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LY/T 3321-2022: Technical specification for assessment of grassland ecosystem values
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Technical specification for assessment of grassland ecosystem values
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LY/T 3321-2022
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Basic data | Standard ID | LY/T 3321-2022 (LY/T3321-2022) | | Description (Translated English) | Technical specification for assessment of grassland ecosystem values | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Classification of International Standard | 65.020 | | Word Count Estimation | 23,274 | | Date of Issue | 2022-11-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3321-2022: Technical specification for assessment of grassland ecosystem values---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.
ICS65:020
CCSB65
Forestry Industry Standard of the People's Republic of China
Technical specification for grassland ecological value assessment
Posted on 2022-11-30
2023-04-01 Implementation
Released by the State Forestry and Grassland Administration
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Evaluation Index System 2
5 Evaluation data sources 3
6 Evaluation method 3
6:1 Technical process of grassland ecological value assessment 3
6:2 Grassland ecological value sub-item accounting method 4
6:3 Grassland ecological value assessment method 8
Appendix A (Informative) Calculation Method of Grassland Ecological Value Substances 10
Appendix B (Informative) Grassland Ecological Valuation Parameter Data 17
Appendix C (Normative) Grassland Ecological Value Assessment Summary Table 18
Reference 19
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 is proposed and managed by the Grassland Standardization Technical Committee (NFGA/TC2) of the National Forestry and Grassland Administration:
This document was drafted by: Institute of Geographical Science and Natural Resources Research, Chinese Academy of Sciences, Grassland Management Department of State Forestry and Grassland Administration, Inner Mongolia Agriculture
University, China Agricultural University, Southwest University for Nationalities:
The main drafters of this document: Fan Jiangwen, Huang Lin, Yang Zhi, Li Yuzhe, Zhang Haiyan, Wang Guancong, Cao Wei, Han Guodong, Rong Yuping, Wang Suizi,
Zhang Yaxian, Li Jiahui, Wang Zhongwu, Li Zhiguo:
Technical specification for grassland ecological value assessment
1 Scope
This document specifies the index system, data sources, and evaluation methods for grassland ecological value assessment:
This document is applicable to the verification of grassland ecological value, grassland ecosystem services, grassland ecosystem production value, compensation for grassland expropriation, etc:
Calculate and evaluate:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
LY/T 2649-2016 Technical Regulations for Assessment of Biodiversity Conservation Value in Nature Reserves
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
Mainly determined by the structure and function of the grassland ecosystem, it can provide various services and benefits to human beings in the form of value:
Note: Including main categories such as support service value, supply service value, adjustment service value and cultural service value:
3:2
Using long-term continuous positioning observation of grassland ecosystem, grassland resources investigation, multi-source remote sensing monitoring, ecological model simulation and social public resources
Calculate the amount of grassland ecological value, and evaluate its value and change status based on the data obtained through source collection and other methods:
3:3
It is an indispensable form of valorization for the generation of service value such as supply, regulation, and culture of the grassland ecosystem:
Note: Include values such as soil conservation, nutrient input, etc:
3:4
Grasslands provide the valued forms of various materials and energy needed by human beings:
Note: Including pasture, other production raw materials and germplasm resource conservation:
3:5
The value form of various benefits that the grassland ecosystem can provide to human beings in the process of regulating water, soil and air:
Note: The value of climate change mitigation, microclimate regulation, air quality regulation, water conservation, etc:
3:6
Valuation of intangible benefits such as landscape recreation, aesthetic inspiration, homeland complex and cultural heritage obtained by humans from grassland ecosystems
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