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主要在柬埔寨干丹省的居民区觅食。

primarily forages in residential areas in Kandal, Cambodia.

作者信息

Choden Kinley, Ravon Sébastien, Epstein Jonathan H, Hoem Thavry, Furey Neil, Gely Marie, Jolivot Audrey, Hul Vibol, Neung Chhoeuth, Tran Annelise, Cappelle Julien

机构信息

Institut Pasteur du Cambodge Phnom Penh Cambodia.

EcoHealth Alliance New York New York.

出版信息

Ecol Evol. 2019 Mar 13;9(7):4181-4191. doi: 10.1002/ece3.5046. eCollection 2019 Apr.

Abstract

Bats are the second most species-rich Mammalian order and provide a wide range of ecologically important and economically significant ecosystem services. Nipah virus is a zoonotic emerging infectious disease for which pteropodid bats have been identified as a natural reservoir. In Cambodia, Nipah virus circulation has been reported in , but little is known about the spatial distribution of the species and the associated implications for conservation and public health.We deployed Global Positioning System (GPS) collars on 14 to study their movements and foraging behavior in Cambodia in 2016. All of the flying foxes were captured from the same roost, and GPS locations were collected for 1 month. The habitats used by each bat were characterized through ground-truthing, and a spatial distribution model was developed of foraging sites.A total of 13,643 valid locations were collected during the study. Our study bats flew approximately 20 km from the roost each night to forage. The maximum distance traveled per night ranged from 6.88-105 km and averaged 28.3 km. Six of the 14 bats visited another roost for at least one night during the study, including one roost located 105 km away.Most foraging locations were in residential areas (53.7%) followed by plantations (26.6%). Our spatial distribution model confirmed that residential areas were the preferred foraging habitat for , although our results should be interpreted with caution due to the limited number of individuals studied. : Our findings suggest that the use of residential and agricultural habitats by may create opportunities for bats to interact with humans and livestock. They also suggest the importance of anthropogenic habitats for conservation of this vulnerable and ecologically important group in Cambodia. Our mapping of the probability of occurrence of foraging sites will help identification of areas where public awareness should be promoted regarding the ecosystem services provided by flying foxes and potential for disease transmission through indirect contact.

摘要

蝙蝠是物种丰富度排名第二的哺乳动物目,提供了广泛的具有重要生态意义和经济意义的生态系统服务。尼帕病毒是一种人畜共患的新兴传染病,已确定狐蝠为其天然宿主。在柬埔寨,已有尼帕病毒传播的报道,但对于该物种的空间分布以及对保护和公共卫生的相关影响知之甚少。2016年,我们在14只(狐蝠)身上部署了全球定位系统(GPS)项圈,以研究它们在柬埔寨的活动和觅食行为。所有的果蝠均从同一栖息地捕获,并收集了1个月的GPS位置信息。通过实地调查确定了每只蝙蝠所使用的栖息地,并建立了觅食地点的空间分布模型。

研究期间共收集到13643个有效位置信息。我们研究的蝙蝠每晚从栖息地飞出约20公里觅食。每晚飞行的最大距离在6.88 - 105公里之间,平均为28.3公里。在研究期间,14只蝙蝠中有6只至少有一晚前往了另一个栖息地,其中一个栖息地距离达105公里。

大多数觅食地点位于居民区(53.7%),其次是种植园(26.6%)。我们的空间分布模型证实,居民区是(果蝠)首选的觅食栖息地,不过由于研究个体数量有限,对我们的结果应谨慎解读。(狐蝠):我们的研究结果表明,(果蝠)对居民区和农业栖息地的利用可能为蝙蝠与人类和牲畜的接触创造机会。这些结果还表明了人为栖息地对于保护柬埔寨这一脆弱且具有重要生态意义的群体的重要性。我们绘制的觅食地点出现概率图将有助于确定哪些区域应提高公众对果蝠提供的生态系统服务以及通过间接接触传播疾病可能性的认识。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/abb1/6468066/b38fca9d4206/ECE3-9-4181-g001.jpg

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