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Official Journal of the Japan Wood Research Society

Table 1 Tree name, density, and AARW of each test piece

From: Color measurements according to three sections of wood

Serial numbers Tree nameScientific nameProduction areaDensity (g/cm3)AARW (mm)Correlation coefficient between density and AARW
1ConifersAkamatsuPinus densifloraJapan0.490.80-0.0462
2KayaTorreya nuciferaJapan0.465.09
3Ichou*Ginkgo bilobaJapan0.483.05
4SawaraChamaecyparis pisiferaJapan0.343.11
5MomiAbies firmaJapan0.414.41
6TogasawaraPseudotsuga japonicaJapan0.463.27
7KaramatsuLarix kaempferiJapan0.502.10
8HinokiChamaecyparis obtusaJapan0.511.08
9SugiCryptomeria japonicaJapan0.463.32
10EzomatsuPicea jezoensisJapan0.430.80
11TodomatsuAbies sachalinensisJapan0.494.18
12MizukiCornus controversaJapan0.613.43
13YakusugiCryptomeria japonicaJapan0.400.39
14Aomori hibaThujopsis dolabrataJapan0.500.71
15HimekomatsuPinus parvifloraJapan0.392.72
16Noto hibaThujopsis dolabrataJapan0.453.27
17AgathisAgathis sp.Southeast Asia0.471.81
18Western redcederThuja plicataNorth America0.351.21
19Douglas firPseudotsuga menziesiiNorth America0.570.50
20Taiwan cypressChamaecyparis taiwanensisTaiwan0.541.02
21SprucePicea sitchensisNorth America0.510.58
22Southern yellow pinePinus sp.North America0.604.65
23Western hemlockTsuga heterophyllaNorth America0.470.42
24Merkus pinePinus merkusiiLaos0.753.33
25Hard cypressCallitris columellarisAustralia0.690.56
26Yellow cedarChamaecyparis nootkatensisNorth America0.450.95
27SequoiaSequoia sempervirensCalifornia0.444.42
28SosnaPinus sylvestrisEurope0.491.32
29Korean pinePinus koraiensisRussia0.442.22
30Fujian cypressFokienia hodginsiiLaos0.540.62
31Broadleaf treesUdaikanmbaBetula maximowiczianaJapan0.780.75− 0.657**
32KatsuraCercidiphyllum japonicumJapan0.463.82
33KiriPaulownia tomentosaJapan0.277.11
34SenKalopanax pictusJapan0.651.63
35BunaFagus crenataJapan0.742.42
36DoronokiPopulus maximowicziiJapan0.429.66
37ShirakabaBetula platyphyllaJapan0.561.73
38ShirakashiQuercus myrsinaefoliaJapan0.922.98
39YachidamoFraxinus mandshuricaJapan0.641.70
40KuriCastanea crenataJapan0.602.29
41HoonokiMagnolia obovateJapan0.511.89
42KeyakiZelkova serrataJapan0.551.64
43OnigurumiJuglans mandshuricaJapan0.441.72
44KusunokiCinnamomum camphoraJapan0.524.30
45PopuraPopulus nigraJapan0.414.68
46BalsaOchroma lagopusLatin America0.1411.68
47White ashFraxinus americanaNorth America0.771.84
48TeakTectona grandisMyanmar0.721.35
49AspenPopulus tremuloidesNorth America0.464.51
50AlderAlnus rubraNorth America0.524.68
51White oakQuercus albaNorth America0.731.30
52JelutongDyera costulataSoutheast Asia0.441.65
53Hard mapleAcer saccharumNorth America0.773.41
54AssamelaPericopsis elataAfrica0.713.83
55Soft mapleAcer rubrumChina0.482.33
56HackberryCeltis OccidentalisNorth America0.642.40
57SurianToona sureniSoutheast Asia0.355.24
58Coffee treeCoffea arabicaNorth America0.693.07
59MersawaAnisoptera sp.Southeast Asia0.602.67
60Black cherryPrunus serotinaNorth America0.753.48
Correlation coefficient between density and AARW in all trees−  0.376** 
  1. AARW average of annual ring width
  2. A comment on Tree name * “Ichou” is not a conifer, but is listed here for convenience
  3. Significance test results of correlation coefficient **p < 0.01