黑龙江黑瞎子岛国家级自然保护区药用维管植物多样性调查与区系分析OA

Objective:To investigate the resources and floristic characteristics of medicinal vascular plants in the Heilongjiang Heixiazi Island National Nature Reserve,and provide a basis for the conservation and sustainable utilization of these resources.Methods:Comprehensive field surveys were conducted in combination with literature review and specimen identification to investigate the diversity of medicinal vascular plants within the reserve.The species composition,medicinal parts,and floristic characteristics of these plants were analyzed.Results:A total of 490 medicinal vascular plant species were identified,belonging to 252 genera in 87 families.Dominant families included Asteraceae and Poaceae.Monotypic families were abundant,indicating pronounced dominance of certain families.Whole herbs constituted the majority of medicinal parts.The floristic composition was complex and exhibited extensive connections,with a clear temperate affinity.Conclusion:The Heilongjiang Heixiazi Island National Nature Reserve is rich in medicinal vascular plant resources.Enhanced conservation efforts for rare and endangered medicinal vascular plants are required,and diverse approaches to resource utilization should be explored.