铁岭市莲花湖湿地生物多样性评价研究

在对莲花湖湿地物种现状进行调查分析、监测及统计的基础上，建立湿地生物多样性评价指标体系与赋值标准，从物种丰富度、生态系统类型多样性、物种特有性、外来物种入侵度四个一级指标及十五个二级指标对莲花湖湿地生物多样性进行了评价。莲花湖湿地生物多样性总评分为67分，结果表明莲花湖湿地生物多样性处于优秀水平，应继续加强对莲花湖湿地生态环境的恢复和管理。研究结果将为相关管理部门提供决策依据，为莲花湖湿地生物多样性的保护和管理打下基础。

Biodiversity Evaluation on Lianhua Lake Wetland in Tieling

On the basis of diagnoses, monitoring and statistics, this study established an index system and value - determina- tion standards to evaluate the biodiversity in Lianhua Lake wetland. The biodiversity were evaluated from four first - class indexes of species richness, ecological system type diversity, species specialty and alien species invasion degree, as well as also fifteen second - class indexes. Total evaluation value of Lianhua Lake wetland was 67. Results showed that the biodiversity of the re- search area was at excellent level and continuous management and restoration should be conducted. The research results will pro- vide the reference for the policy makers and supervising department to formulate relevant policies and strengthen the management.