河西走廊：候鸟迁徙路线上的“生态驿站”

Core Viewpoint - The Hexi Corridor serves as a crucial ecological stopover for migratory birds along the Central Asia and East Asia-Australia routes, providing a rich habitat and food resources for these birds during their migration [1] Geographic and Ecological Summary - The Hexi Corridor is located in the northwest of Gansu Province, stretching approximately 1,000 kilometers in length and reaching a maximum width of nearly 200 kilometers, with its narrowest point being just a few kilometers [1] - The region benefits from the melting snow from the Qilian Mountains, which nourishes the formation of numerous oases within the corridor [1] - The area is characterized by a diverse array of rivers, lakes, wetlands, and artificial ponds, creating an ideal environment for migratory birds [1]