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LY/T 1957-2011: Specification for data processing and statistic in national forest inventory
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Specification for data processing and statistic in national forest inventory
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LY/T 1957-2011
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Basic data | Standard ID | LY/T 1957-2011 (LY/T1957-2011) | | Description (Translated English) | Specification for data processing and statistic in national forest inventory | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Classification of International Standard | 65.020 | | Word Count Estimation | 49,472 | | Date of Issue | 2011-06-10 | | Date of Implementation | 2011-07-01 | | Quoted Standard | GB/T 2260-2002; LY/T 1353-1999; LY/T 1812-2009; National Forest Inventory (NFI) technology provides that the State Forestry Bureau UNCDF [ 2004 ] on the 25th | | Regulation (derived from) | State Forestry Administration in 2011 Notice No. 9 | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard applies to the country's National Forest Inventory data entry, data processing, statistics and report output. This standard of the National Forest Inventory data entry, data processing statistics and statements made standardized technical requirements. | LY/T 1957-2011: Specification for data processing and statistic in national forest inventory---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.
Specification for data processing and statistic in national forest inventory
ICS 65.020
B65
People's Republic of China Forestry Industry Standard
National forest resources continuous inventory data processing statistical norms
Published on.2011-06-10
2011-07-01 implementation
State Forestry Administration released
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 data entry 2
4.1 General requirements 2
4.2 Entry Content 2
4.3 Entry Method 2
4.4 Data Check 3
5 Data Processing 4
5.1 Basic requirements 4
5.2 Sample data processing 4
5.3 Sample wood data processing 5
6 Status Statistics 7
6.1 General requirements 7
6.2 Statistics 7
6.3 Statistical methods 8
7 Dynamic Statistics 9
7.1 Statistical content 9
7.2 Statistical methods 9
8 growth and decline statistics 10
8.1 Statistical Contents and Methods 10
8.2 Estimation of total growth of each type and its estimation accuracy 11
8.3 Estimation of total consumption of each type and its estimation accuracy 12
9 Data summary 13
9.1 Summary Principle 13
9.2 Accumulated Type Data Summary 13
9.3 Summary of other types of data 13
Appendix A (normative appendix) List of names and types of data items collected by the National Forest Resources for continuous inventory
Appendix B (Normative Appendix) National Forest Resources Continuous Inventory Data Processing Statistical Results Report 26
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the East China Forestry Investigation Planning and Design Institute of the State Forestry Administration.
This standard is under the jurisdiction of the National Forest Resources Standardization Technical Committee (SAC/TC370).
This standard is mainly drafted by. East China Forestry Survey Planning and Design Institute of State Forestry Administration, Forest Resources Management Department of State Forestry Administration, National Forest
Industry Bureau survey planning and design institute.
The main drafters of this standard. Nie Xiangyong, Yao Shunbin, Zhang Min, Huang Guosheng, Zhang Weidong, Cha Yinshui, Hu Jian, Luo Qinfeng.
National forest resources continuous inventory data processing statistical norms
1 Scope
This standard proposes a unified and standardized technology for data entry, data processing statistics and results reporting for the continuous inventory of national forest resources.
Claim.
This standard applies to the data entry, data processing statistics and results report output of the national forest resources continuous inventory.
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 2260-2002 Administrative division code of the People's Republic of China
LY/T 1353-1999 standing timber table
LY/T 1812-2009 Woodland Classification
Technical Regulations for the Continuous Inventory of National Forest Resources (Lin Zifa [2004] No. 25 of the State Forestry Administration)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
National forest resources for continuous inventory of nationalforestinventory
Taking the province (municipality directly under the central government, autonomous region) as the unit, using the sample survey method, the fixed sample site is mainly used for periodic review, and the investigation unit macro is found.
Observing the quantity and quality of forest resources and their dynamic changes, producing provincial-level results, and collecting statistics to the whole country, formulating and adjusting for the country and provinces.
Providing a scientific basis for the implementation of forestry policies, policies, plans, plans, and supervision and inspection of the target responsibility system for the growth and decline of forest resources in various regions.
Forest resource survey. Referred to as a type of inventory.
3.2
Forest resource data entry forestresourcedataentering
Continuously inspect national forest resources for data collected by field survey data or other means, including figures, texts, graphics, images, etc.
Material, the process of inputting to the computer system.
3.3
Forest resource data logic check forestresourcedatalogicalitychecking
Use the correlations between the forest resource data and the scope of the standard or scale to check or measure the data that has been entered
A data validation method that is correct for incoming data.
3.4
Forest resource data processing forestresourcedataprocessing
Before carrying out the statistics of the continuous inventory check of forest resources, the volume of individual wood samples, the data of the visual sample plots, the data of the cross-sectional forest plots, and the accumulation and growth
The process of consuming data for simulation calculations.
3.5
Forest resource data statistics forestresourcedatastatistic
Calculate and summarize the continuous inventory data of forest resources, and present the results of statistical summary data in the form of reports, graphs, and texts.
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