Wood mechanics from: Research Institute of Wood Industry; Chinese Academy of Forestry (1982) Physical and Mechanical Properties of Primary Tree Species in China. Beijing, China: Chinese Forestry Press.

Usage Rights

This data is Free for members.

This data is digitized from a publication which is attached to this dataset as a freefromat file (see below).

Dataset Abstract

Wood mechanic traits including coefficient of variation: Wood attributes from a chinese book, digitized by Z2 (Hoffmann).

Dataset Design

Sampling design

Spatial Extent

China

Published

Research Institute of Wood Industry; Chinese Academy of Forestry (1982) Physical and Mechanical Properties of Primary Tree Species in China. Beijing, China: Chinese Forestry Press.

Taxonomic Extent

tree species

Data Analysis

Data analysis

Freeformat files (1)

Data columns available in the raw data part of this dataset

class_1
1 - class - - class - Klasse (Gymnospermon oder Angiospermen) - I gave "mixed" for the third, "Angio" for the second, and "Gymno" for the first list, originally separated by an empty line; Datagroup description: Helper
Data group: Helper
Values
Angio
mixed
Gymnospermae
mixed2
number_2
2 - number - - number in table - Laufende Nummer in der Tabelle - but numbers are double: in the end, a list begins with 1 again; Datagroup description: Helper
Data group: Helper
Values
102
1
10
100
101
genus_3
3 - genus - - genus - Genus - genus name was partly changed after Helges list; Datagroup description: Helper
Data group: Helper
Values
Acer
Aesculus
Abies
Acacia
Adinandra
species-epitheton_4
4 - species-epitheton - - species epitheton - Art-Epithon - epithet was partly changed based on Helges List; Datagroup description: Helper
Data group: Helper
Values
acerifolia
aenea
alba
adenopoda
acutissima
old_species_name
concatenation of genus and epithet; Datagroup description: Helper
Data group: Helper
Values
Abies delavayi
Abies fabri
Abies ernestii
Abies fargestii
Abies faxoniana
species
after using Google refine with the reference species names; Datagroup description: Scientific plant species name
Data group: Scientific plant species name
Keywords: species, object, taxon
Values
Abies ernestii
Abies fabri
Abies faxoniana
Abies delavayi
Abies fargestii
authority_5
5 - authority - - authority - Autor -; Datagroup description: Helper
Data group: Helper
Values
(A. Chev.) Gaussen
A. DC.
A.Cunn
Ait.
A. Camus
site_6
6 - site - - site - Standort - wird später noch mit Yanli Zhuang nachgetragen -; Datagroup description: Helper
Data group: Helper
Keywords: location
Alert Sample values are not displayed because this column hasn't been approved yet.
sample_size_7
7 - sample_size - - sample size - Anzahl der Proben -; Datagroup description: Sample size
Unit: count
Data group: Sample size
Keywords: tree, sample size
Values
10
14
12
13
11
ring_width_8
8 - ring_width - - mean ring width (mm) - Mittlere Jahrringbreite (mm) -
Unit: percent
Data group: Tree rings
Keywords: plant functional trait, variable, tree rings, ring width
Values
1
0.5
0.8
0.9
10
lw_fraction_9
9 - lw_fraction - - percent latewood fraction - Prozentualer Anteil des Spätholzes am Jahrring -; Datagroup description: Tree rings
Unit: percent
Data group: Tree rings
Keywords: plant functional trait, variable, tree rings, late wood
Values
12.2
12.8
12.5
12.4
0.77
wdbas_av_10
10 - wdbas_av - mean - mean basic wood density (g cm-3) - Raumdichte (g cm-3) -
Unit: g cm-3
Data group: Wood density
Keywords: plant functional trait, wood density, variable
Values
0.233
0.209
0.231
0.2
0.219
wdbas_cv_11
11 - wdbas_cv - coefficient of variance - mean basic wood density (g cm-3) - Raumdichte (g cm-3) -
Unit: g cm-3
Data group: Wood density
Keywords: wood density, coefficient of variation
Values
10.2
10.1
10
10.3
10.4
wddry_av_12
12 - wddry_av - mean - dry wood density (g cm-3) - Darrdichte (g cm-3) -
Unit: g cm-3
Data group: Wood density
Keywords: plant functional trait, wood density, variable
Values
0.264
0.283
0.278
0.269
0.24
wddry_cv_13
13 - wddry_cv - coefficient of variance - dry wood density (g cm-3) - Darrdichte (g cm-3) -
Unit: g cm-3
Data group: Wood density
Keywords: wood density, coefficient of variation
Values
10.3
10.1
10.4
10.2
10
si_radial_av_14
14 - si_radial_av - mean - shrinkage index (%) radial direction - Schwindmass radial (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: plant functional trait, variable, wood shrinkage
Values
0.061
0.08
0.076
0.07
0.079
si_radial_cv_15
15 - si_radial_cv - coefficient of variance - shrinkage index (%) radial direction - Schwindmass radial (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: coefficient of variation, wood shrinkage
Values
0.143
10.3
10.1
10
10.2
si_tang_av_16
16 - si_tang_av - mean - shrinkage index (%) tangential direction - Schwindmass tangential (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: plant functional trait, variable, wood shrinkage
Values
0.168
0.132
0.16
0.164
0.155
si_tang_cv_17
17 - si_tang_cv - coefficient of variance - shrinkage index (%) tangential direction - Schwindmass tangential (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: coefficient of variation, wood shrinkage
Values
10
10.2
10.3
10.1
0.286
si_vol_av_18
18 - si_vol_av - mean - shrinkage index (%) volume - Volumenschwindmass (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: plant functional trait, variable, wood shrinkage
Values
0.261
0.292
0.28
0.249
0.25
si_vol_cv_19
19 - si_vol_cv - coefficient of variance - shrinkage index (%) volume - Volumenschwindmass (%) -
Unit: percent
Data group: Wood shrinkage
Keywords: coefficient of variation, wood shrinkage
Values
10
10.2
0.44
10.1
10.3
compstren_parallel_av_20
20 - compstren_parallel_av - mean - compression strength parallel to wood grain (kgf cm-2) - ? -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood compression
Values
160
159
11.4
0.498
140
compstren_parallel_cv_21
21 - compstren_parallel_cv - coefficient of variance - compression strength parallel to wood grain (kgf cm-2) - ? -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood compression
Values
10.3
10
10.2
0.9
10.1
bending_stress_av_22
22 - bending_stress_av - mean - bending stress (kgf cm-2) - Biegemoment (kgf cm-2) -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood bending
Values
1001
1003
1005
1000
1008
bending_stress_cv_23
23 - bending_stress_cv - coefficient of variance - bending stress (kgf cm-2) - Biegemoment (kgf cm-2) -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood bending
Values
10.1
10.2
10.4
10
10.3
modulelas_bend_av_24
24 - modulelas_bend_av - mean - modulus of elasticity for bending (1000 kgf cm-2) - Elastizitätsmodul (1000 kgf cm-2) -
Unit: 1000 kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood bending
Values
104
102
103
100
101
modulelas_bend_cv_25
25 - modulelas_bend_cv - coefficient of variance - modulus of elasticity for bending (1000 kgf cm-2) - Elastizitätsmodul (1000 kgf cm-2) -
Unit: 1000 kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood bending
Values
10.1
10.2
10.3
104
10
shearstren_par_rad_av_26
26 - shearstren_par_rad_av - mean - shearing strength parallel to wood grain - radial direction (kgf cm-2) - Schermoment (kgf cm-2) -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood shearing
Values
102
101
104
100
103
shearstren_par_rad_cv_27
27 - shearstren_par_rad_cv - coefficient of variance - shearing strength parallel to wood grain - radial direction (kgf cm-2) - Schermoment (kgf cm-2) -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood shearing
Values
10.4
10.2
10.1
10.3
10
shearstren_par_tang_av_28
28 - shearstren_par_tang_av - mean - shearing strength parallel to wood grain - tangential direction (kgf cm-2) - ? -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood shearing
Values
103
102
101
104
100
shearstren_par_tang_cv_29
29 - shearstren_par_tang_cv - coefficient of variance - shearing strength parallel to wood grain - tangential direction (kgf cm-2) - ? -
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood shearing
Values
10.21
10.1
10.3
10
10.2
tensstreng_par_av_30
30 - tensstreng_par_av - mean - tensile strength parallel to wood grain (kgf cm-2) - ? - stretching
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: plant functional trait, variable, wood stretching
Values
1008
1002
1000
1001
1004
tensstreng_par_cv_31
31 - tensstreng_par_cv - coefficient of variance - tensile strength parallel to wood grain (kgf cm-2) - ? - stretching
Unit: kgf cm-2
Data group: Wood compression, bending, shearing, stretch
Keywords: coefficient of variation, wood stretching
Values
1144
11.6
10.9
11.3
11.4
woodtoughness_av_32
32 - woodtoughness_av - mean - wood toughness (kgf-M cm-2) - ? -
Unit: kgf-M cm-2
Data group: Wood toughness
Keywords: plant functional trait, variable, wood toughness
Values
0.16
0.174
0.171
0.132
0.179
woodtoughness_cv_33
33 - woodtoughness_cv - coefficient of variance - wood toughness (kgf-M cm-2) - ? -
Unit: kgf-M cm-2
Data group: Wood toughness
Keywords: variable, coefficient of variation, wood toughness
Values
12.1
0.716
1.064
11.6
12.5
comment
comment; Datagroup description: Helper
Data group: Helper
Values
0,77829,2 this was in the cell for woodtoughness