唐家河自然保护区夏季啮齿类的空间生态位

唐家河自然保护区夏季啮齿类的空间生态位

王艳妮　周材权　张君　周友兵　胡锦矗　熊耀武

西华师范大学珍稀动植物研究所

出版日期:2005-07-26 发布日期:2008-07-07

Spatial Niche of the Rodents in Summer in Tangjiahe Nature Reserve

WANG Yanni ZHOU Caiquan ZHANGJun ZHOU Youbing HU Jinchu XIONG Yaowu

Online:2005-07-26 Published:2008-07-07

摘要/Abstract

摘要： 本文在野外调查的基础上, 运用现代生态学中生态位的理论和方法, 采用以Shannon - Wiener 多样性指数为基础的生态位宽度指数和Pianka 生态位重叠指数对唐家河自然保护区的啮齿类动物群落进行了研究。根据海拔高度和植被类型, 将唐家河自然保护区的植被划分为4 个带, 即山地常绿阔叶林带(海拔1 600 m以下) 、常绿与落叶阔叶混交林带(1 600～ 2 100 m) 、针阔叶混交林带(2 100～ 2 400 m) 和亚高山针叶林+ 亚高山灌丛草甸带(2 400～ 3 600 m) 。发现唐家河自然保护区的12 种啮齿类动物中, 高山姬鼠、龙姬鼠和大林姬鼠在4 个垂直植被带上的分布范围最宽。本文还对群落中物种的空间生态位宽度指数与其分布的关系以及各物种对空间资源的竞争与空间生态位重叠指数大小的关系进行了讨论。

关键词: 啮齿类, 空间生态位, 生态位宽度, 生态位重叠, 唐家河自然保护区

Abstract: We analyzed the spatial niche breadth and spatial niche overlap among rodents in Tangjiahe Nature Reserve during summer, 2003. We defined 4 habitats according to the elevations and vegetation types: A. Evergreen-broadleaf forests (below 1 600 m); B. Evergreen and deciduous broadleaf forests (1 600 - 2 000 m); C. Conifers and broadleaf mixed forests (2 100-2 400 m); D. Subalpine coniferous forests+subalpine bushes and meadows (2 400 - 3 600 m). The Hongshi River, Wenxian River, Shiqiao River, Xiaowan River and Caijiaba were selected to be the main investigated routes. A total of 204 rodents belonging to 12 species were captured in 5 120 trap-days. Apodemus chevrieri , A. draco and A. peninsulae were the most widely distributed in the reserve. We discussed the relationships between distribution and niche breadth, as well between competition and niche overlap among species.

Key words: Rodents, Spatial niche, Niche breadth, Niche overlap, Tangjiahe Nature Reserve

王艳妮　周材权　张君　周友兵　胡锦矗　熊耀武. 唐家河自然保护区夏季啮齿类的空间生态位[J]. .

WANG Yanni ZHOU Caiquan ZHANGJun ZHOU Youbing HU Jinchu XIONG Yaowu. Spatial Niche of the Rodents in Summer in Tangjiahe Nature Reserve[J]. .

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