GB 12340-1990
Replaced
T/GDDL 2-2022
Active
Group standards
T/GDDL 2-2022 Regional Ecological Security Pattern and Ecological Corridor Construction Technical Specification
T/GDDL 2-2022 Regional Ecological Security Pattern and Ecological Corridor Construction Technical Specification
Price:
$ 20.00
Basic Information
Standard Code:
T/GDDL 2-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Astronomy, geodesy, and geography
Publish Date:
2022-06-16
Implement Date:
2022-06-20
Scope
Scope: This document stipulates the basic principles of regional ecological security patterns and ecological corridors, the environmental variable system, the explanation of environmental variables, and guidelines for constructing ecological security patterns and ecological corridors. This document is applicable to the construction of ecological security patterns and ecological corridors in relevant planning such as regional land spatial planning, urban planning, ecological planning, and ecological network planning. It can also serve as a reference in the field of landscape ecological security patterns. Main technical content: Basic principles of regional ecological security patterns and ecological corridors, the environmental variable system, the explanation of environmental variables, and guidelines for constructing ecological security patterns and ecological corridors.
Development Information
Related Standards
GB 12341-1990
Replaced
GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
GB/T 13605-1992
Abolished
GB/T 13605-1992 Coordinatograph
GB/T 13977-1992
Replaced
GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps
GB/T 13989-1992
Replaced
GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps
GB/T 13990-1992
Replaced