Journal of Hebei University (Natural Science Edition) ›› 2017, Vol. 37 ›› Issue (4): 440-448.DOI: 10.3969/j.issn.1000-1565.2017.04.017白洋淀湿地种子植物资源调查分析

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Investigation and analysis of seed plants resources in Baiyangdian wetland

ZHENG Zhixin1, CHEN Xue2, LUO Xuejing1, ZHANG Fengjuan1   

  1. 1.College of Life Sciences, Hebei University, Baoding 071002, China; 2.Huihua College of Hebei Normal University, Shijiazhuang 050091, China
  • Received:2016-07-23 Online:2017-07-25 Published:2017-07-25

Abstract: In order to effectively protect and utilize the seed plant resources in Baiyangdian wetland,a comprehensive investigation of seed plant species was conducted in this everglade from 2013 to 2015.Plant species, distribution and diversity were investigated.The results showed that there are 371 species of seed plants belonging to 223 genera and 72 families, among which 369 angiosperm species belonged to 221 genera and 71 families, and 2 gymnosperm species belonged to 2 genera and 1 family.Along with the rapid development of social economy and increasing human activities, the biodiversity was facing more and more serious threats.Aquatic plant species and community biomass significantly decreased.There were only 39 species found and 9 species lost compared with the records in 1990s.There were also 23 exotic species accounting for 6.20% of the total seed plant species and 16 native wild species under special provincial protection in Hebei, among which one was Class-Ⅱ state-protected.Generally speaking, Baiyangdian mainly consisted of temperate, widespread and tropical areal-types, which was a typical representative of the flora in the northern area of China.

Key words: Baiyangdian wetland, seed plants, plant diversity, loristics

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