Insights into surveying pangolins using ground and arboreal camera traps

IF 0.8 4区 生物学 Q3 ZOOLOGY Mammalia Pub Date : 2024-01-30 DOI:10.1515/mammalia-2023-0107
Jennifer F. Moore, Neus Estela, Koighae Toupou, Seny Koivogui, Abass Camara, Michel S. Diawara, Matthew H. Shirley
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Abstract

Arboreal camera traps are becoming more commonly used for monitoring wildlife. Pangolins (Order: Pholidota) are a threatened group of mammals that are challenging to monitor across their range. In this study, we assessed the use of arboreal and ground camera traps for monitoring the three pangolin species native to West Africa in the Ziama Man and Biosphere Reserve, Guinea. We fit occupancy models to our data to examine the effect of factors related to camera height and tree height on detection probability. In addition, we evaluated the utility of deploying multiple cameras within the same tree. Our study showed that arboreal camera traps can successfully detect both arboreal pangolin species, with the highest detection in mid-canopy for white-bellied pangolin and mid-to high-canopy for black-bellied pangolins. In addition, our results suggest at least 4–6 cameras deployed on each tree to maximize the opportunity of detecting these species. We did not detect giant pangolins. Further studies are needed to continue improving detection of all three pangolins for monitoring and adaptive management of these heavily harvested and traded species.
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使用地面和树栖相机陷阱调查穿山甲的启示
树栖相机陷阱越来越普遍地用于监测野生动物。穿山甲(目:Pholidota)是一类濒临灭绝的哺乳动物,在其分布区进行监测具有挑战性。在这项研究中,我们评估了在几内亚齐亚马人与生物圈保护区使用树栖和地面相机陷阱监测原产于西非的三种穿山甲的情况。我们对数据进行了占位模型拟合,以研究与相机高度和树高有关的因素对探测概率的影响。此外,我们还评估了在同一棵树上部署多台照相机的效用。我们的研究表明,树栖相机陷阱可以成功地探测到两种树栖穿山甲,其中白腹穿山甲在树冠中层的探测率最高,黑腹穿山甲在树冠中高层的探测率最高。此外,我们的研究结果表明,在每棵树上至少部署 4-6 台摄像机才能最大限度地探测到这些物种。我们没有探测到巨型穿山甲。我们需要进一步研究,以继续改进对所有三种穿山甲的检测,从而对这些被大量采伐和交易的物种进行监测和适应性管理。
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来源期刊
Mammalia
Mammalia 生物-动物学
CiteScore
2.20
自引率
10.00%
发文量
68
审稿时长
6-12 weeks
期刊介绍: Mammalia is an international, multidisciplinary, bimonthly journal devoted to the inventory, analysis and interpretation of mammalian diversity. It publishes original results on all aspects of the systematics and biology of mammals with a strong focus on ecology, including biodiversity analyses, distribution habitats, diet, predator-prey relationships, competition, community analyses and conservation of mammals. The journal also accepts submissions on sub-fossil or recently extinct mammals.
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