潼关县某金矿周边植物调查研究

Research on the Plant Diversity Around the Gold Mine Drainage at Tongguan County

以潼关县某金矿生产区废水沟周围植物为研究对象,对其进行抽样调查、标本采集和鉴定,研究植物组成及构成特点,为金矿区及周边土壤重金属污染的植物修复研究提供依据。结果表明:污水道沿途共有植物种类55种,隶属于21科48属,菊科和禾本科占所有科总种数的45.4%。其中禾本科植物分属13属,共14种,为最多。其次为菊科,分属10属,共13种。各样方植物组成偏少,差异不大。

With the plant around wastewater ditch at Tongguan county as the research object, and the sampling survey, specimen collection and appraisal were carried on,and the structure characteristics of plants were studied,to provide the basis for establishing plant repair system. The results showed that there existed 55 plant species along the ditch,and they belonged to 21 families 48 generas,of which 45. 4 percent were compositae and Poaceae. Among them,the Poaceae was 13 generas and 14 species,which was highest. The compositae belonged to 10 generas and 13 species. Every party of plants were too few,and the difference was not obvious.