葡萄牙三个主要河口的地表水中基线孕激素的表征
H Morais1, C Cruzeiro2, M A Pardal3
1CIIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal; Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.
Marine pollution bulletin
|August 13, 2023
概括
在葡萄牙的河口中检测到合成的孕激素,如多斯皮雷诺和德佐格斯特勒. 水平因地区而异,北方的德格斯特勒水平最高,南方的多斯皮雷农水平最高,影响水生生态系统.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 药品在环境中的作用
背景情况:
- 合成孕激素越来越多地用于人类和兽医.
- 这些化合物被认为是新兴的微污染物,对水生生态系统有潜在的风险.
- 关于合成孕激素度的全球环境数据存在重大差距.
研究的目的:
- 量化和描述葡萄牙消费最多的合成孕激素的环境水平.
- 评估关键孕激素在葡萄牙主要河口系统的空间和时间分布.
- 为葡萄牙提供合成孕激素的基线环境数据.
主要方法:
- 随着时间的推移,Ria de Aveiro,Tagus河口和Ria Formosa的样本采集.
- 对多斯皮雷诺 (DRO),德佐格斯特勒 (DSG),格斯托登 (GST) 和莱沃诺格斯特勒 (LNG) 度的分析.
- 对不同河口地区和季节的孕激素水平进行比较.
主要成果:
- 德罗斯皮伦和德佐格斯特勒被确定为最常见的孕激素.
- 德佐格斯特勒度在阿维罗河北部是最高的 (夏季为193.9 ng L-1).
- 德罗斯皮雷诺在南部河口占主导地位,在泰戈河口的度为178.9 ng L-1和Ria Formosa的度为125.7 ng L-1,特别是在夏季.
结论:
- 在葡萄牙的河口中观察到合成孕激素污染的显著空间变化.
- 水力动力学和人为因素 (人口,旅游) 可能会影响孕激素的分布.
- 这些发现强调需要持续监测合成孕激素,以评估和减轻环境风险.
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