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在淡水和沿海双鱼中减少微塑料的加工前干预措施的有效性:海鲜安全和污染减缓的见解

Bejawada Chanikya Naidu¹, K A Martin Xavier¹, Mugali Devendrappa Sahana²

¹ICAR-Central Institute of Fisheries Technology (CIFT), Kochi, 682029, Kerala, India; ICAR-Central Institute of Fisheries Education (CIFE), Mumbai, 400061, Maharashtra, India.

Marine pollution bulletin

|March 5, 2026

概括

热带双动物中的微塑料污染因净化和预处理而显著减少,但细微塑料仍然存在. 需要进一步的综合战略,以确保海产品的安全.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
食品安全食品安全

背景情况:

水生生态系统面临着越来越多的微塑料 (MP) 污染问题.
双动物是监测污染的关键哨兵,但对热带物种的数据有限.
收获后干预措施在热带双动物中去除MP的有效性尚不清楚.

研究的目的:

量化三种热带双物种的MP丰度,特征和去除效率.
评估净化,表面清洁和牙切除对MP减少的影响.
为了评估MPs在传统预处理方法后的持久性.

主要方法:

分析了来自印度水域的540个双标本 (Lamellidens marginalis,Meretrix casta,Perna viridis).
在未经处理和经过处理的样本中量化MPs (净化24-72h,表面清洁,部去除).
根据尺寸,形态型和聚合物类型 (PE,PP,PET) 进行特征MP.

主要成果:

最初的MP度从3.8到12.4个单位/g湿组织,以纤维和碎片为主.
在72小时后,清洗将MPs减少了50-60%;联合干预实现了高达69.4%的清除.
精细的MPs (<100μm) 和某些聚合物碎片在所有处理过程中都存在.
治疗显著影响了MP的丰度和概况 (p < 0.05).

结论:

传统的净化和解剖预处理可以大大减少,但不能消除热带双动物的MP污染.
罚款议员的坚持凸显了对综合减缓战略的需要.
标准化的监测框架对于确保热带系统的海产品安全至关重要.

关键词:

双类动物双类动物净化净化净化食品安全食品安全微塑料污染微塑料污染聚合物的聚合物.

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