%0 Journal Article
%T Development of land desertification in Bashang area in the past 20 years<br>
%A CHEN Zhi-qing
%A ZHU Zhen-da
%A <br>
%J 地理学报
%D 2001
%I 
%X Natural conditions in Bashang area are characterized by zonal transitions which are liable to be impacted by natural disasters and intensified human activities. The extremely fragile eco-environment is also liable to have desertification formed and developed. In the 18 years from 1978 to 1996, the desertified land area of Bashang within the scope of the map nearly doubled, a total increase of 2199.11 km2, averaging an increase of 122.17 km2 per year. Moreover, the seriously desertified area increases rapidly. Land desertification in Bashang is the combined result of natural factors and irrational human economic activities. Cultivated land expansion, population growth, and overgrazing aggrevate desertification development.
%K Bashang area
%K desertification
%K impact of human activities<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=869B153A4C6B5B85&jid=F7B5B947C24B9D649491012214E4BEF4&aid=B485A33F6DA695FE57672354B6EA00DE&yid=14E7EF987E4155E6&vid=708DD6B15D2464E8&iid=E158A972A605785F&sid=DDEED1BDDBFAA8A7&eid=B40AD8FE6FA88DE9&journal_id=0375-5444&journal_name=地理学报&referenced_num=0&reference_num=0