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Title:
BEFmod: Wild tree and shrub measurement within the integrated BEFmod experiment - Site A
Access rights:
Private
Usage rights:
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Published:
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Abstract:
Recent studies have shown the positive effect of diversity on primary productivity. Here we investigated this diversity-productivity relationship between the established tree richness gradient in the main experiment and the naturally occurring tree and shrub layer. Moreover, we made use of the integrated BEFmod experiment arranged along a tree species richness gradient at site A and B, with subplot treatments of phosphorus addition, insecticides addition, fungicide addition, herb layer weeding and no weeding, to compare this relationship among three different manipulated environmental settings.
Design:
In all plots in BEF-China (including C, P, F and I treatment) the herb layer has been continuously weeded twice a year, (since 2009 and 2010, for site A and site B, respectively) and since 2014 once a year on both sites to increase the establishment of planted trees. In each VIP, subplots were subjected to a manipulation of resource supply and biotic interactions (BEFmod experiment), which started in 2014. On the northern edge of each VIP, 5 subplots were established, each measuring 5.16 x 5.16 m and containing 4 × 4 trees. Subplots were randomly assigned to five different treatments: “No weeding“ (NW, i.e., admitting all types of weeds, already established in 2011), “Phosphorus fertilization” (P, i.e., applying 40 g triple super phosphate (H2PO4)2 per tree, corresponding to 100 kg P/ha once in April 2014), "Fungicide application" (F), "Insecticide application" (I) and “Control” (C, i.e., weeding as on the total plot level together with monthly H2O application). We recorded the basic diameter, height and the numbers of individuals per species as a proxy for productivity.
Spatial extent:
VIP Plots of the main experiment on Site A
Temporal extent:
No information available
Taxonomic extent:
No information available
Measurement cirumstances:
No information available
Data analysis:
No information available

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Dataset column

Name:
Date
Definition:
Date of the record
Unit:
No information available
Datagroup:
Date
Keywords:
No information available
Values:
2015-05-12
2015-05-17
2015-05-09
Contributors:
No information available

Dataset column

Name:
Plot
Definition:
Plot number on Site A; VIPs and each 1 mu replicate on Site A
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
F21
C32
E33
E34
E31
Contributors:
No information available

Dataset column

Name:
Treatment
Definition:
treatment of each subplot: C-Controll; P-Phosphorus fertilization; NW-No weeding; F-Fungicide application; I-Insecticide application
Unit:
No information available
Datagroup:
BEFmod subplots treatment
Keywords:
No information available
Values:
F
P
C
I
NW
Contributors:
No information available

Dataset column

Name:
Species_Chinese
Definition:
species identity by subplot
Unit:
No information available
Datagroup:
Chinese species name
Keywords:
No information available
Values:
乌饭
云实
乌桕
华东楠
Contributors:
No information available

Dataset column

Name:
Species_Latin
Definition:
species identity by subplot
Unit:
No information available
Datagroup:
Scientific plant species name
Keywords:
No information available
Values:
Actinidia melanandra
Alniphyllum fortunei
Adinandra millettii
Actinidia polygama
Albizia julibrissin
Contributors:
No information available

Dataset column

Name:
Basal Diameter
Definition:
Basal Diameter
Unit:
No information available
Datagroup:
Basal diameter
Keywords:
No information available
Values:
1
0.9
0.6
0.7
0.8
Contributors:
No information available

Dataset column

Name:
Height
Definition:
Height of wild trees
Unit:
cm
Datagroup:
Plant height
Keywords:
tree height
Values:
103
102
101
104
100
Contributors:
No information available

Dataset column

Name:
Numbers of Individuals
Definition:
Numbers of Individuals
Unit:
No information available
Datagroup:
Density measure
Keywords:
No information available
Values:
1
11
13
10
12
Contributors:
No information available

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