检索结果-南通市图书馆

Scatter-hoarding rodents as secondary seed dispersers of a frugivore-dispersed tree Scleropyrum wallichianum in a defaunated Xishuangbanna tropical forest, China

引用

Integrative Zoology 2011年第3期6卷 227-234页

作者： Lin CAO Zhishu XIAO Cong GUO Jin CHEN Key Laboratory of Bio-resources and Eco-environment Ministry of EducationCollege of Life ScienceSichuan UniversityChengduChina State Key Laboratory of Integrated Management of Pest Insects and Rodents in Agriculture Institute of ZoologyChinese Academy of SciencesBeijingChina Chinese Academy of Sciences Key Laboratory of Tropical Forest EcologyXishuangbanna Tropical Botanical GardenChinese Academy of SciencesMenglaYunnanChina

Local extinction or population decline of large frugivorous vertebrates as primary seed dispersers,caused by hu-man disturbance and habitat change,might lead to dispersal limitation of many large-seeded fruit ***,it is not known whether or not scatter-hoarding rodents as secondary seed dispersers can help maintain natural regeneration(*** dispersal)of these frugivore-dispersed trees in the face of the functional reduction or loss of primary seed *** the present study,we investigated how scatter-hoarding rodents affect the fate of tagged seeds of a large-seeded fruit tree(Scleropyrum wallichianum Arnott,1838,Santalaceae)from seed fall to seedling establishment in a heavily defaunated tropical forest in the Xishuangbanna region of Yunnan Province,in south-west China,in 2007 and *** results show that:(i)rodents removed nearly all *** seeds in both years;(ii)a large proportion(2007,75%;2008,67.5%)of the tagged seeds were cached individually in the surface soil or under leaf litters;(iii)dispersal distance of primary caches was further in 2007(19.6±14.6 m)than that in 2008(14.1±11.6 m),and distance increased as rodents recovered and moved seeds from primary caches into subsequent caching sites;and(iv)part of the cached seeds(2007,3.2%;2008,2%)survived to the seedling stage each *** study suggests that by taking roles of both primary and secondary seed dispersers,scatter-hoarding rodents can play a significant role in maintaining seedling establishment of ***,and are able to at least partly compensate for the loss of large frugivorous vertebrates in seed dispersal.

关键词： frugivorous vertebrate scatter-hoarding rodents Scleropyrum wallichianum seed dispersal seedling recruitment

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：