Influence on Karst Wetland Caused by Guiyang Highway

Highroads are the main infrastructure of national economy.In order to keep the society economy continuous development,it is necessary to build more highways and increase the density of road meshwork.Wetlands possess many unique functions,such as regional climate regulation,water resource protection,water quality purification,flood and drought control,biolldiversity maintenance,and to protect wetland resource has become more and more imperative and important.Taking the highway construction of Guilin to Yangshuo as an example,the situation of Guiyang Highway is introduced that is still being built and Huixian Karst Wetland,and analyzed the influence on wetland environment caused by highway construction with the help of remote sensing.Some related control measures are put forward to improve the protection of wetland resources.