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[1]张晋东,李玉杰,戴强,等.若尔盖湿地畜牧业对两栖类食性的影响[J].应用与环境生物学报,2010,16(05):683-687.[doi:10.3724/SP.J.1145.2010.00683]
 ZHANG Jindong,LI Yujie,DAI Qiang,et al.Effects of Grazing on Diet of Anurans in Zoige Wetlands, Sichuan, China[J].Chinese Journal of Applied & Environmental Biology,2010,16(05):683-687.[doi:10.3724/SP.J.1145.2010.00683]
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若尔盖湿地畜牧业对两栖类食性的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
16卷
期数:
2010年05期
页码:
683-687
栏目:
研究论文
出版日期:
2010-10-25

文章信息/Info

Title:
Effects of Grazing on Diet of Anurans in Zoige Wetlands, Sichuan, China
文章编号:
200912014
作者:
张晋东李玉杰戴强王跃招
(1中国科学院成都生物研究所 成都 610041)
(2绵阳师范学院 绵阳 621000)
(3中国科学院生态环境研究中心城市与区域生态国家重点实验室 北京 100085)
(4西华师范大学生命科学学院 南充 637002)
Author(s):
ZHANG JindongLI YujieDAI QiangWANG Yuezhao
(1Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China)
(2Mianyang Normal University, Mianyang 621000, Sichuan, China)
(3State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)
(4College of Life Sciences, China West Normal University, Nanchong, 637002, Sichuan, China)
关键词:
若尔盖湿地两栖类食性畜牧业不均衡影响
Keywords:
Zoige wetland anuran diet grazing asymmetrical effects
分类号:
Q959.508 (271)
DOI:
10.3724/SP.J.1145.2010.00683
文献标志码:
A
摘要:
比较若尔盖湿地3种两栖类——高原林蛙(Rana kukunoris)、岷山蟾蜍(Bufo minshanica)和倭蛙(Narorana pleskei)的食物组成,分析畜牧业对其食性的影响. 根据猎物的数量、体积比例和出现频率,蜉金龟科、蚁科、毛蚊科、象甲科昆虫和某些昆虫幼虫是3种两栖类食谱的主要组成部分,其中最重要的蜉金龟以藏牦牛粪为主要食物和寄居场所. 3种两栖类猎物的出现频率和数量比例存在显著性差异. 高原林蛙主要取食蜉金龟,在其食谱中,蜉金龟比例占据绝对优势(相对重要性指数IRI:35.28);而倭蛙的食性生态位宽度较宽,蜉金龟科(IRI:13.41)、蚁科、毛蚊科、昆虫幼虫以及狼蛛科均占有一定比例;岷山蟾蜍最重要的猎物是蚂蚁(IRI:85.54),次之是蜉金龟. 结果说明:畜牧业对若尔盖湿地的3种两栖类食性存在不同影响,高原林蛙能从畜牧业发展中获得更多的好处;作为取食的泛化者,倭蛙受畜牧业的影响比高原林蛙小;岷山蟾蜍主要取食蚂蚁,受牧场变化影响也较小. 图1 表5 参26
Abstract:
The effects of grazing on the diets of three species Rana kukunoris, Narorana pleskei, and Bufo minshanica were analyzed by comparing the diet compositions in the Zoige wetland, Sichuan, China. Based on prey frequency, number and volume, Aphodiidae, ants, Bibionidae, Curculionidae and larva of some insects are found the important food for the anurans in Zoige wetland. Aphodiidae depended on yak dung for food and lair. The proportion and occurrence frequency of prey categories for the diet significantly differed among the three species. Aphodiidae was the most important component for R. kukunoris (IRI: 35.28) and N. pleskei (IRI: 13.41). However, there was difference between R. kukunoris and N. pleskei. R. kukunoris specially ate Aphodiidae, while N. pleskei had a wider food range, and some others also was its main food , such as ants, Bibionidae, Lycosidae and insect larva. B. minshanica, ate ants mostly and specially (IRI: 85.54), but there was not close relationship between ants and grazing. These results indicated asymmetrical effects of grazing existed on the diets of the three species of anurans in Zoige wetland. With the development of grazing, R. kukunoris could gain greater benefit than the other two species who are specialized ant-feeder and having wider food range respectively. Fig 1, Tab 5, Ref 26

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备注/Memo

备注/Memo:
国家自然科学基金项目(No. 30470252) 资助 Supported by the National Natural Science Foundation of China (No. 30470252)
更新日期/Last Update: 2010-10-25