This standard specifies the positioning and observation indicators of sand ecosystems in subhumid and arid areas, namely meteorological indicators, atmospheric environment indicators, soil indicators, hydrological indicators and biological indicators. This standard is suitable for positioning and observation of sandy ecosystems in subhumid and arid areas of my country.
LY/T 2254-2014 history
2014LY/T 2254-2014 Indicator system for long-term observation of sandy land ecosystem in dry subhumid zone