VARIATION IN INORGANIC NUTRIENT CONTENTS OF AN AQUATIC PLANT CULTURED UNDER HEAVY-METAL STRESS AND ITS APPLICATION TO MONITORING OF WATER-QUALITY

被引：0

作者：

ITO, K ^{[1
]}

MATSUO, M ^{[1
]}

KOBAYASHI, T ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT ENVIRONM CHEM & ENGN,MIDORI KU,YOKOHAMA,KANAGAWA 227,JAPAN

来源：

BUNSEKI KAGAKU | 1994年 / 43卷 / 11期

关键词：

AQUATIC PLANT; INORGANIC NUTRIENT ELEMENTS; HEAVY METALS; HEALTH CONDITION OF THE PLANT; MONITORING OF THE WATER QUALITY;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Inorganic nutrient elements in an aquatic plant (Elodea densa) have been determined as a function of Cu and Cd concentrations in the culture medium. The added Cu and Cd influenced in different ways the Na, K, Ca, Fe and Zn contents measured by atomic absorption spectrophotometry as well as P and CI contents determined by fluorescent Xray analysis: The concentrations of Na, P, Cl, K and Zn decreased, while those of Ca and Fe increased, with an increase in the Cu concentration. Elevated Cd concentrations caused a decrease in Mn and an increase in Fe. These observations suggest that distribution of inorganic nutrients and the heavy metal contents of the plant could supply information not only on the health condition of the plant but on factors in the water environment adverse for the plant. Concentration patterns of inorganic nutrient elements for aquatic plants collected from metropolitan rivers have enabled us to estimate the water quality in terms of the plant composition.

引用

页码：985 / 990

页数：6