Occurrence and Habitat Use of Non-native Small Mammals in Upland Urban-Forest Environment in Northern Philippines

IF 0.4 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
A. Reginaldo, Karen Claude Soriano, Bernadette Iglesia, Ceszie Vertudes
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引用次数: 0

Abstract

In the Philippines, few researches have been conducted about small mammals in urban areas at high elevation, where forests remain and non-native pest species can proliferate. Previous studies in Baguio City, Benguet Province reported three non-native species. This study extended these prior surveys by sampling in 13 localities, employing standard trapping method to document the distribution of species in an urban-forest setting. In 4,711 trap nights, 94 individuals were captured, consisting of four non-native species: Rattus exulans, Rattus tanezumi, Mus musculus, and Suncus murinus. Analysis of occurrence and relative abundance of species showed that small mammal distribution varied among the habitats, and appeared that variation may have been related to differences in vegetation structure or a habitat’s disturbance level. Rattus tanezumi was the most widespread, being especially common in backyard farms and in the public market. Suncus murinus was also widespread but less abundant than R. tanezumi. Rattus exulans was uncommon and restricted to certain area of a given habitat, particularly preferring weed-dominated areas. These suggest that non-native species are common and widespread in urban-forest setting but with apparent habitat preferences. The non-detection of native species is notable, suggesting that thorough studies can be done in the future.
菲律宾北部内陆城市森林环境中非本地小型哺乳动物的发生及栖息地利用
在菲律宾,很少对高海拔城市地区的小型哺乳动物进行研究,因为那里仍有森林,非本土害虫物种可以繁殖。先前在本盖省碧瑶市进行的研究报告了三种非本地物种。这项研究扩展了这些先前的调查,在13个地方进行了抽样,采用标准诱捕方法来记录城市森林环境中的物种分布。在4711个陷阱之夜,捕获了94只个体,其中包括四个非本土物种:远缘藤、坦泉藤、小家鼠和黑家鼠。对物种发生率和相对丰度的分析表明,小型哺乳动物在不同栖息地的分布不同,这种变化可能与植被结构或栖息地干扰水平的差异有关。田家鼠分布最广,尤其常见于后院农场和公共市场。黑松也分布广泛,但数量不如丹泽明。藤蜕皮并不常见,仅限于特定栖息地的特定区域,尤其喜欢杂草为主的区域。这些表明,非本土物种在城市森林环境中很常见,分布广泛,但有明显的栖息地偏好。值得注意的是,没有发现本地物种,这表明未来可以进行彻底的研究。
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来源期刊
CiteScore
0.90
自引率
0.00%
发文量
10
审稿时长
2 months
期刊介绍: The Journal of Environmental Science and Management (JESAM) is an international scientific journal produced semi-annually by the University of the Philippines Los Baños (UPLB). JESAM gives particular premium to manuscript submissions that employ integrated methods resulting to analyses that provide new insights in environmental science, particularly in the areas of: environmental planning and management; protected areas development, planning, and management; community-based resources management; environmental chemistry and toxicology; environmental restoration; social theory and environment; and environmental security and management.
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