A Note on Status in Quo of Campus Plants in Universities in Ningbo

On the basis of thorough survey on campus plants in 4 universities in Ningbo areas,this paper analyzes the plants in terms of assortment,number,planting frequency,species richness,etc.The investigation results show that there are 207 types of plants identified in the universities,belonging to 90 families and 199 genera,among which 45 species of arbors accounting for 22%,45 species of bushes for 22%,13 species of Liana for 6%,and 104 species of herbs accounting for 50%.There are two types of plant per hectare on average and the richness index is 16.86.111 species are found in ornamental plants making up 54%;87 species of weed dominates in number and account for 79% of herbal and 40% of the total number of plants,including the Japan Hop,Canada Goldenrop and Goosegrass.All the weeds inflict serious undesired impacts on other plants and compromise the scene of campus landscape.It is found that,although the plant resources on campus seem plentiful as a whole,the greenery structure needs to be enhanced by greater diversities,and the visual effects still have much room for improvement.