相关实验视频

Updated: Jul 14, 2026

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

基于物种敏感性分布模型,对甲对地表水构成的生态风险的评估

Yingbo Duan¹, Yingkun Cao¹, Hansen Li²

¹Ocean college of Hebei Agricultural University, Qinhuangdao, Hebei Province 066003, PR China; Hebei Key Laboratory of Nutrition Regulation and Disease Control for Aquaculture, Qinhuangdao, Hebei Province 066003, PR China.

Comparative biochemistry and physiology. Toxicology & pharmacology : CBP

|August 3, 2025

概括

杀虫剂Cypermethrin对淡水生物构成高生态风险,甲类是最敏感的. 这种广泛的杀虫剂也可能威胁到全球水生生态系统和人类健康.

科学领域:

环境毒理学环境毒理学
生态毒理学生态毒理学
农药风险评估农药风险评估

背景情况:

甲是一种II型甲类杀虫剂,经常在水生环境中发现.
甲对全球地表水的生态风险尚未得到充分证实.
了解甲的毒性对于水生生态系统的健康至关重要.

研究的目的:

评估水生环境中甲的生态风险.
通过使用毒性数据来确定各种水生生物对甲的敏感性.
为了确定对淡水生态系统的危险度.

主要方法:

使用的物种灵敏度分布 (SSD) 方法.
基于因素的员工评估方法.
包括各种水生生物的急性和慢性毒性数据.

主要成果:

甲类动物对甲的敏感性最高,而藻类对甲的敏感性最低.
影响5%物种 (HC5) 的急性危险度为9.2 × 10-5 mg/L.
对于淡水环境的慢性HC5被确定为3.5×10-5毫克/升,表明高毒性.

结论:

甲对淡水生物有高度的毒性,与全球评估一致.
有限的海洋毒性数据存在,但在特定地区 (如墨西哥西纳罗亚州) 存在风险.
甲对全球水生生物构成重大生态风险,并可能引起人类健康问题的关注.

关键词:

甲 (Cypermethrin) 是一种甲 (Cypermethrin) 的一种.生态风险评估生态风险评估风险系数风险系数风险系数一种物种的敏感度分布.

更多相关视频

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox

Published on: August 28, 2019

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Published on: February 10, 2023

相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Environmental Applications of Microorganisms

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...