Abstract:

The ecological construction of the Alxa Desert is of significance to the ecological security of China's Three-North Region. The area surrounding the Yabulai Mountains serves as a critical section for controlling the wind-sand convergence where two major deserts meet of Badain Jaran Desert and Tengger Desert. The establishment of windbreak and sand-fixation forest and grass belts， as well as the stable maintenance of their ecological functions， are vital for ensuring the smooth operation of regional transportation arteries and the safety of human settlements within oasis environments. Based on an assessment of current sand hazards and sand control systems in the region， this paper classifies the area into three types： engineering-biological sand control zones in strong wind-sand corridors， near-natural restoration zones along the desert edges on both sides of the Yabulai Mountains， and engineering-biological sand control zones at the edges of industrial-mining towns and oases. It also proposes corresponding windbreak and sand-fixation forest-grass belt construction technologies and comprehensive management plans for each zone， aiming to provide decision-making support for regional ecological construction.

Key words: sand control, construction of windbreak and sand-fixation forest-grass belts, technology integration plan