Multi-angle to solve the problem of urban environment greening - Several suggestions of urban greening based on Tianjin as example

摘要

Aiming at the climate warming and drying trend inTianjin and saline-alkali soil, species single, lack of multi-level green landscape, big difference between the city proper and suburbs greening, Lower ecological effects etc., problems, from climate and soil, tree species selection, city proper and suburban difference, circular economy technology etc. several main factors of affecting city environment greening, and put forward the control saline-alkali soil improvement and water salt dynamic regulate and control; suit one's measures to local conditions, selection of salt-tolerant plants, increase of evergreen, the introduction of new species, selection drought tolerant and extensive management ground cover plants, increase the vertical greening, adjust existing forest community structure, increase the illumination, strengthen the city forest construction, the central city and the four suburbs and the five counties overall greening pattern, waste (solid waste and water) Closed-loop use, pollutants resource and the ecological environment virtuous cycle etc. measures. The quality urban greening have huge role in the improvement of urban ecological environment, but the level of urban greening is influenced by many factors, from multiple angles objective and comprehensive analysis of influencing factors of urban greening, completely solve the problem of the existence of bottlenecks in the greening of the urban environment, effectively improve the overall level of environmental green landscape of great significance.