The essay carries a research on formation of lichen flora in Hanas natural conservation area, illustrates concisely the formation factors of lichen flora and character of geographical region component.

• 对哈纳斯自然保护区地衣区系的形成进行了研究，从地学的角度简明地阐述了地衣区系的形成条件、理区系成分特点。