GB/T 8822.12-1988 China forest tree seed area Spruce seed area

GB/T 8822.12-1988 China Forest Tree Seed Zone Spruce Seed Zone GB/T8822.12-1988 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
GB8822.12-1988
Seed zones of Chinese forest trees-Seed zones ofPicea asperata mast.
Published on April 13, 1988
National Technical Supervision
Implementation on August 1, 1988
National Standard of the People's Republic of China
Seed zones of Chinese forest trees-Seed zones ofPicea asperata mast.
GB 8822.12-1988
This standard applies to seeds used for afforestation within the scope of this zoning. It does not apply to seeds used for urban greening and experiments. 1 Terminology
For seed batch, seedling batch, origin (seed source), seed zone, seed sub-zone, see GB8822.1 Zone》
2 Seed zone division
-88《Chinese Forest Seed Zones Chinese pine seeds
There are 3 seed zones and 4 sub-zones within the natural distribution range, see Appendix A (supplement). The natural conditions and forest characteristics of various sub-zones are shown in Appendix B (reference)
3 Origin label
3.1 After collecting seeds, fill in the origin label for each seed batch and attach it to the inside and outside of the packaging container. After the seeds are prepared, the label should be kept throughout the whole process from packaging and transportation to sowing. When the seedlings are taken out of the nursery, the origin label should be attached by the batch. 3.2 The origin label is formulated by the county or the forestry department at the same level, and a special person is responsible for signing it. 3.3 The origin label is yellow. Its size and form can be found in GB8822.1-88 "China's Forest Seed Zone Pinus Tabulaeformis Seed Zone 4 Seed Use Regulations" 4.1 Seed-using units can only use seeds with origin labels 1W.n6
4.2 Except for the southern sub-area of ​​Gannan (I.), which can use seeds from the northwestern Sichuan seed area (I), others can only use seeds from this seed area. However, the marginal counties adjacent to the two sub-areas can use seeds from each other. 4.3 The collection and use of seeds shall not exceed the altitude range specified in the seed area division table in Appendix A. Appendix A
Seed zone division table and zoning map
(supplement)
Table A1 Seed zone division table
Seed zone
Seed sub-zone
Gannan District
Northwest Sichuan District
Qinxi District
Northern sub-zone
Southern sub-zone
Western sub-zone
Eastern sub-zone District
Gansu Province: Xiahe County, Lintan County, Zhuoni County, Min County Altitude 2400~2800m
Gansu Province: Diebu County, Zhouqu County, Wen County Altitude 2400~2800m
Sichuan Province: Hongyuan County, Ruoergai County, Aba County, Seda County, Jinchuan County, Xiaojin County, Dan
Ba County, Maerkang County, Rongtang County
Altitude 29 003500m
Sichuan Province: Nanping County, Songpan County, Heishui County, Li County, Wenchuan County, Maowencha Autonomous County, Pingwu County, Beichuan County, Mianzhu County, Baoxing County Altitude 2400~3400m
Gansu Province: Tianshui City, Zhang County, Cheng County, Xihe County, Li County, Liangdang County, Hui County; Shaanxi Province: Feng County, Taibai County, Foping County
2000~2500m above sea level
Seed area
Western industry area Sichuan
Annual average
North Xing sub-area (T.
Area ()
Eastern industry area (sub)
Figure A1 Schematic diagram of seed area division
Appendix B
Basic characteristics table of seed area
(reference)
Average temperature in January
Average temperature in July
≥10°℃
Annual accumulated temperature
Annual precipitation
Region (H)
Seed region boundary
Seed subregion boundary
Forest characteristics
Gannan regionbzxz.net
Northwest Sichuan region
Longnan Qin
Additional notes:
This standard is under the jurisdiction of the Forestry Research Institute of the Chinese Academy of Forestry. This standard was drafted by the Sichuan Forestry Research Institute. The main drafters of this standard were Zhou Dezhang, Liang Chao, and Han Ying11
Mountain cold
Belt cloud fir
West Sichuan
Mountain dark conifer
Qinba Mountains||tt| |Hill oak
Bashan Songhua
There are natural pure forests in Zhouqu County, Lintan County, and Zhuoting County at an altitude of 2400~2800m. The rest are scattered. There are about 20,000 hectares of inhabited forests in this area at an altitude of about 3000m. In
Songpan County, Ruoergai County, Chong
In Shui County and Li County, there are patches, tens of thousands of patches, and blocks of natural pure forests, which are mixed with Minjiang fir, birch, poplar, and alpine oak forests. Songpan County, Heishui County, Li County, and Xiaojin County's spruce collection base can provide more than 5,000 kg of pure seeds in every seed-rich year. There are about 20-year-old artificial forests in the range of 2300-3800m above sea level. There are discontinuous zero-number forests in the range of 2000-2500m above sea level, mostly scattered in Huashan pine, Chinese pine, Taibai fir and Minjiang fir forests, or with Qingqiao big fruit stalk and wheat hanging fir. In 1983, one million spruce seedlings were transferred from He and other places. The annual consumption was 17hzen. The annual consumption was 17hzen. The standard grant network WWW.bzsosO.com is a standard industry information download fee.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.