IB-CAS  > 植被与环境变化国家重点实验室
Scale-dependent species-area relationship: Niche-based versus stochastic processes in a typical subtropical forest
Ren, Haibao; Svenning, Jens-Christian; Mi, Xiangcheng; Lutz, James A.; Zhou, Jinxing4,5; Ma, Keping
2022
Source PublicationJOURNAL OF ECOLOGY
ISSN0022-0477
Volume110Issue:8Pages:1883-1895
AbstractDetermining the patterns and drivers of the small-scale species-area relationship (SAR) is crucial for improving our understanding of community assembly and biodiversity patterns. Niche-based and stochastic processes are two principal categories of mechanisms potentially driving SARs. However, their relative importance has rarely been quantified rigorously owing to scale dependence and the simplified niche volumes often used. In a fully mapped, 24-hm(2) plot of a typical subtropical forest, we built the SARs and well-defined niche hyper-volumes of a broad range of environmental variables at scales of 10-70 m (cell sizes). We then simulated passive sampling and partitioned the variances of the SAR slopes to disentangle these two contrasting mechanisms. We found that the small-scale SAR best followed a power-law relationship, consistent with large-scale SARs. The SAR slope declined with increasing scale; it was lower than expected under passive sampling at scales below 30 m and higher at larger scales. Environmental niches explained more (39%-64%) of the slope at larger scales, exceeding 50% at scales >30 m, and these niches always captured the majority of the structured slopes. Environmental position (environmental mean values) effects were steady in absolute strength across scales and explained most (98%-68%) of the niche effect, but this proportion decreased with increasing scale. The effect of environmental heterogeneity increased with spatial scales, starting to rise at the 30 m scale after controlling for environmental position. Excluding soil properties from analyses strongly reduced these niche effects, highlighting the importance of soils for structuring the small-scale SAR. There was also substantial stochasticity in the SAR slopes, which was only partially explained by passive sampling. Synthesis. Our results show that the small-scale SAR in the studied subtropical forest follows a power law, exhibits a scale shift in SAR slope at 30 m, and is strongly shaped by niche effects that are dominated by environmental position relative to heterogeneity. However, soil heterogeneity controls the increase in niche effect and the shift in the SAR slope with increasing spatial scales. Hence, edaphic factors can be responsible for scale dependence in small-scale SARs, thereby linking small-scale and large-scale SARs.
Keywordcommunity assembly Gutianshan forest dynamics plot niche versus neutrality passive sampling power-law model resource availability and heterogeneity spatial effect variance partitioning
Subject AreaPlant Sciences ; Ecology
DOI10.1111/1365-2745.13924
Indexed BySCI
Language英语
WOS KeywordBETA DIVERSITY ; HETEROGENEITY ; COEXISTENCE ; DISTRIBUTIONS ; NEUTRALITY ; ECOLOGY
WOS Research AreaScience Citation Index Expanded (SCI-EXPANDED)
WOS IDWOS:000802190600001
PublisherWILEY
SubtypeArticle
Publication PlaceHOBOKEN
EISSN1365-2745
Funding OrganizationChinese Academy of Sciences [XDB31030000] ; Villum Fonden [16549] ; Zhejiang Qianjiangyuan Forest Biodiversity National Observation and Research Station
Corresponding Author Emailkpma@ibcas.ac.cn
OAGreen Submitted
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/28531
Collection植被与环境变化国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China
2.Aarhus Univ, Dept Biol, Ctr Biodivers Dynam Changing World BIOCHANGE, Aarhus C, Denmark
3.Aarhus Univ, Sect Ecoinformat & Biodivers, Dept Biol, Aarhus C, Denmark
4.Lutz, James A.] Utah State Univ, Wildland Resources Dept, Logan, UT 84322 USA
5.Beijing Forestry Univ, Sch Soil & Water Conservat, Jianshui Res Stn, Beijing, Peoples R China
6.Minist Educ, Engn Res Ctr Forestry Ecol Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Ren, Haibao,Svenning, Jens-Christian,Mi, Xiangcheng,et al. Scale-dependent species-area relationship: Niche-based versus stochastic processes in a typical subtropical forest[J]. JOURNAL OF ECOLOGY,2022,110(8):1883-1895.
APA Ren, Haibao,Svenning, Jens-Christian,Mi, Xiangcheng,Lutz, James A.,Zhou, Jinxing,&Ma, Keping.(2022).Scale-dependent species-area relationship: Niche-based versus stochastic processes in a typical subtropical forest.JOURNAL OF ECOLOGY,110(8),1883-1895.
MLA Ren, Haibao,et al."Scale-dependent species-area relationship: Niche-based versus stochastic processes in a typical subtropical forest".JOURNAL OF ECOLOGY 110.8(2022):1883-1895.
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