This standard stipulates the positioning and observation indicators for the southwest dry-hot arid valley ecosystem, namely meteorological observation indicators, hydrological observation indicators, soil observation indicators and biological observation indicators. This standard is applicable to the positioning observation of the hot dry valley ecosystem in southwest my country.
LY/T 2255-2014 history
2014LY/T 2255-2014 Indicator system for long-term observation of Southwest dry-hot and dry valley ecosystem