Investigation On Tree Species Of Garden Green Space In Saihan District Of Hohhot City

Landscape plays an vital important role in maintaining the ecological balance and beautifying the urban environment.Plants is the major of landscape,and the big trees is the major of the plants.However,the same tree species have different growth status in different habitats.The key to the establishment of landscaping system lies in the selection of tree species.We choose the park green space,residential green space,road green space and green space in the middle area of Saihanqu as samples,carries on the investigation to the landscape tree species in the tree.The selected tree were investigated and recorded by the species,planting aspects,using,ecological environment and growth conditions.The growth status mainly based on DBH,height,crown width,leaf dense degree and the degree of disease and pest harm.After the end of the investigation,combined with access to relevant information,to supplement the record card.After the end of the investigation,the data will be collected,sorted and analyzed:(1)There are 74 species of tree species in the garden and the greenbelt in Saihan District of Hohhot city.The ratio of gymnosperm and angiosperm species was 1:5.17.Among the various types of green space,the green tree species of the public facilities were the most,and the number of tree species in the road green space was the least.(2)The proportion of native tree species and exotic species in Saihan District of Hohhot was 1:1.32;The proportion of native tree species and wild domestication of Mount Daqing was 3.11:1;The proportion of wild and domesticated species in Mount Daqing is 1:4.11.Among all kinds of green space,the green tree species were the most abundant,and the tree species were the most.(3)There are 10 species of evergreen trees in Saihan District of Hohhot City,and there are 64 species of deciduous trees;The ratio of evergreen and deciduous tree species was 1:6.40.All kinds of green evergreen leaves are more reasonable than.(4)Hohhot Green Garden District of Saihan City ornamental tree species are widely used,the flower plants and foliage species more abundant,fruit,tree branches short view.(5)The same tree,in the same area,the outlet one grews better The compression was relatively poor,mainly in the relatively small crown,branches grow relatively sparse;I the wood under pressure,the growth is worse;because of the different lighting conditions in front of the house,leading to better growth in front of the house;There is a negative impact on growth when there is occlusion;If the degree of pollution is large,the tree growth is relatively poor.The native tree species and some species with good adaptability,no matter what kind of growth environment,the growth conditions are good some of the poor adaptability of the exotic species and the introduction of Mount Daqi;wild domesticated species growth is poor.