Investigation And Comprehensive Evaluation Of Urban Greening Plants In Arhorchin

Greening plants play an important role in the construction of green environment in cities and towns,as well as in reflecting different characteristics and features of cities and towns.Comprehensive evaluation of urban greening plants can provide basic information and suggestions for the establishment of new urban green environment and the selection of greening plants.The Methods of literature research,field investigation,plant resource evaluation（AHP）,knowledge,attitude and practice（KAP）survey of urban residents and questionnaire survey were used in this paper.In order to provide first-hand information for local urban landscape construction,the species composition and distribution pattern of urban greening plants,the knowledge,attitude,behavior and satisfaction of urban residents to urban greening plants,and the value evaluation of urban landscape plant resources in Arhorchin Banner were investigated and studied.It puts forward reasonable suggestions for local urban greening and provides basic information on landscape greening plants for local rural revitalization and construction of beautiful countryside.The results are as follows:（1）There are 107 species,1 subspecies,7 varieties,2 forms,3cultivars and 3 cultivated hybrids,which belong to 93 genera and 52 families.There are 8 species and 1 variety of gymnosperms belonging to 4 families and7 genera,and 99 species,1 subspecies,6 varieties,2 forms,3 cultivars and 3cultivated hybrids of angiosperms belonging to 48 families and 86 genera.There are 94 species,1 subspecies,5 varieties,2 forms,3 cultivars and 3cultivated hybrids of dicotyledonous angiosperms belonging to 80 genera and44 families,and 5 species,1 variety of monocotyledonous angiosperms belonging to 6 genera and 4 families.（2）In the family composition,Rosaceae is the most,with 25 species（including subspecies classification,the same below）,followed by Compositae（10 species）,Salicaceae（8 species）and Leguminosae（7 species）;in the genus composition,Malus and Populus are dominant,with 11 species,accounting for 8.95% of the total species.（3）The plant life form is dominated by arbors,with 48 species,accounting for 39.02% of the total species.There are 45 species of herbaceous plants,27 species of shrubs and 3 species of woody vines.（4）The ornamental types can be divided into evergreen ornamental plants（8 species）,foliage plants（45 species）,morphological plants（18species）,flowering plants（90 species）and fruit plants（48 species）.（5）There are 21 species of native plants,belonging to 14 families and 20 genera.The life form is mainly arbor.（6）According to the urban greening plant species in each survey area,there are 9 areas with more than 40 species and 30 species of urban greening plant species,27 areas with more than 20 species,28 areas with 10 species or more,and 54 areas with 10 species or less.（7）According to the frequency of plant species,there were 2 species with frequency of 60 ≥ f > 50,namely Syringa oblata and Picea meyeri,4species with frequency of 50 ≥ f > 40 and 40 ≥ f > 30,namely Ulmus pumila,Prunus triloba,Rosa rugosa and Acer palmatum,and 21 species with30 ≥ f > 20;There were 19 plant species with 20 ≥ f > 10 and 76 plant species with 10 ≥ f > 0.（8）In the part of KAP survey,most urban residents know the importance of urban greening,but they are not very clear about why they choose this species as greening plants,and they know little about trees,shrubs and herbs.Urban residents in this area have a good awareness of greening and environmental protection.Due to the lack of publicity activities on greening,the vast majority of urban residents will not take the initiative to pay attention to the knowledge and problems of urban greening;in the satisfaction survey,the local urban residents are highly satisfied with the local greening.（9）Based On Analytic Hierarchy Process（AHP）,the constraint layer was established with ornamental value,biological characteristics and greening potential as the constraint layer,and 11 scoring criteria were formulated.There are 25 species of plants in Grade IV.To sum up,as an underdeveloped county in northern China,the study area is relatively rich in urban greening plant species,and there are many wild plant species with development and utilization value.There is a gap between the new urban area and the old urban area of Tianshan Town,where the Banner Government is located,in terms of urban greening plant species and landscape benefits.Relevant local departments can properly carry out tree planting activities and green protection activities,which can increase local residents’ knowledge of urban greening and green protection.