T/CSF 0122-2025 Evaluation method for the management effectiveness of forest stand scale
T/CSF 0122-2025 Evaluation method for the management effectiveness of forest stand scale
Basic Information
Scope
Evaluation Methods for Forest Management at the Stand Scale 1. Scope This document specifies the evaluation index system and evaluation methods for forest management effectiveness, including technical requirements such as the composition of the evaluation index system, the distribution of index weights, data collection methods, and evaluation grade classification. This document is applicable to the evaluation of management effectiveness at the stand level for both public welfare forests and commercial forests. 2. Normative Reference Documents The following documents are essential for the application of this document. For dated reference documents, only the version dated on the specified date is applicable to this document. For undated reference documents, the latest version (including all amendment lists) is applicable to this document. GB/T 26424-2010 Technical Regulations for Forest Resource Planning and Design Survey LY/T 3178-2020 Technical Regulations for the Management of Secondary Forests in Northwest and North China Mountains LY/T 2810-2017 Structured Forest Management Technical Regulations LY/T 2811-2017 Structured Forest Management Data Survey Technical Regulations 3. Definitions and Terminology The following terms and definitions apply to this standard. 3.1? Technical Rationality (Ta) Refers to the degree of similarity between the state of the stand after management and the target stand state. 3.2? Economic Feasibility (BCR) Refers to the degree of profitability obtained from forest management activities. 3.3 Uniform Angle Index (Wi) An indicator for evaluating the distribution pattern of trees in a stand. [Source: LY/T2811—2017,3.2.1] 3.4? Mingling (Mi) The degree of spatial isolation between different tree species in a stand. [Source: LY/T2811—2017,3.2.2] 3.5? Dominance (Ui) The ecological niche occupied by trees in a structural unit. [Source: LY/T2811—2017,3.2.3] 3.6 Relative Dominance (Dg)