张掖市黑河流域湿地资源调查与分类

通过对典型的干旱半干旱区内陆河流域(张掖市黑河流域)湿地综合分类研究表明:①张掖市黑河流域湿地共有2个大类4个类型13个类别,总面积为210420.42hm2,占全市国土总面积的5.02%;②湿地类型和面积从大到小依次为:高山湿地、永久性河流、灌丛湿地、草本沼泽、泛洪平原、内陆盐沼、季节性河流、蓄水区、灌溉区、盐田、永久性淡水湖、池塘、季节性淡水湖;③在行政区域内,肃南县、高台县、临泽县、山丹县、民乐县、甘州区湿地面积分别占全市湿地面积的73.71%、8.29%、5.14%、4.87%、5.54%和2.44%。

Survey and Classification of Wetlands in Heihe River Basin

A comprehensive classification was conducted of typical wetlands in arid and semi-arid inland river basin （Heihe River Basin in Zhangye）,results showed that：1） There were 2 major categories,4 types and 13 categories of wetlands in Heihe River Basin in Zhangye,with a total area of 210 420.42 ha,accounting for 5.02% of the total land area of Zhangye municipality.2） The wetland types and sizes in descending order were：alpine wetlands,permanent rivers,shrub wetlands,marshes,flood plains,inland salt marsh,seasonal rivers,water district,irrigation district,salt pans,permanent freshwater lakes,ponds,seasonal freshwater lakes.3） Within the administrative region of the municipality,wetland areas of Sunan,Gaotai,Linze,Shandan,Minle counties and Ganzhou district respectively accounted for 73.71%,8.29%,5.14,4.87%,5.54% and 2.44% of the total area of wetlands of Zhangye Municipality.