This standard specifies the positioning and observation indicators of forest ecosystems in arid and semi-arid areas, namely conventional meteorological indicators, forest microclimate and gradient indicators, forest atmospheric deposition indicators, physical and chemical indicators of forest soil, forest ecosystem health indicators, forest hydrological indicators and forest communities. academic characteristic indicators. This standard is applicable to positioning and observation of forest ecosystems in arid and semi-arid areas of my country.
LY/T 1688-2007 Referenced Document
LY/T 1606-2003 Indicators system for long-term observation of forest ecosystem
LY/T 1688-2007 history
2007LY/T 1688-2007 Indicators system for long-term observation of forest ecosystem in arid and semi-arid zone