HJ 1168-2021
Technical Specifications for National Ecological Status Survey and Assessment——Field Observation of Grassland Ecosystem (English Version)

Standard No.

HJ 1168-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Professional Standard - Environmental Protection

Latest

HJ 1168-2021

Scope

This standard specifies the general principles, technical procedures, field observation sample plot selection and quadrat setup, field observation indicator system, and field observation technical methods for grassland ecosystem field observation. This standard applies to field observations of terrestrial grassland ecosystems across the country and provincial administrative regions. Other geographical areas may refer to this standard.

HJ 1168-2021 Referenced Document

• GB/T 36197 Soil quality—Guidance on sampling techniques
• GB/T 50138 Standard for stage observation

HJ 1168-2021 history

• 2021 HJ 1168-2021 Technical Specifications for National Ecological Status Survey and Assessment——Field Observation of Grassland Ecosystem