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退化草地生态健康等级评价方法研究

Research on the evaluation method of degraded grassland ecological health grade

  • 摘要: 为客观评价退化草地的生态系统健康状况,科学规划退化草地生态修复治理。本文以吕梁山区台头中心林场退化草地为研究对象,打破原有的退化草地认定标准,创新采用区域生态系统健康等级评价体系的方法,在研究区域不同立地、不同植被类型条件下布设样方,采集不同生态环境下的土壤可蚀度,利用区域植被覆盖度、土壤可蚀度、坡度、坡位相关信息,计算出区域生态健康值,通过数据分析推理,得出结论与实际相符,验证了区域生态系统健康等级评价体系对退化草地区域生态健康判断的实用性。区域生态系统健康等级评价理念的引入,为区域退化草地的生态健康等级评价提供了依据,解决了退化草地修复中遇到的健康等级判定问题,为退化草地生态修复治理提供系统的、准确的、科学严谨的方案。

     

    Abstract: To objectively assess the ecological health status of degraded grasslands and scientifically plan their restoration strategies, this study focuses on degraded grasslands at the Taitou Central Forest Farm in Lüliang Mountain Region. By innovating the traditional degradation assessment criteria, we developed a regional ecosystem health evaluation framework. Field sampling was conducted across diverse topography and vegetation types to collect soil erodibility data under varying environmental conditions. Integrating vegetation coverage, soil erodibility, slope characteristics, and elevation information, we calculated regional ecological health indices. Data analysis revealed conclusions consistent with field observations, validating the practical effectiveness of this evaluation system for assessing degraded grassland ecosystems. The introduction of regional ecosystem health assessment concepts provides a scientific basis for evaluating degraded grassland health status, addresses critical challenges in health classification during restoration processes, and offers systematic, accurate, and rigorously scientific solutions for ecological rehabilitation.

     

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