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Table 2 The origin and natural conditions of 132 families planted in progeny tests trials. The S and P in parentheses represent source of seeds and parent stand respectively

From: Age trends of genetic parameters, early selection and family by site interactions for growth traits in Larix kaempferi open-pollinated families

Order of families

Origin

Source of seeds (S) or parent stand (P)

The state of seed collection sites

Latitude

Longitude

Altitude (m)

Annual average temperature (°C)

Mean annual rainfall (mm)

85–88

Japan

Bibai in Hokkaido (S)

43° 20'

141° 50'

20

7

1305

89–118

Japan

Kuriyama in Hokkaido (S)

43° 08'

141° 45'

26

7.2

1238

198–205

207–213

119–125

Japan

Morioka in Iwate-ken (S)

39° 42'

141° 10'

135

10.3

1310

126–193

Japan

Komoro in Nagano (S)

36° 20'

138° 40'

843

9.9

1578

194

Japan

Engaru in Hokkaido (S)

44° 00'

143° 20'

236

5.3

929

195–196

Japan

Esashi in Iwate-ken (S)

39° 10'

141° 12'

40

10.7

1203

197

Japan

Azumino in Nagano (S)

36° 10'

137° 45'

1315

7.1

1913

214

China

Dandong in Liaoning (P)

40° 30'

124° 05'

320

8

750

215

China

Laoshan in Shandong (P)

36° 05'

120° 25'

110

12

1000

216

China

Qingyuan in Liaoning (S)

42° 45'

125° 48'

550

6

650

217

China

Jianshi in Hubei (P)

30° 45'

109° 45'

1700

15

1600