气候变化放大了对亚洲鱼类消费者的神经毒性甲基威胁
Mengjie Wu1, Xinda Wu1, Alfonso Saiz-Lopez2
1State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China.
概括
气候变化将增加中国野生淡水鱼类中的甲基 (MeHg),增加健康风险和经济损失. 这凸显了亚洲地区的不平等,需要协调的气候和减少的战略.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 公共卫生 公共卫生
背景情况:
- 气候变化对食物网中的甲基 (MeHg) 积累产生影响,造成区域暴露风险不均.
- 神经毒性MeHg暴露对人类健康造成越来越大的关注,特别是在发展中国家.
研究的目的:
- 调查气候变化对中国境内鱼类MeHg积累的影响.
- 评估MeHg风险升高对亚洲地区不平等的影响.
- 识别淡水野生鱼类作为一个重要的,低估的MeHg来源.
主要方法:
- 利用13,000个鱼样数据集进行分析.
- 采用机器学习模型来分析气候--食品-健康联系.
- 根据不同的共享社会经济路径 (SSP) 预计的MeHg度.
主要成果:
- 淡水野生鱼类的MeHg度明显高 (2.96.2倍),高于养殖鱼类和 (1.7倍) 的海洋野生鱼类.
- 预计到2031年到2060年,气候因素的结合将使淡水野生鱼类的MeHg增加60%左右.
- 估计,中国新生儿智商下降的潜在年度经济损失为1800万美元.
结论:
- 气候变化加剧了中国的MeHg风险,有可能加剧亚洲地区的地区不平等.
- 除了气候行动之外,有针对性的减少排放的战略对于减轻风险和促进食品安全至关重要.
- 解决这些被忽视的风险对于可持续发展和减少健康差距至关重要.
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