Agonistic interactions and social behaviors in the Saharan Dorcas gazelle (Gazella dorcas neglecta): Using social network analysis to evaluate relationships and social structure in captive male groups.

IF 1.2 4区 生物学 Q3 VETERINARY SCIENCES Zoo Biology Pub Date : 2024-05-01 Epub Date: 2024-02-06 DOI:10.1002/zoo.21824
Blanca Cortés, Ana Fidalgo, Sergio Díaz, Teresa Abáigar
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Abstract

Social interactions, including agonistic behavior, are very important for the management and welfare of individuals forming groups in captivity. One of the main concerns for the stability and durability of adult male groups is a noticeable level of intraspecific aggression. This study comprises a Social Network Analysis to illustrate social structure in different groups of captive Saharan Dorcas gazelles (Gazella dorcas neglecta). Our main objectives were to examine the relationship between agonistic, affiliative, and association networks and their reciprocity, assessing also whether the agonistic networks can conform to a linear dominance hierarchy. For these purposes, we recorded the behavior of 23 adult males organized in five herds, three composed only of Saharan Dorcas gazelle males and two mixed herds in which there were also Mhorr gazelle males (Nanger dama mohor). Observations were carried out during 295 h through scan sampling. We found no correlation between the affiliative and association networks in any group, although there was a significant correlation between the agonistic and association networks in mixed-species groups which was not present in single-species groups. Overall, there was no consistent reciprocity in either affiliative nor agonistic networks and none of the agonistic networks showed a linear structure. These results indicate that affiliative behavior in Saharan Dorcas gazelles offers distinctive and valuable information about the bonds between individuals, however, their dominance structure is far more complex than previously thought. As information provided by affiliative and proximity behaviors is different in this species, we suggest considering affiliative interactions to stablish affinity between individuals. Evaluating different social behaviors and not only agonistic interactions in later studies, is also recommended to develop a more accurately daily management in zoos that guarantee group stability and individuals' welfare, which will improve the conservation of captive populations.

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撒哈拉多喀羚(Gazella dorcas neglecta)的雌雄互动和社会行为:利用社会网络分析评估圈养雄性群体的关系和社会结构。
社会交往,包括争斗行为,对圈养中形成群体的个体的管理和福利非常重要。成年雄性群体的稳定性和持久性的主要问题之一是明显的种内攻击行为。本研究通过社会网络分析来说明圈养的撒哈拉多喀斯瞪羚(Gazella dorcas neglecta)不同群体的社会结构。我们的主要目的是研究激动型、从属型和关联型网络之间的关系及其互惠性,同时评估激动型网络是否符合线性支配等级制度。为此,我们记录了 23 只成年雄性瞪羚的行为,这些雄性瞪羚分为五个群,其中三个群仅由撒哈拉多尔卡瞪羚雄性组成,另外两个群为混合群,其中还有莫尔瞪羚雄性(Nanger dama mohor)。观察时间为 295 小时,采用扫描取样法。我们发现,在任何群体中,隶属网络和关联网络之间都不存在相关性,但在混群群体中,激动网络和关联网络之间存在显著相关性,而在单一物种群体中则不存在这种相关性。总体而言,无论是从属网络还是激动网络都不存在一致的互惠性,而且没有一个激动网络显示出线性结构。这些结果表明,撒哈拉多哥瞪羚的从属行为提供了关于个体间联系的独特而有价值的信息,然而,它们的支配结构远比以前认为的要复杂得多。由于该物种的从属行为和接近行为提供的信息不同,我们建议考虑用从属互动来建立个体间的亲和力。我们还建议在以后的研究中评估不同的社会行为,而不仅仅是激动式互动,以便在动物园中制定更准确的日常管理方法,保证群体的稳定和个体的福利,从而改善圈养种群的保护。
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来源期刊
Zoo Biology
Zoo Biology 生物-动物学
CiteScore
2.50
自引率
15.40%
发文量
85
审稿时长
6-12 weeks
期刊介绍: Zoo Biology is concerned with reproduction, demographics, genetics, behavior, medicine, husbandry, nutrition, conservation and all empirical aspects of the exhibition and maintenance of wild animals in wildlife parks, zoos, and aquariums. This diverse journal offers a forum for effectively communicating scientific findings, original ideas, and critical thinking related to the role of wildlife collections and their unique contribution to conservation.
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