Based on ecology,ecosystem economics and theory of sustainable development,this paper discuss principles and theories foundation of city ecological regulation from three aspeets of epistemology,methodology and engeering techniques,and discusses how to select apraper city ecological plan and index system.lt also studies the ecological plan of Baotou city typically,and on the basis of city ecological control theory of integrated coordination,cyclicity,recycling and sustainable development,2004-2010 plan of Baotou city for ecological environmental protection is made. |