ESTABLISHING A STANDARD SONORAN REFERENCE PLANT AND ITS APPLICATION IN MONITORING INDUSTRIAL AND URBAN POLLUTION THROUGHOUT THE SONORAN DESERT

被引：3

作者：

GABRIEL, IE

PATTEN, DT

机构：

[1] Center for Environmental Studies, Arizona State University, Tempe, 85287, AZ

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 1995年 / 36卷 / 01期

关键词：

D O I：

10.1007/BF00546983

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Using analyses from honey mesquite (Prosopis glandulosa) leaves from nearly pristine locations in Arizona, an inorganic plant concentration standard is proposed for use as a 'Sonoran Reference Plant' (SRP). Such a standard can be used as a monitoring device for different anthropogenic pollution sources throughout the Sonoran Desert. To test the application of the SRP, honey mesquite leaves were collected at different sites in southern Arizona and their 'chemical fingerprints' compared to SRP. Sources of element origin were identified through factor analysis and correlation matrices. A terrestrial factor was found in leaves from all sites. Anthropogenic factors varied for different sites. Mesquite leaves accumulated significant amounts of elements originating from copper smelters (As, Sb) and urban pollution (La, Sm, Ce, V). These pollutants are small-sized and have been linked to human lung diseases. Mesquite is a deciduous tree; the yearly comparison of mesquite leaf element concentration spectra to the SRP standard can be used to determine seasonal improvement or deterioration of environmental quality in a particular area.

引用

页码：27 / 43

页数：17

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