The dynamic study on Tianjin sustainable development based on the ecological footprint theory

Ecological footprint analytical methods used in Tianjin in 1989,the ecological footprint of the calculation and analysis,calculations show that the ecological footprint :Tianjin per capita in 1989 1.64 hm2 up to 2008 1.65 hm2;the per capita GNP by the ecological bearing capacity 0.27 hm2 has risen to 0.32 hm2;per capita ecological deficit by 1.36 hm2 to 1.32 hm2.AlthoughTianjin population on the use of natural resources,has declined,the ecological footprint and ecology bearing capacity the contradiction between had----somewhat,ecological footprint is still beyond the natural system of the ecological bearing capacity,the existing mode of development is unsustainable and ecological environment is less safe condition.