Introduction to the National Nature Reserve: The Haba Lake National Nature Reserve belongs to the desert-wetland ecosystem type and is the largest nature reserve in the Ningxia Hui Autonomous Region. A total of 149 species of terrestrial wild animals (including subspecies) and 507 species of various plants are known in the reserve. It is a rare, representative natural complex and relatively complete natural ecosystem in arid and desert areas. It has important teaching and scientific research value.