Floral Characteristics Analysis of Plants in Tianjin Lingang Urban Ecological Wetland Park

摘要

This study aims to identify the composition and distribution characteristics of plant flora of Urban Ecological Wetland Park in Tianjin Lingang. Results show that plant species of Wetland Park in Tianjin Lingang are relatively rich. There are 246 vascular plants from 171 genera and 73 families. 16 families,37 genera gymnosperm species including 2 families and 5 genera Pinopsida and 1 families, 1 genera Ginkgopsida, recorded a total of 134 genera of dicotyledonous plants belonging to 57 families and 31 genera of monocotyledonous plants belonging to 13 families. The major families are Gramineae, Rosaceae and Asteraceae and the major genera is Chenopodium and Salix. From the point of Genera composition, small generas and monotypic generas account for higher proportion. 77 species of wild plants are mainly come from herbaceous plants, and the arbor layer is mainly composed of cultivated species. The flora of Wetland's vegetation in Lingang Ecological Wetlands Park had a wide distribution including 15 geographical components with 9 sub-types, 34.16% of the species are of the North temperate type, generally with a typical temperate floristic characteristics.