长江流域江苏段糖皮质激素的污染特征与生态风险评估

IF 6.1 2区 环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL
Lichao Tan, Keke Xu, Shengxin Zhang, Fukai Tang, Mingzhu Zhang, Feng Ge, Kegui Zhang
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引用次数: 0

摘要

糖皮质激素是使用最广泛的类固醇激素之一,是典型的内分泌干扰物。近年来,糖皮质激素在河流、湖泊等地表水中被广泛检测到,但针对其生态风险评估的研究相对较少。本研究对长江流域江苏段 7 种糖皮质激素的污染特征进行了研究,并采用风险商数法进行了生态风险评估。结果表明,在 8 个采样点中,有 7 种糖皮质激素的检出水平不同。在这些糖皮质激素中,泼尼松在雨季的最高值为 238.27 ng/L,污染水平明显高于其他地区的报告值。生态风险评估结果显示,泼尼松、泼尼松龙、地塞米松和醋酸氢化可的松在所研究的水环境中的风险商值均大于 1,具有较高的生态风险。该研究为深入研究长江流域江苏段水体中糖皮质激素的污染特征和生态风险提供了科学依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Pollution characteristics and ecological risk assessment of glucocorticoids in the Jiangsu section of the Yangtze River Basin

Pollution characteristics and ecological risk assessment of glucocorticoids in the Jiangsu section of the Yangtze River Basin

Glucocorticoids, which are one of the most extensively used steroid hormones, are typical endocrine disruptors. In recent years, glucocorticoids have been widely detected in surface waters such as rivers and lakes, but there are relatively few studies focusing on their ecological risk assessment. In this study, the pollution characteristics of seven glucocorticoids were studied in the Jiangsu section of the Yangtze River Basin, and ecological risk assessments were performed using the risk quotient method. The results showed that seven glucocorticoids were detected at different levels at eight sampling sites. Among these glucocorticoids, prednisone had the highest value of 238.27 ng/L in the wet season, with pollution levels significantly higher than those reported in other areas. The ecological risk evaluation showed that prednisone, prednisolone, dexamethasone, and hydrocortisone acetate all had risk quotient values greater than 1 in the studied water environment, posing a high ecological risk. This study provides a scientific foundation for the in-depth study of the pollution characteristics and ecological risk of glucocorticoids in water bodies in the Jiangsu section of the Yangtze River Basin.

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来源期刊
Frontiers of Environmental Science & Engineering
Frontiers of Environmental Science & Engineering ENGINEERING, ENVIRONMENTAL-ENVIRONMENTAL SCIENCES
CiteScore
10.90
自引率
12.50%
发文量
988
审稿时长
6.1 months
期刊介绍: Frontiers of Environmental Science & Engineering (FESE) is an international journal for researchers interested in a wide range of environmental disciplines. The journal''s aim is to advance and disseminate knowledge in all main branches of environmental science & engineering. The journal emphasizes papers in developing fields, as well as papers showing the interaction between environmental disciplines and other disciplines. FESE is a bi-monthly journal. Its peer-reviewed contents consist of a broad blend of reviews, research papers, policy analyses, short communications, and opinions. Nonscheduled “special issue” and "hot topic", including a review article followed by a couple of related research articles, are organized to publish novel contributions and breaking results on all aspects of environmental field.
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