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Dense understory dwarf bamboo alters the retention of canopy tree seeds
Qian, Feng1; Zhang, Tengda1; Guo, Qinxue2; Tao, Jianping1
Corresponding AuthorTao, Jianping
2016
Source PublicationACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY
ISSN1146-609X
EISSN1873-6238
Volume73Pages:38-44
SubtypeArticle
AbstractTree seed retention is thought to be an important factor in the process of forest community regeneration. Although dense understory dwarf bamboo has been considered to have serious negative effects on the regeneration of forest community species, little attention has been paid to the relationship between dwarf bamboo and seed retention. In a field experiment we manipulated the density of Fargesia decurvata, a common understory dwarf bamboo, to investigate the retention of seeds from five canopy tree species in an evergreen and deciduous broad-leaved mixed forest in Jinfoshan National Nature Reserve, SW China. We found that the median survival time and retention ratio of seeds increased with the increase in bamboo density. Fauna discriminately altered seed retention in bamboo groves of different densities. Arthropods reduced seed survival the most, and seeds removed decreased with increasing bamboo density. Birds removed or ate more seeds in groves of medium bamboo density and consumed fewer seeds in dense or sparse bamboo habitats. Rodents removed a greater number of large and highly profitable seeds in dense bamboo groves but more small and thin-husked seeds in sparse bamboo groves. Seed characteristics, including seed size, seed mass and seed profitability, were important factors affecting seed retention. The results suggested that dense understory dwarf bamboo not only increased seeds concealment and reduced the probability and speed of seed removal but also influenced the trade-off between predation and risk of animal predatory strategies, thereby impacting the quantity and composition of surviving seeds. Our results also indicated that dense understory dwarf bamboo and various seed characteristics can provide good opportunities for seed storage and seed germination and has a potential positive effect on canopy tree regeneration. (C) 2016 Elsevier Masson SAS. All rights reserved.
KeywordDwarf Bamboo Bamboo Density Seed Retention Seed Characteristics Seed Disperser Jinfoshan National Nature Reserve
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.actao.2016.02.004
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordOAK QUERCUS-LIAOTUNGENSIS ; TEMPERATE FOREST ; RAIN-FOREST ; POSTDISPERSAL PREDATION ; DECIDUOUS WOODLAND ; SPECIES-DIVERSITY ; SOUTHWEST CHINA ; ACORN DISPERSAL ; RECRUITMENT ; RODENTS
Language英语
Quartile4区
TOP
WOS SubjectEcology
WOS IDWOS:000376707000005
Funding OrganizationNational Natural Science Foundation of China(31570612 ; 31070404)
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17392
Collection山区发展研究中心
Affiliation1.Southwest Univ, Sch Life Sci, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing 400715, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Qian, Feng,Zhang, Tengda,Guo, Qinxue,et al. Dense understory dwarf bamboo alters the retention of canopy tree seeds[J]. ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,2016,73:38-44.
APA Qian, Feng,Zhang, Tengda,Guo, Qinxue,&Tao, Jianping.(2016).Dense understory dwarf bamboo alters the retention of canopy tree seeds.ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,73,38-44.
MLA Qian, Feng,et al."Dense understory dwarf bamboo alters the retention of canopy tree seeds".ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY 73(2016):38-44.
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