Reproduction Sensitivity of Five Daphnia Species to Nickel

Q3 Environmental Science

Journal of Water and Environment Technology Pub Date : 2020-01-01 DOI:10.2965/jwet.20-083

H. Mano, N. Shinohara, W. Naito

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引用次数: 1

Abstract

In Japan, data on the reproduction sensitivity of Daphnia magna , which is a widely used organism in laboratory toxicity tests, to nickel are key to determination of water quality target values for nickel, which are used to set values for the environmental quality standards for conservation of the living environment. However, the use of data on the sensitivity of more than one species, including native species, will provide more relevant values. In this study, sensitivity of reproduction to nickel was investigated for five Daphnia species, D. magna , D. similis , D. pulex , D. galeata and D. ambigua , four of which are native to Japan. The no observed effect concentration and the 10% effect concen tration (EC 10 ) values of dissolved nickel for reproduction were below the lowest test concentration and 7.9 µg/L for D. magna , 4.6 and 11.2 µg/L for D. similis , 26 and 25.8 µg/L for D. pulex , 23 and 41.0 µg/L for D. galeata , and 62 and 63.8 µg/L for D. ambigua , respectively. Our results indicate that use of ecotoxicity data for native, ecologically relevant Daphnia species can strongly influence the determination of the water quality target values for nickel.

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五种水蚤对镍的生殖敏感性

大水蚤是实验室毒性试验中广泛使用的一种生物，在日本，大水蚤对镍的繁殖敏感性数据是确定镍的水质目标值的关键，这些目标值用于为保护生活环境制定环境质量标准值。但是，使用一个以上物种(包括本地物种)的敏感性数据将提供更相关的值。本文研究了5种日本原产水蚤D. magna、D. similis、D. pulex、D. galeata和D. ambigua对镍的生殖敏感性。繁殖用溶解镍的无效应浓度和10%效应浓度(EC 10)值分别低于最低试验浓度:马格纳金蝇为7.9µg/L，相似金蝇为4.6和11.2µg/L，普勒金蝇为26和25.8µg/L, galeata金蝇为23和41.0µg/L，双角金蝇为62和63.8µg/L。我们的研究结果表明，使用原生生态相关水蚤物种的生态毒性数据可以强烈影响镍的水质目标值的确定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Water and Environment Technology Environmental Science-Water Science and Technology

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

43 weeks

期刊介绍： The Journal of Water and Environment Technology is an Open Access, fully peer-reviewed international journal for all aspects of the science, technology and management of water and the environment. The journal’s articles are clearly placed in a broader context to be relevant and interesting to our global audience of researchers, engineers, water technologists, and policy makers. JWET is the official journal of the Japan Society on Water Environment (JSWE) published in English, and welcomes submissions that take basic, applied or modeling approaches to the interesting issues facing the field. Topics can include, but are not limited to: water environment, soil and groundwater, drinking water, biological treatment, physicochemical treatment, sludge and solid waste, toxicity, public health and risk assessment, test and analytical methods, environmental education and other issues. JWET also welcomes seminal studies that help lay the foundations for future research in the field. JWET is committed to an ethical, fair and rapid peer-review process. It is published six times per year. It has two article types: Original Articles and Review Articles.