This standard specifies positioning observation indicators for warm temperate forest ecosystems, 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 community characteristics. index. This standard is applicable to long-term positioning observations of desert ecosystems within my country.
LY/T 1689-2007 Referenced Document
LY/T 1606-2003 Indicators system for long-term observation of forest ecosystem
LY/T 1689-2007 history
2007LY/T 1689-2007 Indicators system for long-term observation of forest ecosystem in warm temperate zone