Biodiversity Research of Woody Plant on Haidian Park in Beijing
[Objective] The aim was to clear biodiversity of woody plant on Haidian Park in Beijing.[Method] The survey of woody plant in Haidian Park in Beijing had been carried and 120 samples were measured by random quadrat analysis for the number of species,specifications and so on.[Result] It had a total of 21 families,34 genera and 42 species of woody plant,a total of 1 097 strains in Haidian Park.The age of woody plants showed a type of pyramid basically and the woody plants communities were in the development of prometaphase stage.The scale between evergreen plants and deciduous plants was as followed:evergreen∶deciduous =1∶6 in type;and evergreen∶deciduous=1∶3 in number.The degree of repetitiveness of them was high.The importance value difference of trees was relatively largest showed that tree layer species dominance relative shrubs.In terms of species diversity index,trees were overall better than shrubs.Mainly it manifested in two aspects of tree species and number of advantages,but in aspect of the distribution uniformity of trees and shrubs it was similar.[Conclusion] This research provides the practical experience and theoretical basis for other relative research of urban plant diversity.