Reproductive ecology of free-ranging striped hyena Hyaena hyaena in central Israel

IF 1.7 4区 环境科学与生态学 Q3 ECOLOGY
Ezra Hadad, Amir Balaban, Jakub Z. Kosicki, Reuven Yosef
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引用次数: 0

Abstract

The striped hyena is one of the most secretive and enigmatic mammal species. Despite some success in describing their distribution and analyzing population trends, further understanding of the factors affecting reproductive success is needed. Therefore, we present the first analysis of the reproductive success of this species in the wild. We measured the reproductive success of female striped hyenas in at least one litter over 15 breeding seasons. We inspected 33 dens with 67 breeding events during this time and recorded 151 young hyenas. The dens were inhabited for an average of 2 years, with litter sizes ranging from 1 to 4 per reproductive female and most young born between January and June. We also found that litter size was positively associated with lowland areas and shrubs near the den. Despite methodological limitations that we could not overcome given the enigmatic nature of this species, our discovery is crucial because we have shown that reproductive success depends on the habitat in which dens are located, thus ensuring consistent reproductive success over the long-term cycle.

Abstract Image

以色列中部散养条纹鬣狗的生殖生态学
条纹鬣狗是最神秘莫测的哺乳动物物种之一。尽管在描述其分布和分析种群趋势方面取得了一些成功,但仍需要进一步了解影响繁殖成功率的因素。因此,我们首次对该物种在野外的繁殖成功率进行了分析。我们测量了雌性条纹鬣狗在 15 个繁殖季节中至少一胎的繁殖成功率。在此期间,我们检查了 33 个巢穴,共进行了 67 次繁殖活动,记录了 151 只小鬣狗。这些巢穴平均居住了 2 年,每只雌性条纹土狼的产仔数从 1 到 4 不等,大多数幼崽在 1 月至 6 月间出生。我们还发现,产仔数与巢穴附近的低洼地区和灌木丛呈正相关。尽管由于该物种的神秘性,我们无法克服方法上的局限性,但我们的发现是至关重要的,因为我们证明了繁殖成功与否取决于巢穴所在的栖息地,从而确保了长期周期内持续的繁殖成功。
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来源期刊
Ecological Research
Ecological Research 环境科学-生态学
CiteScore
4.40
自引率
5.00%
发文量
87
审稿时长
5.6 months
期刊介绍: Ecological Research has been published in English by the Ecological Society of Japan since 1986. Ecological Research publishes original papers on all aspects of ecology, in both aquatic and terrestrial ecosystems.
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