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Title:
Data for Schnabel et al. 2021: Hydraulic diversity stabilizes productivity in a large-scale subtropical tree biodiversity experiment
Access rights:
Private
Usage rights:
Data are available on request from the corresponding authors Florian Schnabel, Xiaojuan Liu and Matthias Kunz.
Published:
Schnabel et al. (2021) Hydraulic diversity stabilizes productivity in a large-scale subtropical tree biodiversity experiment, bioRxiv. https://doi.org/10.1101/2021.01.06.425434
Abstract:
Extreme climatic events threaten forests and their climate mitigation potential globally. Understanding the drivers promoting ecosystems stability is therefore considered crucial to mitigate adverse climate change effects on forests. Here, we use structural equation models to explain how tree species richness, asynchronous species dynamics and diversity in hydraulic traits affect the stability of forest productivity along an experimentally manipulated biodiversity gradient ranging from 1 to 24 tree species. Tree species richness improved stability by increasing species asynchrony. That is at higher species richness, inter-annual variation in productivity among tree species buffered the community against stress-related productivity declines. This effect was mediated by the diversity of species’ hydraulic traits in relation to drought tolerance and stomatal control, but not the community-weighted means of these traits. The identified mechanisms by which tree species richness stabilizes forest productivity emphasize the importance of hydraulically diverse, mixed-species forests to adapt to climate change.
Design:
We used data from a large-scale forest biodiversity experiment with a gradient of species richness ranging from monocultures up to mixtures of 24 tree species planted at two sites with distinct species pools. We sampled six random extinction scenarios allocated to two sites (A and B; three at each site) with a total of 396 plots and 158,400 planted trees. 21 plots were excluded prior to our analysis due to failed establishment success of the planted trees, which left 375 plots (n=218 mixtures and n=157 monocultures) for our analysis. Individual tree basal diameters, tree height and species identity were measured annually from 2010 (site A) and 2011 (site B) onwards until 2019 at the end of the growing season. To avoid edge effects, the central 12×12 trees were measured for each plot in the 4-, 8-, 16- and 24-species mixtures, while a smaller group of the central 6×6 trees was measured for monocultures and 2-species mixtures.
Spatial extent:
Main experiment of the Biodiversity–Ecosystem Functioning Experiment China (BEF-China, www.bef-china.com) at Xingangshan, Dexing, Jiangxi (29° 08′–29° 11′N, 117° 90′–117°93′E).
Temporal extent:
Individual tree basal diameters, tree height and species identity were measured annually from 2010 (site A) and 2011 (site B) onwards at the end of the growing season until end 2019. Our productivity estimates cover a complete series of forest growth over the course of 9 and 8 years for site A and B, respectively.
Taxonomic extent:
This study used 40 native tree species, planted with seedlings raised from seeds collected from nearby forests. Taxonomic information is available in Supplementary Material.
Measurement cirumstances:
No information available
Data analysis:
In this study, we analyzed the direct and indirect effects of tree species richness, species asynchrony, hydraulic diversity and the community-weighted means of hydraulic traits on the stability of aboveground wood production.

Filter:
Dataset column

Name:
siteplot
Definition:
Joint site and plot number
Unit:
No information available
Datagroup:
Identifier
Keywords:
No information available
Values:
A.C32
A.C33
A.C31
A.B36/C36
A.D32
Contributors:
No information available

Dataset column

Name:
site
Definition:
Site
Unit:
No information available
Datagroup:
Site Main Experiment
Keywords:
No information available
Values:
B
A
Contributors:
No information available

Dataset column

Name:
plot_no
Definition:
Plot number
Unit:
No information available
Datagroup:
Plot name Main experiment (letter, number code)
Keywords:
No information available
Values:
C31
C32
B36/C36
C33
C27
Contributors:
No information available

Dataset column

Name:
tree_r
Definition:
Planted tree species richness
Unit:
No information available
Datagroup:
Tree species richness
Keywords:
No information available
Values:
4
16
2
1
24
Contributors:
No information available

Dataset column

Name:
extinction
Definition:
Extinction scenario
Unit:
No information available
Datagroup:
Extinction series type within main experiment.
Keywords:
No information available
Values:
C
A
B
Contributors:
No information available

Dataset column

Name:
ptag
Definition:
Plot ID
Unit:
No information available
Datagroup:
Identifier
Keywords:
No information available
Values:
p102361
p104320
p103310
p103320
p103330
Contributors:
No information available

Dataset column

Name:
tree_cmp
Definition:
Tree species composition
Unit:
No information available
Datagroup:
Community Composition
Keywords:
No information available
Values:
A. altissima_A. fortunei_C. fargesii_C. sclerophylla
A. altissima_A. fortunei
A. altissima_A. fortunei_B. luminifera_C. fargesii_C. biondii_E. chinensis_E. glabripetalus_E. japonicus_I. polycarpa_M. grijsii_M. leptophylla_M. thunbergii_M. yuyuanensis_M. flexuosa_Ph. bournei_Q. phillyreoides
A. altissima_A. fortunei_C. eyrei_C. fargesii_C. sclerophylla_C. biondii_C. camphora_C. glauca_D. oldhamii_D. glaucifolia_E. glabripetalus_L. glaber_M. leptophylla_M. thunbergii_Ph. bournei_S. superba
A. altissima
Contributors:
No information available

Dataset column

Name:
vip
Definition:
Vip plots
Unit:
No information available
Datagroup:
VIP plot indication
Keywords:
No information available
Values:
viprep
vip
Contributors:
No information available

Dataset column

Name:
mu4
Definition:
Indicating whether a plot's position was randomized separately (1 mu) or in a quadrat of four plots (4 mu)
Unit:
No information available
Datagroup:
Identifier
Keywords:
No information available
Values:
1
4
Contributors:
No information available

Dataset column

Name:
mu4.plot
Definition:
Unique plot identifier like "siteplot" but plots belonging to a square of four plots (i.e. forming a large plot of size 4 mu) have the same code
Unit:
No information available
Datagroup:
Identifier
Keywords:
No information available
Values:
A.A.mu.4.sr.16.C. henryi_C. eyrei_C. sclerophylla_Ch. axillaris_C. glauca_C. myrsinaefolia_K. bipinnata_L. formosana_L. glaber_N. sinensis_Q. fabri_Q. serrata_R. chinensis_S. mukorossi_S. sebiferum_S. superba
A.A.mu.4.sr.1.C. glauca
A.A.mu.4.sr.1.C. eyrei
A.A.mu.4.sr.1.Ch. axillaris
A.A.mu.4.sr.1.C. henryi
Contributors:
No information available

Dataset column

Name:
mu
Definition:
Temporal mean of aboveground wood volume production
Unit:
m3 ha-1
Datagroup:
Above and below ground biomass measurement
Keywords:
No information available
Values:
0.000305302828524563
0.00980344917230081
0.00843458469207231
0.000628427279487152
0.00346452340195264
Contributors:
No information available

Dataset column

Name:
sd
Definition:
Temporal standard deviation of aboveground wood volume production
Unit:
m3 ha-1
Datagroup:
Above and below ground biomass measurement
Keywords:
No information available
Values:
0.00235881214189382
0.000352511367912846
0.0168287977711879
0.000590856982119859
0.0119593980999949
Contributors:
No information available

Dataset column

Name:
stability
Definition:
Temporal stability
Unit:
No information available
Datagroup:
Above and below ground biomass measurement
Keywords:
No information available
Values:
0.382978438582625
0.274494312782449
0.365605664738055
0.210178360075353
0.301337966464237
Contributors:
No information available

Dataset column

Name:
cwm_stocon
Definition:
Community-weighted mean of stomatal control
Unit:
No information available
Datagroup:
Functional biodiversity
Keywords:
No information available
Values:
-0.000106127646395443
0.00194525697313248
-0.00138957009603931
0.00128855158222551
0.00306729738411771
Contributors:
No information available

Dataset column

Name:
fd_stocon
Definition:
Functional dispersion (FDis) of stomatal control
Unit:
No information available
Datagroup:
Functional biodiversity
Keywords:
No information available
Values:
0.000188911920605036
0.000109882409320169
0.000105666273233024
0
0.000154776649982765
Contributors:
No information available

Dataset column

Name:
cwm_drought
Definition:
Community-weighted mean of drought tolerance
Unit:
No information available
Datagroup:
Functional biodiversity
Keywords:
No information available
Values:
-0.0127323009144004
-0.0111956315514157
-0.0289261286684517
0.0190634575789535
0.00982405879879533
Contributors:
No information available

Dataset column

Name:
fd_drought
Definition:
Functional dispersion (FDis) of drought tolerance
Unit:
No information available
Datagroup:
Functional biodiversity
Keywords:
No information available
Values:
0.000177808305112846
0.000121153594342029
0.000150074741850302
0
0.000121116880520879
Contributors:
No information available

Dataset column

Name:
a
Definition:
Community-level species asynchrony
Unit:
No information available
Datagroup:
Above and below ground biomass measurement
Keywords:
No information available
Values:
0
0.000334205257886522
0.000170655637794837
0.000443866176651486
0.000229503565271183
Contributors:
No information available

No information available


No information available
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180 schnabel medium

Florian
Schnabel

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Xiaojuan
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