HJ 1169-2021 (English Version) PDF

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 wetland ecosystem field observation. This standard applies to field observations of terrestrial wetland ecosystems across the country and provincial administrative regions. Other geographical areas may refer to this standard.

HJ 1169-2021 Referenced Document

GB 3838 Environmental quality standards for surface water
GB/T 27648 Indicators for important wetland monitoring
GB/T 36197 Soil quality—Guidance on sampling techniques
HJ 1166 National Ecological Status Survey and Evaluation Technical Specifications—Ecosystem Remote Sensing Interpretation and Field Inspection HJ 1166-2021
HJ 615 Soil.Determination of organic carbon.Potassium dichromate oxidation spectrphotometric method
HJ 710.12 Technical guidelines for biodiversity monitoring—aquatic vascular plants
HJ 710.8 Technical guidelines for biodiversity monitoring.Freshwater benthic macroinvertebrates
LY/T 1213 Determination of forest soil water content
LY/T 2090 Indicators system for long-term observation of wetland ecosystem
LY/T 2258 Technical regulation on methodology for tree biomass modeling
LY/T 2259 Technical regulation on sample collections for tree biomass modeling
SL 276 Standard for construction of hydrological fundamental facilities and technical equipment(explanation)

2021 HJ 1169-2021 National Ecological Status Survey and Assessment Technical Specifications——Field Observation of Wetland Ecosystem