The river courses in the lower Heihe river are all natural ones with irregular cross sections and great seepage, belonging to broad-shallow type of sandy riverbed.
黑河下游河道都是天然河道，断面不规则，属宽浅型沙质河床，河道渗漏量大。
Tamarix community is an important vegetation type distributing on flood land and sandy land in Ejin oasis at the lower reaches of Heihe River.
柽柳群落是黑河下游额济纳绿洲重要的荒漠河岸林，有河滩和沙地两个亚群系。
Spatial feature of soil salinity in groundwater fluctuant region of the lower reaches of the Heihe River;
对黑河下游不同类型沙漠化土地土壤的盐分进行了调查和分析。
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