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LY/T 3371-2024: Technical specification for evaluating ecological condition of grasslands
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Technical specification for evaluating ecological condition of grasslands
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LY/T 3371-2024
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Basic data | Standard ID | LY/T 3371-2024 (LY/T3371-2024) | | Description (Translated English) | Technical specification for evaluating ecological condition of grasslands | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B40 | | Word Count Estimation | 12,150 | | Date of Issue | 2024-02-07 | | Date of Implementation | 2024-06-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3371-2024: Technical specification for evaluating ecological condition of grasslands---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 65.020.01
CCSB40
Forestry Industry Standard of the People's Republic of China
Technical specification for grassland ecological status assessment
Released on 2024-02-07
2024-06-01 Implementation
The State Forestry and Grassland Administration issued
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.
This document was proposed by the Forestry and Grassland Administration of the People's Republic of China.
This document is under the jurisdiction of the National Grassland Standardization Technical Committee (NFGA/TC2).
This document was drafted by. Beijing Forestry University, Lanzhou University, Northwest Plateau Biology Institute of Chinese Academy of Sciences, Sichuan Grassland Science Research Institute
Institute of Animal Husbandry and Veterinary Medicine, National Forestry and Grassland Administration Survey Planning and Design Institute, National Forestry and Grassland Administration Southwest Survey Planning Institute, Qinghai University Animal Husbandry and Veterinary College,
Xinjiang Agricultural University, Inner Mongolia University, Tibet Autonomous Region Academy of Agricultural and Animal Husbandry Sciences.
The main drafters of this document are. Dong Shikui, Yang Xiuchun, Shang Zhanhuan, Zhou Huakun, Ji Baoming, Ping Xiaoyan, Wang Tiemei, Lin Changcun, Shi Junhua,
Liu Gang, Bai Shiqi, Liu Yongjie, Dong Quanmin, Zhang Yuhao, He Fengcai, Yang Xiaoyuan, Wang Yu, Wei Xiaoxing, Dorje Dunzhu, Zhang Xianhua, Baoyin Taogetao,
Huugjilt, Zhou Su, Yang Siwei, Shi Changguang, Xiao Bingxue.
Technical specification for grassland ecological status assessment
1 Scope
This document specifies the content and methods for evaluating the ecological status of grasslands in my country.
This document applies to all types of grasslands throughout the country (including natural grasslands, grassy hills, grassy slopes, and all artificial grasslands except urban green spaces).
grassland).
2 Normative references
The contents of the following documents constitute 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 19377 Classification indicators for natural grassland degradation, desertification and salinization
GB/T 21439 Evaluation of grassland health status
GB/T 28419 Technical Guidelines for Remote Sensing Monitoring of Grassland Desertification in Sand Source Areas
NY/T 1233 Technical Specification for Grassland Resources and Ecological Monitoring
NY/T 2997 Grassland Classification
NY/T 2998 Technical Specification for Grassland Resources Survey
NY/T 3648 Grassland vegetation health monitoring and evaluation methods
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Ecological condition
The healthy state of grassland ecosystem (including biological and abiotic factors) under the influence of natural and human factors.
3.2
ecological changes
Under the influence of environmental changes and human activities, the structure and function of grassland ecosystems change from one state to another.
The process from a relatively good state to a relatively bad state is called a degradation process, and the process from a relatively bad process to a relatively good process is called a
Recovery process.
3.3
Grassland Health
The state of the structure and function of grassland ecosystems, specifically the state of the biological and non-biological elements such as soil, vegetation, water and air.
Structural integrity and the balance of ecological processes and their sustainability. Grassland health is often used to refer to a specific function of grassland.
and function.
NOTE. Such as maintaining primary production, soil stability, water and nutrient cycling, energy flow and species diversity.
3.4
grassland degradation
Under the influence of adverse natural factors such as drought, sandstorms, water erosion, salinity, waterlogging, groundwater level changes, or overgrazing and mowing or abuse of
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