国内外森林健康评价指标体系综述

Review on Forest Health Evaluation Index System

森林健康评价是当前国内外的热点问题,已成为国内外森林状况评估和森林资源管理的重要手段,但目前森林健康评价指标体系差别较大。对森林健康评价指标的种类和频度进行分析和讨论,发现国外森林健康评价指标主要集中于生态系统本身的属性且相对稳定,国内评价指标则涵盖自然和社会经济等多个方面。与国外相比,国内森林健康指标过多、过泛,部分指标可操作性差,含义不清。需要制定统一和标准的森林健康评价指标,每个指标的阈值可因地域、经营目标、森林类型各异。

Forest health assessment is currently a hot research issue both at home and abroad, for the evaluations of forest conditions and forest resource management. However, there are various forest health evaluation index standards in use. The paper analyzes the types and frequencies of forest health evaluation indexes based on a literature review. Results show that the indexes used abroad are mainly related with the inherent characteristics of forest ecosystems, while, the indexes used in China cover both natural and socioeconomic aspects and are much more numerous as compared to those in international uses. Some evaluation indexes are not workable and their definitions are not very clear. A uniform and standard forest health evaluation index system should be developed, and the corresponding thresholds can vary with different regions, forest management objectives and forest types. This study provides a reference for the development of a forest health evaluation index system in China.