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杭州西溪和绍兴镜湖国家湿地公园内的维管植物多样性

Comparison of Vascular Plant Species Diversities between Hangzhou Xixi and Shaoxing Jinghu National Wetland Park,East China

  • 摘要: 调查显示,杭州西溪湿地共有维管植物511种,其中蕨类和裸子植物各11种、被子植物489种,隶属于111科352属;绍兴镜湖湿地维管植物384种,其中蕨类12种、裸子植物11种、被子植物361种,隶属于101科285属。两地物种较为丰富。区系成分、生态类型和生长型比较以及β多样性分析均显示,两地有较高的物种相似度,这与两地同处于亚热带东部地区以及相似的人类影响有关。西溪和镜湖的湿地植物分别为280种(54.8%)和200种(52.1%),占据总物种数量的比例较低,是一定程度退化湿地的表现。建议在今后的修复和建设中,多培育湿地环境和湿地植物;同时需保留一定的管理强度,使多样化的生境、丰富有益的动植物物种得以维持,两湿地的生态和社会服务功能得到更好的体现。

     

    Abstract: Hangzhou Xixi and Shaoxing Jinghu National Wetland Park are both located in the north of Zhejiang Province,East China.Floral,ecological-form and growth-form comparisons and β diversity index were applied to analysis the similarity of species composition of the two regions.The results showed that:there were 511 vascular plant species in Xixi,among them,11 were ferns;11 were gymnosperms;489 were angiosperms,belonging to 111 families and 352 genera.There were 384 vascular plant species in Jinghu,among them,12 were ferns;11 were gymnosperms;361 were angiosperms,belonging to 101 families and 285 genera.The two regions were abundant in species.The two regions had a high similarity in species composition owing to the similar natural and human effects.There was much less typical wetland plants(about half of the total species) in both regions compared with the entire wetlands in Zhejiang.This result showed that the two wetlands were degraded.So,it is suggested that much more wetland habitats and wetland plants should be restored or planted;meanwhile,some degrees of human managements should be remained for the maintaining of multiple habitats,biodiversities and enhancing the ecological services of Xixi and Jinghu wetland.

     

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