Ecological Service Function Evaluation of Urban Greening Shrubs in Guanzhong Region, Shaanxi Province
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S731.2,P901

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    Abstract:

    [Objective] The landscapes and ecological service functions were comprehensively evaluated in order to provide scientific guidance for the selection of urban greening shrub species.[Methods] Several indexes including landscape service functions (such as greenness quantity, leaf greening period, aesthetic degree) and ecological service functions (such as water conservation, dust retention, oxygen generation while carbon fixation, cooling while humidifying, noise reduction) were investigated and measured, and a comprehensive evaluation model was built by using principal component analysis (PCA) to evaluate 26 common urban greening shrub species in the Guanzhong region of Shaanxi Province.[Results] ① According to the ranking results of the comprehensive evaluation of landscape service functions, Ligustrum quihoui, Viburnum odoratissinum, Photinia fraseri, Chaenomeles speciosa, Buxus megistophylla, Pittosporum tobira, and Buxus bodinieri received the highest grades of comprehensive evaluation (0.63-1.96) and proved to be the preferred shrub species in landscape beautification. ② According to the ranking results of the comprehensive evaluation of ecological service functions, L. quihoui, V. odoratissinum, C. speciosa, P. fraseri, P. tobira and Pyracantha fortuneana received the highest grades of evaluation (0.70-3.04) and performed outstanding in ecological improvement. ③ According to the comprehensive evaluation of landscape services combined with ecological services, the shrubs that received higher grades were L. quihoui (3.54), V. odoratissinum (2.86), C. speciosa (2.05), P. fraseri (1.72), and P. tobira (1.38).[Conclusion] Shrub species with higher grades should be selected preferentially according to different needs, thous can provide a basis for the selection and cultivation of greening shrub species in urban ecological gardens.

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韩文跃,盖帅孜,刘增文,徐瑞,王崧洧,张禹.陕西省关中地区城市绿化灌木的景观与生态服务功能调查分析[J].水土保持通报英文版,2023,43(3):61-68

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History
  • Received:July 08,2022
  • Revised:October 02,2022
  • Online: August 16,2023