So, its sustainable land use is a primary factor of sustainable development of Tianjin.Tianjin new coastal area locates on the estuarial area and seashore where ecological environment is vulnerable.

• 作为天津经济发展的龙头，其土地可持续利用不仅对滨海新区乃至整个天津市的可持续发展都具有至关重要的作用。