To know the species composition, life form, seasonal features and application of woody landscape plants in Jinan City, woody landscape plants in the city were i
Urban green space has its important social, economic and ecological benefits. Quantifying of those benefits helps healthy development of urban green space. The
Decisive and correlative factors of tourism industry core competitiveness in ethnic villages were analyzed, and it was proposed that location, environment, faci
In this paper,different chemicals were added to sediments to control phosphorus release from river sediments by means of different dosing methods,thus reducing