NEW METHOD FOR DETERMINING EFFLUENT TOXICITY USING DUCKWEED (LEMNA, MINOR)

被引：39

作者：

TARALDSEN, JE ^{[1
]}

NORBERGKING, TJ ^{[1
]}

机构：

[1] US EPA, ENVIRONM RES LAB, DULUTH, MN 55804 USA

来源：

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 1990年 / 9卷 / 06期

关键词：

Chlorophyll; Duckweed; Frond production; Lemna minor; Toxicity test;

D O I：

10.1002/etc.5620090610

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Duckweed (Lemna minor), a small vascular plant, grows rapidly, is sensitive to a wide variety of toxicants and is easy to culture. A method is described that measures duckweed frond growth and chlorophyll levels as indicators of growth inhibition. The method requires a small testing volume (15 ml) of reconstituted test medium that is prepared by using commercial grade soil to promote frond and chlorophyll production. A variety of single toxicants, industrial effluents and wastewater treatment plant effluents were tested. For most chemicals, the duckweed was as sensitive as other frequently used test species. The comparative toxicities to Ceriodaphnia dubia and fathead minnows (Pimephales promelas) with various effluents indicates that, for some industrial effluents, duckweed was the most sensitive indicator used. Copyright © 1990 SETAC

引用

页码：761 / 767

页数：7

共 36 条

[1] FATHEAD MINNOWS (PIMEPHALES-PROMELAS) AND GOLDFISH (CARASSIUS-AURATUS) AS STANDARD FISH IN BIOASSAYS AND THEIR REACTION TO POTENTIAL REFERENCE TOXICANTS [J].