| Abstract |
Aiming at the climate warming and drying trend in Tianjin 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. |