HJ 1170-2021 (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 desert ecosystem field observation. This standard applies to field observations of desert ecosystems in national and provincial administrative regions. Other geographical areas may refer to this standard.

HJ 1170-2021 Referenced Document

GB/T 33867 Measurement for photosynthetic active radiation—Hemispherical radiometer method
GB/T 35226 Specifications for surface meteorological observation—Air temperature and humidity
GB/T 35227 Specifications for surface meteorological observation—Wind direction and wind speed
GB/T 35228 Specifications for surface meteorological observation—Precipitation
GB/T 35230 Specifications for surface meteorological observation—Evaporation
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 710.3 Technical guidelines for biodiversity monitoring.Terrestrial mammals
HJ 710.5 Technical guidelines for biodiversity monitoring.Reptiles
HJ 962 Potentiometric method for the determination of soil pH
LY/T 1225 Determination of forest soil particle-size composition(mechanical composition)
LY/T 1752 Observation technical regulations for desert ecosystem
LY/T 2258 Technical regulation on methodology for tree biomass modeling
LY/T 2259 Technical regulation on sample collections for tree biomass modeling
NY/T 1121.4 Soil Testing.Part 4:Method for determination of soil bulk density

2021 HJ 1170-2021 Technical Specifications for National Ecological Status Survey and Assessment——Field Observation of Desert Ecosystem