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Spatio-temporal pattern of latrine distribution in reintroduced Cuvier’s gazelles (Gazella cuvieri): an assessment in a Mediterranean forest reserve
Biologia ( IF 1.4 ) Pub Date : 2021-07-01 , DOI: 10.1007/s11756-021-00835-5
Saâd Hanane 1 , Zouheir Amhaouch 2
Affiliation  

Knowledge about the factors affecting the number of active latrines (NAL) of reintroduced Cuvier’s gazelles (Gazella cuvieri Ogilby, 1841) is of a crucial step aiming at understanding their distributional dynamics and their habitats preference. Here, we used six random 500-m transects to assess the effect of season, microhabitat, and management variables on the spatio-temporal pattern of latrines in the Tergou forest reserve (TFR). Our results showed that, in this reserve, NAL is mainly governed by the interaction between season and distance to the nearest developed runway, being higher at the farthest distances from the runway in autumn and the closest distances to it in summer and winter. Variation partitioning analysis confirmed this pattern as the interaction between season and distance to the nearest developed runway explains 82% (p = 0.001) of the total variance in NAL. The distance to the nearest fence also contributes, but marginally, in influencing the NAL in this forest enclosure. For the species’ management and conservation, it is recommended to dispose of sandy open ground areas especially in forest reserves to ensure ideal conditions for reintroduced gazelles. The pursuit of monitoring is necessary to understand mechanisms governing the distributional dynamics of Cuvier’s gazelles more deeply. As any enclosure, the TFR would offer a good opportunity for consolidating and improving the knowledge on this vulnerable mammal species in the view of a successful release in the wild.



中文翻译:

重新引入居维叶瞪羚 (Gazella cuvieri) 的时空分布模式:地中海森林保护区的评估

关于影响放归原居维耶瞪羚(Gazella cuvieri )活动厕所(NAL)数量因素的知识Ogilby, 1841) 是旨在了解它们的分布动态和栖息地偏好的关键一步。在这里,我们使用 6 个随机 500 米的样带来评估季节、微生境和管理变量对 Tergou 森林保护区 (TFR) 厕所时空格局的影响。我们的研究结果表明,在该保护区内,NAL 主要受季节和距最近已开发跑道的距离之间的相互作用影响,秋季距跑道最远的距离较高,夏季和冬季距跑道最近的距离较高。变异划分分析证实了这种模式,因为季节和到最近已开发跑道的距离之间的相互作用解释了 82%(p = 0.001) 的 NAL 总方差。到最近的栅栏的距离也对影响这个森林围场的 NAL 有一定的影响,但影响很小。为了物种的管理和保护,建议处理沙质空地,特别是森林保护区,以确保重新引入瞪羚的理想条件。追求监测对于更深入地了解控制居维叶瞪羚分布动态的机制是必要的。与任何围栏一样,TFR 将提供一个很好的机会,以巩固和提高对这种脆弱哺乳动物物种的了解,以便在野外成功释放。

更新日期:2021-07-01
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