So, it can be concluded that sand drift activity and aeolianlandform forming are mainly taking place in warm dry period.
可见，区内风沙活动及风成景观的塑造过程，主要是在暖干期进行的。
2
Nabkha dune is a kind of typical aeolianlandform. The wind power, sand source and plant are the mainly influencing factors of the development of nabkha.
灌丛沙堆是一种重要的风积地貌类型，风力、沙源、植物是影响灌丛沙堆发育的主要因素。
3
The main cause of desertification is overgrazing and its leading indicator is the form of aeolianlandform, by which the grade of desertification is determined.