T/CREVA 1102-2023 Wetland Evaluation Technical Specification

Scope

Scope: This document specifies the terms and definitions, general principles, valuation procedures, wetland land prices, ecological value, compensation prices for ecological environmental damage, and evaluation methods for ecological protection compensation prices in China's wetlands. This document is applicable to the price evaluation of different types of wetlands in China, including forest swamps, shrub swamps, swamp grasslands, other swamp lands, coastal tidal flats, inland tidal flats, and mangrove forests. Main technical content: It specifies the main evaluation methods and key points for wetland land prices, the evaluation objects and scope of wetland benchmark land price evaluation, evaluation procedures and preparatory work, basic data investigation and compilation, definition of benchmark land price connotation, benchmark land price evaluation and determination, preparation of benchmark land price correction coefficient tables, preparation of results, and updating of benchmark land prices. It specifies the evaluation procedures for wetland ecological value, ecosystem service indicators, evaluation methods for ecosystem service indicators, and evaluation methods for ecological value. It specifies the main application scope of evaluation for wetland ecological protection compensation prices, the basic principles, application formulas, application scope, evaluation steps, and application points of two evaluation methods: cost method and ratio method. It specifies the main application scope of evaluation for wetland ecological environmental damage compensation prices, the basic principles, application formulas, application scope, evaluation steps, and application points of four evaluation methods: restoration cost method, loss capitalization method, pre-damage and post-damage price difference method, and damage value proportion method. It specifies the general procedures for wetland price evaluation.

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