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Fine scale heterogeneity of soil properties causes seedling spatial niche separation in a tropical rainforest
Xia, Shang-Wen; Cao, Min; Yang, Xiaodong1; Chen, Jin; Goodale, Uromi Manage2
2019
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume438Issue:xPages:435-445
Abstract

AimsIn tropical rainforests, seedling performance at fine ecological scales has traditionally been explained by seed dispersal limitation and negative density dependence. Soil properties have strong patch structures at fine scales, and we investigated whether such heterogeneity contributes to seedling coexistence.MethodsFrom January 2011 to January 2014, in a one-hectare area of tropical rainforest in Southwest China, we sampled seedlings from ninety-nine 2-m(2) quadrats, and measured light condition (canopy openness), and the height (>10cm) of seedlings at bi-monthly intervals. In addition, we measured soil pH, total nitrogen, ammonium, nitrate, and available phosphorus and potassium three times during the survey period. These data were used to examine the effects of soil properties and light on seedling spatial distribution, survival, and growth.ResultsSeedling spatial distribution was significantly associated with light and spatial heterogeneity in all the examined soil properties except available K. These fine scale soil properties and light heterogeneity also promoted seedling growth, whereas they had no discernible effects on seedling survival.ConclusionThis study highlights the effects of fine scale soil property heterogeneity on seedling spatial distribution and growth, and indicates their importance in the maintenance of seedling biodiversity.

KeywordTREE SEEDLINGS NUTRIENT LIMITATION CHEMICAL-PROPERTIES SUBTROPICAL FOREST GROWTH-RESPONSES TRADE-OFFS LIGHT SURVIVAL DENSITY NITROGEN
Subject AreaAgriculture ; Plant Sciences
DOI10.1007/s11104-019-04027-8
Indexed BySCI
Language英语
WOS IDWOS:000468540800028
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11324
Collection动植物关系组
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Forest Ecol, Xishuangbanna 666303, Peoples R China
2.Chinese Ecosyst Res Net, Ailaoshan Stn Subtrop Forest Ecosyst Studies, Jingdong 676200, Yunnan, Peoples R China
3.Guangxi Univ, State Key Lab Conservat & Utilizat Subtrop Agrobi, Coll Forestry, Nanning 530005, Guangxi, Peoples R China
Recommended Citation
GB/T 7714
Xia, Shang-Wen,Cao, Min,Yang, Xiaodong,et al. Fine scale heterogeneity of soil properties causes seedling spatial niche separation in a tropical rainforest[J]. PLANT AND SOIL,2019,438(x):435-445.
APA Xia, Shang-Wen,Cao, Min,Yang, Xiaodong,Chen, Jin,&Goodale, Uromi Manage.(2019).Fine scale heterogeneity of soil properties causes seedling spatial niche separation in a tropical rainforest.PLANT AND SOIL,438(x),435-445.
MLA Xia, Shang-Wen,et al."Fine scale heterogeneity of soil properties causes seedling spatial niche separation in a tropical rainforest".PLANT AND SOIL 438.x(2019):435-445.
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