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GB/T 21439-2008: Assessment for the status of rangeland health
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21439-2008 | English | 329 |
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Assessment for the status of rangeland health
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GB/T 21439-2008
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Basic data | Standard ID | GB/T 21439-2008 (GB/T21439-2008) | | Description (Translated English) | Assessment for the status of rangeland health | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B40 | | Classification of International Standard | 65.020.01 | | Word Count Estimation | 14,114 | | Date of Issue | 2008-02-01 | | Date of Implementation | 2008-04-01 | | Quoted Standard | NY/T 1121.6-2006; NY/T 1233-2006; SL 277-2002; TD/T 1004-2003; TD/T 1005-2003 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.2 (Total No.115) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the method of grassland health indicators and evaluation. This standard applies to the health of grassland classification and evaluation. | GB/T 21439-2008: Assessment for the status of rangeland health---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.
Assessment for the status of rangeland health
ICS 65.020.01
B40
National Standards of People's Republic of China
Prairie Health Evaluation
Posted 2008-02-01
2008-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Evaluation 3
Step 5 Evaluation 6
Right Appendix A (informative) Evaluation of the health of grassland weight coefficient 9
Reference 10
Foreword
Appendix A of this standard is an informative annex.
The standard proposed by the People's Republic of China Ministry of Agriculture.
This standard by the National Standardization Technical Committee of animal husbandry.
This standard was drafted. Beijing Animal Husbandry and Veterinary Research Institute, Chinese Academy of Agricultural Sciences.
The main drafters of this standard. Li Xianglin, Wan Li Qiang, He Feng, Liu Yujie.
Prairie Health Evaluation
1 Scope
This standard specifies the indicators and methods of grassland health evaluation.
This standard applies to the health of grassland classification and evaluation.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
NY/T 1121.6-2006 soil testing - Part 6. Determination of organic matter in soil
NY/T 1233-2006 Technical specification of grassland resources and ecological monitoring
Soil and Water Conservation Monitoring Technical specification SL277-2002
TD/T 1004-2003 Regulations of Farmland Grading
TD/T 1005-2003 agricultural land grading procedures
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Natural plant communities with a large area of \u200b\u200bgreen land, its plants or plant parts may be used directly after mowing or grazing livestock. grass
Original native vegetation (potential climax climax communities or communities under natural conditions) is not a tree, but mainly Gramineae, legumes, sedges, miscellaneous
Grass and other herbs or animal feed may tender foliage shrubs. Feed prairie provided mainly from the natural vegetation, for the introduction of grassland
Cultivated plants, but also according to the unified management of natural vegetation.
This standard does not include the alleged prairie grass and artificial green grass.
3.2
, Ecological processes (ecologicalprocess) balance the integrity of the grassland ecosystem biological and non-biological structures (integrity) and
Sustainable level.
3.3
It is unique in terms of the physical properties of the soil, vegetation types and yields as well as a response to the management and so on, and there are obviously other types of land
The difference between land units. Grassland habitat is the basic unit to the health of the evaluation.
3.4
Soil (land border) resistance to wind and water caused soil resources (including mineral nutrients and organic matter) redistribution and loss of capacity.
3.5
Underground habitat acquisition, storage and safe release of capacity from precipitation, snowmelt runoff and other water sources, and the ability to resist the loss of function, and back
After the resilience of these functions.
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