Potential of artificial lichen used as rainwater catching materials in arid and semiar id regions
干旱半干旱地区人工地衣集雨面营建潜力探析

The biological and ecological characteristics,formation and functions of lichen soil crust and its effects on the process of soil hydrology are analyzed,and the feasibility of artificial lichen used as rainwater catching mater ials in arid and semi-arid areas is discussed.It is concluded that artificial l ichen can be used as a green environment protecting materials to construct the rainwater catching site in arid and semi-arid areas.