HJ 1167-2021 (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 forest ecosystem field observation. This standard applies to field observations of terrestrial forests and shrub ecosystems across the country and provincial administrative regions. Other geographical areas may refer to this standard.

HJ 1167-2021 Referenced Document

GB/T 14721 Classification and codes for forestry resources-Forest types
GB/T 26424 Technical regulations for inventory for forest managenment planning and design
GB/T 30363 Technical specification for forest vegetation monitoring
GB/T 33027 Methodology for field long-term observation of forest ecosystem
GB/T 35221 Specifications for surface meteorological observation—General
HJ 1166 National Ecological Status Survey and Evaluation Technical Specifications—Ecosystem Remote Sensing Interpretation and Field Inspection HJ 1166-2021
HJ 710.1 Technical guidelines for biodiversity monitoring.Terrestrial vascular plants
HJ/T 166 Technical specification for soil environmental monitoring
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 1167-2021 Technical Specifications for National Ecological Status Survey and Assessment——Field Observation of Forest Ecosystem