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Title:
Data for Schuldt et al. 2015: Early positive effects of tree species richness on herbivory in a large-scale forest biodiversity experiment influence tree growth (Journal of Ecology)
Access rights:
Free for members
Usage rights:
No information available
Published:
No information available
Abstract:
This dataset accompagnies the paper by Schuldt et al. 2015: Early positive effects of tree species richness on herbivory in a large-scale forest biodiversity experiment influence tree growth. Journal of Ecology
Design:
The herbivory assessments were conducted at the end of the main growing season in September and October 2011 (Site A) and 2012 (Site B). In each plot, the central 6 x 6 (= 36) tree individuals were monitored for herbivore damage. On each tree, seven leaves on three randomly selected branches from different parts of the canopy (= 21 leaves per tree) were visually inspected. Herbivory was quantified as the overall leaf damage caused by chewing, mining, galling and (if visible) sucking insects per leaf. We used predefined percentage classes (estimated as 0%, <5%, <25%, <50%, <75%, >75%), and the mean values per class averaged over the 21 leaves per tree individual are reported here. As additional data, the height of each tree at the time of the herbivory measurements was recorded. Tree height and ground diameter as growth parameters were measured in separate campaigns in October 2010 and 2011 (Site A) and in October 2011 and 2012 (Site B), i.e. both one year before and in the same year as the herbivory census. Tree height on all planting positions included in the herbivory assessment (i.e. at 36 positions per plot) was measured as the total length of a tree from the stem base to the apical meristem (in cm), ground diameter as the stem diameter 5 cm above the ground (to the nearest millimeter).
Spatial extent:
Main Experiment
Temporal extent:
Fall 2010 - Fall 2012
Taxonomic extent:
No information available
Measurement cirumstances:
No information available
Data analysis:
No information available

Filter:
Dataset column

Name:
plot_unique
Definition:
Unique identifier for the plot: cobines information of Site as well as plot within the respective Site. For example Plot F7 at Site A is named AF7.
Unit:
No information available
Datagroup:
Helper
Keywords:
location
Values:
AB38/C38
AB36/C36
AB35
AC31
AB34
Contributors:

Dataset column

Name:
plot
Definition:
Study plot
Unit:
No information available
Datagroup:
Plot name Main experiment (letter, number code)
Keywords:
location
Values:
B35
B34
B38/C38
B36/C36
C27
Contributors:
No information available

Dataset column

Name:
species
Definition:
Scientific name of the respective species accoring to the Flora of China
Unit:
No information available
Datagroup:
Scientific plant species name
Keywords:
species, taxonomy, species name
Values:
Castanea henryi
Betula luminifera
Ailanthus altissima
Acer davidii
Alniphyllum fortunei
Contributors:
No information available

Dataset column

Name:
site
Definition:
Experimental site of the main experiment, where the respective tree has been investigated. Is one constituent of the column "plot_unique" within this dataset.
Unit:
No information available
Datagroup:
Experimental Site
Keywords:
Site
Values:
B
A
Contributors:
No information available

Dataset column

Name:
height
Definition:
Tree height as a size parameter measured with herbivory; Datagroup description: Tree height
Unit:
centimeter
Datagroup:
Plant height
Keywords:
height
Values:
10
102
101
1
100
Contributors:
No information available

Dataset column

Name:
herbivory
Definition:
Mean percent leaf damage per tree, averaged over all leaves
Unit:
percent
Datagroup:
Herbivore damage
Keywords:
leaf, herbivory, response
Values:
0.071428571
0
0.05
0.095238095
0.0625
Contributors:
No information available

Dataset column

Name:
height_1
Definition:
Mean tree height per species and plot, measured one year before the herbivory measurements; Datagroup description: Mean tree height
Unit:
centimeter
Datagroup:
Plant height
Keywords:
height
Values:
100.5
100.3333333
101
100
101.125
Contributors:
No information available

Dataset column

Name:
gd_1
Definition:
Mean stem ground diameter ( 5 cm aboveground ) per species and plot, measured one year before the herbivory measurements; Datagroup description: Mean stem ground diameter
Unit:
centimeter
Datagroup:
Basal diameter
Keywords:
diameter
Values:
0.2
0.4
0.3
0.366666667
0.333333333
Contributors:
No information available

Dataset column

Name:
height_2
Definition:
Mean tree height per species and plot, measured in the year of the herbivory measurements; Datagroup description: Mean tree height
Unit:
centimeter
Datagroup:
Plant height
Keywords:
height
Values:
10
100
101
100.5
101.6666667
Contributors:
No information available

Dataset column

Name:
gd_2
Definition:
Mean stem ground diameter ( 5 cm aboveground ) per species and plot, measured in the same year as the herbivory measurements; Datagroup description: Mean stem ground diameter
Unit:
centimeter
Datagroup:
Basal diameter
Keywords:
diameter
Values:
0.223333333
0.15
0.1
0.2
0.133333333
Contributors:
No information available

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