Floristic Composition and Structural Analysis of Seed Plants in Mulan Songhuajiang National Wetland Park
In Heilongjiang Mulan Songhuajiang national wetland park,the seed plants were investigated in field using the sample line method and quadrat method from May to September 2017,July to August 2018,and June to October 2023,to reveal the composition characteristics of seed plants and analysis the species flo-ristics.The results showed that a total of 53 families,155 genera,and 217 species(including 2 subspecies and 6 varieties)of seed plants were occurred in the wetland park.The dominant families included Asteraceae(18 genera and 37 species),Poaceae(21 genera and 24 species),and Polygonaceae(4 genera and 17 species).The dominant genera included Persicaria(9 species),Carex(7 species),Artemisia and Potentilla(both 5 species).The vegetation type of the wetland park was composed of deciduous broad-leaved forests,deciduous broad-leaved shrub,meadow,herbaceous marsh,and aquatic vegetation.The main formations included Form.Salix sungkianica,Form.Carex schmidtii,and Form.Potamogeton distinctus,etc.At the species level,the flora ex-hibited a typical temperate distribution type,along with some tropical and subfrigid-frigid types,and had a low degree of endemism.
seed plantwetland parkfloraplant resourceMulan Songhuajiang National Wetland Park