formosan macaques usually submitted immediately after aggression (82-89%). The proportion of counter aggression in captive and free-ranging Formosan macaques were relative low (9-16%). The aqerage conciliatory tendency for adult Formosan macaques was 14.3% to 19.6%. The affiliative contacts in PC and MC in captive and free-ranging Formosan macaques were striking that both preferred grooming. The Formosan macaques significantly reconciled more during PC than MC period both in captive and free-ranging conditions. In addition, both had significantly more attracted than dispersed PC-MC pairs. The conciliatory tendencies in captive and free-ranging Formosan macaques were similar regardless of kin and non-kin partners. This study indicated that Formosan macaques were close to the macaques of Fascicularis group. Therefore, Formosan macaques had a despotic dominance style as suggested by Phylogenetic hypotheses.

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