GB 4862-1984
Replaced
LY/T 1687-2007
Active
Industry standards-Forestry
LY/T 1687-2007 Indicators system for long-term observation of forest ecosystem in tropical zone
LY/T 1687-2007 Indicators system for long-term observation of forest ecosystem in tropical zone
Basic Information
Standard Code:
LY/T 1687-2007
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nForest resource protection
ICS Name:
Agriculture and forestry
Publish Date:
2007-06-04
Implement Date:
2007-10-01
Pages:
11 pages
Scope
This standard specifies the location observation indicators of tropical forest ecosystems, including meteorological routine indicators, forest microclimate and gradient indicators, forest atmospheric deposition indicators, physical and chemical indicators of forest soils, forest ecosystem health indicators, forest hydrological indicators, and forest community characteristics indicators. This standard is applicable to the location observation of tropical forest ecosystems within China (excluding mangrove forests distributed on coastal beaches and estuary beaches).
Development Information
Referenced Standards
Related Standards
GB/T 8137-1987
Replaced
GB/T 8137-1987 Seed lac—Specification
GB/T 8138-1987
Replaced
GB/T 8138-1987 Shellac
GB/T 8139-1987
Replaced
GB/T 8139-1987 Dewaxed shellac, Decolorized shellac and decolorized dewaxed shellac
GB/T 8140-1987
Replaced
GB/T 8140-1987 Bleached lac
GB/T 8141-1987
Replaced