Relations between microplastic contamination and stress biomarkers under two seasonal conditions in wild carps, mullets and flounders

IF 3 3区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Marine environmental research Pub Date : 2025-02-01 DOI:10.1016/j.marenvres.2024.106925

Alexandra Martins , L. Gabriel Barboza , Luis R. Vieira , Maria João Botelho , Carlos Vale , Lúcia Guilhermino

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引用次数: 0

Abstract

Potential effects of microplastics (MP, plastic particles <5 mm) on the levels of multiple stress biomarkers were investigated in wild fish populations of Cyprinus carpio, Mugil cephalus, Platichthys flesus captured in the Minho River estuary located in the Iberian Peninsula. Specimens were collected in March and September 2018, corresponding to the end of winter and summer, respectively. Based on the concentration of MP determined by FT-IR analysis and morphological inspection, fishes from each species were divided into two groups: ≤0.1 MP g⁻¹ and >0.1 MP g⁻¹. Biomarkers (general condition, neurotoxicity, biotransformation, oxidative stress) and the Integrated Biomarker Response (IBR) indicating fish general stress were determined. Fishes with more than 0.1 MP g⁻¹ showed elevated general stress (1.2- to 1.8-fold) relative to fish with ≤0.1 MP g⁻¹. Founders captured in March were the exception. Mullets were the most susceptible fishes to MP contamination by exhibiting poor physical condition, neurotoxicity, oxidative stress or damage, and carps were the most resilient. Low temperature and less chlorophylls (a proxy of food availability) observed in March appear to enhance the biological effects of MP.

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两季节条件下野生鲤鱼、鲻鱼和比目鱼微塑料污染与应激生物标志物的关系

微塑料（MP）的潜在影响，塑料颗粒-1和>0.1 MP g-1。测定生物标志物（一般状况、神经毒性、生物转化、氧化应激）和综合生物标志物反应（IBR）。与≤0.1 MP g-1的鱼类相比，超过0.1 MP g-1的鱼类显示出更高的一般应激（1.2- 1.8倍）。3月份被捕的创始人是个例外。鲻鱼是最易受MP污染的鱼类，表现出较差的身体状况、神经毒性、氧化应激或损伤，而鲤鱼是最具弹性的。3月份的低温和较少的叶绿素（食物供应的代表）似乎增强了MP的生物效应。

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来源期刊

Marine environmental research 环境科学-毒理学

CiteScore

5.90

自引率

3.00%

发文量

217

审稿时长

46 days

期刊介绍： Marine Environmental Research publishes original research papers on chemical, physical, and biological interactions in the oceans and coastal waters. The journal serves as a forum for new information on biology, chemistry, and toxicology and syntheses that advance understanding of marine environmental processes. Submission of multidisciplinary studies is encouraged. Studies that utilize experimental approaches to clarify the roles of anthropogenic and natural causes of changes in marine ecosystems are especially welcome, as are those studies that represent new developments of a theoretical or conceptual aspect of marine science. All papers published in this journal are reviewed by qualified peers prior to acceptance and publication. Examples of topics considered to be appropriate for the journal include, but are not limited to, the following: – The extent, persistence, and consequences of change and the recovery from such change in natural marine systems – The biochemical, physiological, and ecological consequences of contaminants to marine organisms and ecosystems – The biogeochemistry of naturally occurring and anthropogenic substances – Models that describe and predict the above processes – Monitoring studies, to the extent that their results provide new information on functional processes – Methodological papers describing improved quantitative techniques for the marine sciences.