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Title:
Main Experiment: Site A (VIPS) Chlorophyl & C/N content, SLA of leaves and biomass estimations
Access rights:
Private
Usage rights:
Usage rights for Sp5e
Published:
No information available
Abstract:
Master-thesis: “Influence of diversity on N-distribution in canopy’s from subtropical trees in China”
Design:
Leaf samples were taken from four trees per species per VIP-plot for each diversity level (1-16) via secateurs or glasfiber telescopic poles. In each crown the leaves were taken in three layers (under/mid/top) for each cardinal direction (12 leaves per tree). Samples from the same layer and same individual were pooled for C/N-analyses.
Spatial extent:
Main experiment, Site A 29°08'-29°11'N 117°90'-117°93'E Vip, Viprep, plots of site A
Temporal extent:
May 2014 - July 2014
Taxonomic extent:
C.axillaris, C.eyrei, C.glauca, C.henryi, C.myrsinaefolia, C.sclerophylla, K.bipinnata, L.formosana, L.glaber, N.sinensis, Q.fabri, Q.serrata, R.chinensis, S.mukorossi S.sebiferum , S.superba
Measurement cirumstances:
hot and many moscitos
Data analysis:
Chlorophyl meassured with CCM-300; Leaf area was determined by scans which were calculated by WINFOLIA; Carbon & Nitrogen (C,N) content of leaf material measured by elementar analyser

Filter:
Dataset column

Name:
sample number
Definition:
consecutive sampling number on sampling bags
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
*Plaga B.N.E._0001
*Plaga B.N.E._0005
*Plaga B.N.E._0003
*Plaga B.N.E._0002
*Plaga B.N.E._0004
Contributors:
No information available

Dataset column

Name:
sample_ID
Definition:
sample_ID
Unit:
No information available
Datagroup:
Identifier
Keywords:
No information available
Values:
A/C32/xy0406/C.hen/4.5m/E
A/C32/xy0406/C.hen/3.5m/N
A/C32/xy0406/C.hen/3.5m/E
A/C32/xy0406/C.hen/3.5m/W
A/C32/xy0406/C.hen/3.5m/S
Contributors:
No information available

Dataset column

Name:
sample_pooled_ID
Definition:
sample_pooled_ID; refers to the original sample ID but without information in the height of the tree layer; facilitates pooling data of samples from the same height layer of one Individual
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
A/C32/xy0406/C.hen/4.5
A/C32/xy0406/C.hen/3.5
A/C32/xy0605/C.hen/4.5
A/C32/xy0605/C.hen/3.5
A/C32/xy0406/C.hen/5.5
Contributors:
No information available

Dataset column

Name:
tree_ID
Definition:
tree_ID; refers to sample_ID but wiothout information on cardinal directions and height in crown layer; allow to pool the data of an individual
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
C32/xy0605/C.hen
C32/xy0913/N.sin
C32/xy0613/C.hen
C32/xy0808/N.sin
C32/xy0406/C.hen
Contributors:
No information available

Dataset column

Name:
site
Definition:
site samples were taken
Unit:
No information available
Datagroup:
Experimental Site
Keywords:
No information available
Values:
A
Contributors:
No information available

Dataset column

Name:
plot
Definition:
plot samples were taken
Unit:
No information available
Datagroup:
BEF research plot name
Keywords:
No information available
Values:
E34
E31
C32
E33
F21
Contributors:
No information available

Dataset column

Name:
xy_position
Definition:
x_y position of trees in the plot
Unit:
No information available
Datagroup:
Coordinate within plot
Keywords:
No information available
Values:
0408
0406
0404
0405
0409
Contributors:
No information available

Dataset column

Name:
species
Definition:
species sampled
Unit:
No information available
Datagroup:
Scientific plant species name
Keywords:
No information available
Values:
Castanopsis sclerophylla
Castanea henryi
Choerospondias axillaris
Castanopsis eyrei
Cyclobalanopsis glauca
Contributors:
No information available

Dataset column

Name:
div
Definition:
diversity level (i.e. species richness of planted trees) of sampled plot in numbers
Unit:
No information available
Datagroup:
Taxonomic biodiversity
Keywords:
No information available
Values:
16
4
2
1
8
Contributors:
No information available

Dataset column

Name:
mix
Definition:
Names of tree species in species mixture of the sampled plot
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
C. henryi
Ch. axillaris_S. sebiferum
Ch. axillaris
C. eyrei
C. glauca
Contributors:
No information available

Dataset column

Name:
crown height
Definition:
crown height
Unit:
meter
Datagroup:
Crown architectural parameters
Keywords:
No information available
Values:
0.5
0.25
0.15
0.3
0.05
Contributors:
No information available

Dataset column

Name:
crown layer
Definition:
A= lower layer , B=mid layer, C=top layer of the crown
Unit:
No information available
Datagroup:
Crown architectural parameters
Keywords:
No information available
Values:
B
C
A
Contributors:
No information available

Dataset column

Name:
cardinal direction
Definition:
N=north, E=east, S=south, W=west
Unit:
No information available
Datagroup:
Aspect
Keywords:
No information available
Values:
S
N
W
E
Contributors:
No information available

Dataset column

Name:
chlorophyll
Definition:
value is a mean out of three measurment points per leaf
Unit:
gramPerSquareMeter
Datagroup:
Photosynthesis
Keywords:
No information available
Values:
126.667
137
107.667
124.333
128.667
Contributors:
No information available

Dataset column

Name:
dry weight
Definition:
dry weight
Unit:
gram
Datagroup:
Sample dry weight
Keywords:
No information available
Values:
0.034
0.022
0.031
0.018
0.025
Contributors:
No information available

Dataset column

Name:
leaf area
Definition:
leaf area
Unit:
squareMillimeter
Datagroup:
Leaf area
Keywords:
No information available
Values:
1009.676
10083.506
1006.075
10044.734
10043.382
Contributors:
No information available

Dataset column

Name:
SLA
Definition:
SLA
Unit:
squareCentimeterPerGram
Datagroup:
Specific leaf area
Keywords:
No information available
Values:
100.007
100.003
100.009
100.025
100.039
Contributors:
No information available

Dataset column

Name:
nitrogen
Definition:
Nitrogen concentration of air dried leave sample
Unit:
percent
Datagroup:
Nitrogen
Keywords:
No information available
Values:
1.0122
0.9957
1.0275
0.9479
1.0539
Contributors:
No information available

Dataset column

Name:
carbon
Definition:
Carbon concentration of air dried leave sample
Unit:
percent
Datagroup:
Carbon
Keywords:
No information available
Values:
45.7365
45.6143
45.6992
45.6327
45.6562
Contributors:
No information available

Dataset column

Name:
leafmass per layer
Definition:
leafmass per layer
Unit:
percent
Datagroup:
Above and below ground biomass measurement
Keywords:
No information available
Values:
11.9
11.1
100
10
12.1
Contributors:
No information available

Dataset column

Name:
nr. leaves per layer
Definition:
estimated number of leaves per layer
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
105
1000
104
10
100
Contributors:
No information available

Dataset column

Name:
total nr. leaves per crown
Definition:
total nr. leaves per crown as derived from estimated number of leaves per crown layer of the respective individual
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
100
1100
1000
10000
105
Contributors:
No information available

Dataset column

Name:
N_pool per layer
Definition:
N_pool per layer
Unit:
gramm
Datagroup:
Nitrogen
Keywords:
No information available
Values:
0.0230126
0.020379045
0.028116
0.0205569
0.023304336
Contributors:
No information available

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141 plaga medium

Benjamin
Plaga

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