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Re-caching behaviour of rodents improves seed dispersal effectiveness: Evidence from seedling establishment
Wang, Zhenyu1,2; Wang, Bo; Yi, Xianfeng1; Yan, Chuan2; Zhang, Zhibin2; Cao, Lin2,3
2019
Source PublicationFOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
Volume444Issue:xPages:207-213
Abstract

Long-distance seed dispersal is disproportionately important for recruitment, range expansion and gene flow in plant populations. The re-caching of seeds by rodents is considered a mechanism of long-distance seed dispersal. The effect of re-caching on dispersal distance is well studied. However, how re-caching by rodents affects seedling establishment remains unclear. To assess the role of re-caching by rodents on seedling establishment, we tracked a large number of seeds and investigated the seed dispersal and seedling establishment of two large-seeded tree species (Scleropyrum wallichianum and Garcinia xanthochymus) in a tropical forest. We found that rodents scatter hoarded 48.9-7L3% of the released seeds, and a total of 23.8-36.6% of the initial caches of both species experienced re-caching up to 2 or 3 times. Re-caching was correlated with farther dispersal and a higher probability of seedling establishment for both species. In addition, re-caching contributed to medium and long-distance seed dispersal, with 17.2% and 18.5% of seedlings located > 50 m from parent trees for G. xanthochymus and S. wallichianum, respectively, and 3.4% of seedlings of G. xanthochymus located > 100 m from parent trees. Our results suggested that re-caching by rodents can promote seed dispersal effectiveness and contribute to effective long-distance seed dispersal.

KeywordSCATTER-HOARDING RODENTS TROPICAL FOREST ECOLOGY XISHUANGBANNA RECRUITMENT ABUNDANCE DENSITY FATE
Subject AreaForestry
DOI10.1016/j.foreco.2019.04.044
Indexed BySCI
Language英语
WOS IDWOS:000470946000020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11334
Collection中国科学院西双版纳热带植物园
2012年后新成立研究组
Affiliation1.Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
2.Jiangxi Normal Univ, Coll Life Sci, Nanchang 330022, Jiangxi, Peoples R China
3.Chinese Acad Sci, Inst Zool, State Key Lab Integrated Management Pest Insects, Beijing 100101, Peoples R China
4.Yunnan Univ, Inst Ecol & Geobot, Sch Ecol & Environm Sci, Kunming 650091, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhenyu,Wang, Bo,Yi, Xianfeng,et al. Re-caching behaviour of rodents improves seed dispersal effectiveness: Evidence from seedling establishment[J]. FOREST ECOLOGY AND MANAGEMENT,2019,444(x):207-213.
APA Wang, Zhenyu,Wang, Bo,Yi, Xianfeng,Yan, Chuan,Zhang, Zhibin,&Cao, Lin.(2019).Re-caching behaviour of rodents improves seed dispersal effectiveness: Evidence from seedling establishment.FOREST ECOLOGY AND MANAGEMENT,444(x),207-213.
MLA Wang, Zhenyu,et al."Re-caching behaviour of rodents improves seed dispersal effectiveness: Evidence from seedling establishment".FOREST ECOLOGY AND MANAGEMENT 444.x(2019):207-213.
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