厄瓜多尔安第斯地区三种高安第斯啮齿动物(蟋蟀科:Sigmodontinae)的迁徙和栖息地利用

IF 0.9 Q4 ECOLOGY Neotropical Biodiversity Pub Date : 2022-10-12 DOI:10.1080/23766808.2022.2132023
A. Villarreal, Ricardo Zambrano-Cevallos, J. Brito, Santiago F. Burneo
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引用次数: 1

摘要

摘要利用线轴和直线技术对厄瓜多尔安第斯山脉高处三种Sigmodontine啮齿动物(Akodon mollis、Phyllotis haggard和Thomasomys paramorum)的活动和栖息地利用进行了评估。在采样点分析了区系组成,以解释这三种Sigmodontine啮齿动物是如何利用植被作为栖息地的。啮齿动物是用活的谢尔曼陷阱捕获的,并配备了线轴和绳索装置。追踪每一条线索,并使用GPS接收器记录它们的巢穴、喂食器和庇护所。此外,还介绍了觅食时使用的建筑材料、巢穴形态和庇护所,以及食物资源。这三种啮齿动物的分布重叠,但它们对不同的栖息地有一定的偏好,如草地、有垫子的开阔地带和灌木。这项研究是对这些Sigmodontine啮齿动物在高海拔地区的自然历史的一种研究。
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Movement and habitat use of three high Andean rodent species (Cricetidae: Sigmodontinae) in Andean páramos of Ecuador
ABSTRACT The movements and habitat use of three species of Sigmodontine rodents (Akodon mollis, Phyllotis haggard and Thomasomys paramorum) from the high Andes of Ecuador were evaluated using the spool-and-line technique in four transects. The floristic composition was analyzed at sampling sites to explain how these three species of Sigmodontine rodents use the vegetation as a habitat. Rodents were captured using live Sherman traps and equipped with a spool-and-line device. Each thread trail was traced, and their nests, feeders and shelters were recorded using GPS receivers. Also, the construction materials, nest morphology and shelters used during foraging, and the food resources were described. These three rodent species overlap in their distribution, but they present certain preferences for different habitats such as grasslands, open areas with cushions and shrubs, respectively. This study is an approach to the natural history of these Sigmodontine rodents in high mountain elevations.
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来源期刊
Neotropical Biodiversity
Neotropical Biodiversity Environmental Science-Ecology
CiteScore
1.80
自引率
0.00%
发文量
39
审稿时长
24 weeks
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