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LY/T 3354-2023 English PDF

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LY/T 3354-2023: Types and degrees specification of land degradation
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Basic data

Standard ID LY/T 3354-2023 (LY/T3354-2023)
Description (Translated English) Types and degrees specification of land degradation
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B65
Classification of International Standard 65.020
Word Count Estimation 15,139
Date of Issue 2023-06-19
Date of Implementation 2023-11-01
Issuing agency(ies) State Forestry and Grassland Administration

LY/T 3354-2023: Types and degrees specification of land degradation

---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.
ICS 65.020 CCSB65 Forestry Industry Standard of the People's Republic of China Land degradation types and classification standards Released on 2023-06-19 2023-11-01 Implementation The State Forestry and Grassland Administration issued

Table of Contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Types and classification of land degradation 2 4.1 Types and characteristics of land degradation 2 4.1.1 Soil erosion type 2 4.1.2 Land impoverishment type 3 4.1.3 Soil pollution type 3 4.1.4 Land damage type 4 4.1.5 Salinization type 4 4.1.6 Rocky desertification type 4 4.2 Classification and index values of land degradation 4 4.2.1 Soil erosion type degradation assessment 4 4.2.2 Assessment of land degradation and barrenness 8 4.2.3 Soil pollution degradation assessment 8 4.2.4 Land damage and degradation assessment 8 4.2.5 Salinization type degradation assessment 9 4.2.6 Rocky desertification degradation assessment10

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the State Forestry and Grassland Administration. This document is under the jurisdiction of the National Technical Committee for Desertification Control Standardization (SAC/TC365). This document was drafted by. Desertification Research Institute of Chinese Academy of Forestry, Desert Forestry Experimental Center of Chinese Academy of Forestry, Beijing Forestry University. The main drafters of this document are. Feng Yiming, Wang Lili, Cao Xiaoming, Bao Yanfeng, Lu Qi, Hao Yuguang, Ding Guodong, Gao Junliang, Yu Minghan, Xi Lei, Qi Zhao, Ding Jie, Li Zhipeng, and Gong Liyan. Land degradation types and classification standards

1 Scope

This document defines the types of land degradation and their characteristics, the classification of land degradation and the values of various indicators. This document is applicable to the classification and application of land degradation types in the whole country (arid, semi-arid, sub-humid dry areas and rocky desertification areas). Grading.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 15618 Soil Environmental Quality Agricultural Land Soil Pollution Risk Control Standard GB 19377 Classification indicators for natural grassland degradation, desertification and salinization GB/T 20465 Terminology of Soil and Water Conservation GB/T 24255 Technical regulations for monitoring desertified land LY/T 1840 Technical specification for vegetation restoration in karst rocky desertification areas TD/T 1036 Land Reclamation Quality Control Standard SL190 Soil Erosion Classification and Grading Standard National Technical Regulations on Desertification and Sandification Monitoring National Forestry and Grassland Administration (revised version in.2019).

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Land degradation Due to the use of land or due to one or a combination of several forces, rain-fed land and irrigated land in arid, semi-arid and sub-humid dry areas or the decline or loss of biological or economic productivity and complexity of grasslands, rangelands, forests and woodlands. 3.2 Wind erosion The wind acts on the ground, causing the surface soil and sand particles to fly, jump, roll and accumulate, and resulting in the loss of fine particles in the soil. 3.3 Water erosion The destruction, erosion, transportation and deposition of soil and its parent material or other ground components under the action of water such as rainfall and runoff. process. Note. Includes surface erosion, groove erosion, etc. 3.4 Gravitationalerosion The process by which soil and its parent material or bedrock move and accumulate mainly under the action of gravity.

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