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LY/T 2908-2017 English PDF

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US$349.00 · In stock
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LY/T 2908-2017: Regulations for age-class and age-group division of main tree-species
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 2908-2017	349	Add to Cart	3 days	Regulations for age-class and age-group division of main tree-species	Valid

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Basic data

Standard ID: LY/T 2908-2017 (LY/T2908-2017)
Description (Translated English): Regulations for age-class and age-group division of main tree-species
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B60
Classification of International Standard: 65.020
Word Count Estimation: 15,188
Date of Issue: 2017-10-27
Date of Implementation: 2018-01-01
Regulation (derived from): National Forestry Admistration Notice 2017 No.18; Industry Standard Filing Notice No.12 (Total No.216)
Issuing agency(ies): State Forestry Administration

LY/T 2908-2017: Regulations for age-class and age-group division of main tree-species

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Regulations for age-class and age-group division of main tree-species ICS 65.020 B60 People's Republic of China Forestry Industry Standard Major tree species age and age group division Released on.2017-10-27 2018-01-01 implementation State Forestry Administration released

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Principle 2 4.1 Zoning Principle 2 4.2 Classification Principle 2 5 Method 2 5.1 Age Term Category 2 5.2 Age classification 3 5.3 Determination of the age of the main cutting and the updated harvesting age 3 5.4 Age group determination method 3 6 main arbor tree age group 4 6.1 Timber forest tree age group 4 6.2 Protective Forest Tree Age Group 7 6.3 Special Forest Tree Age Group 10 6.4 Wood energy forest tree age group 10 7 bamboo 10 Reference 11

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Forest Resources Management Department of the State Forestry Administration. This standard is under the jurisdiction of the National Forest Resources Standardization Technical Committee (SAC/TC370). This standard was drafted. State Forestry Administration Survey Planning and Design Institute, Heilongjiang Provincial Forestry Monitoring and Planning Institute. The main drafters of this standard. Wang Hongchun, Li Guochun, Yan Guojun, Wang Rong, Wang Hezhi, Yan Fei, Shi Jun, Zhou Jie, Wang Qian, Gao Zuofeng, Zhang Dawei, Wan Jie, Weng Guoqing, Chen Mengdi, and Bian Ce. Major tree species age and age group division

1 Scope

This standard stipulates the principle of dividing the age class and age group of major tree species in timber forests, shelter forests, special forests and woody energy forests (firewood forests). And indicators. This standard applies to the continuous inventory of forest resources, forest resource planning and design survey and related monitoring and management.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 26423-2010 Forest resource terminology LY/T 1646 Forest Harvesting Procedures LY/T 1723 Farmland Shelter Forest Harvesting Procedures LY/T 1724 Short-rotation and fast-growing and high-yield timber harvesting procedures LY/T 2012 forest classification

3 Terms and definitions

The following terms and definitions as defined in GB/T 26423 apply to this document. 3.1 Age-level period-classperiod(interval) Age class The number of years covered by each age is the quantitative size of the forest age. Generally affected by the biological characteristics, site conditions, and management level of tree species Ringing, reflecting the growth rate of the stand, commonly used are 20a, 10a, 5a, 2a and 1a. The age-level term symbol is Ap. 3.2 Age-ageage Age-ageage Trees or stands are graded by age. That is, according to the forest management requirements and the biological characteristics of the tree species, the age-based period is used as the spacing. Several levels. Age-level codes are generally represented by Roman numerals I and II. The larger the number, the higher the age and the older. The age symbol is Ac. The first level is represented by Ac1, the second grade is represented by Ac2, and the rest is analogous. Note. Rewrite GB/T 26423-2010, definition 6.26. 3.3 Age group agegroup Grouping of forest ages according to the stage of growth and development of forest trees and business purposes. The age group symbol is Ag. The arbor forest is divided into five age groups. young forest, middle-aged forest, near-mature forest, mature forest and over-ripe forest. The codes of each age group are Ag1, Ag2, Ag3, Ag4, Ag5. The bamboo forest is divided into young bamboo, strong-aged bamboo and old-aged bamboo. The codes of each age group are Ag1, Ag2 and Ag3. ......

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Question 1: How long will the true-PDF of LY/T 2908-2017_English be delivered?

Answer: Upon your order, we will start to translate LY/T 2908-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of LY/T 2908-2017_English with my colleagues?

Answer: Yes. The purchased PDF of LY/T 2908-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.