Some Behavioural and Physiological Effects of Plastics (Polyethylene) on Fish

Ekinadose Orose, O. K. Wokeh, C. G. Okey-Wokeh
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引用次数: 1

Abstract

Waste generation and disposal, particularly of plastics, have grown significantly over time due to the rapid expansion of urban development. Aquatic species are especially threatened by plastic pollution because the aquatic ecosystem serves as a sink for all contaminants. The capacity for regular development and reproduction is crucial for both human and wildlife health. The endocrine system, which comprises numerous glands that emit hormones to control blood sugar, growth, reproduction, metabolism, and the development of the brain, normally controls these functions. The majority of the synthetic organic chemicals used in plastics come from petroleum. It is well known that their effects cause the endocrine system's regular operation to be disrupted. Plastics are produced at a low cost, and their light weight and adaptability make them candidates for a wide range of uses in all facets of daily life. Plastic waste can enter the ecosystem through waste discharges from oil and gas platforms, aquaculture, and landfills, as well as through litter such as bags and plastic bits used as abrasives. Because they include indigestible particles that fill the stomach and lessen appetite, plastics have been implicated in harming the health of a variety of creatures. They were also discovered in the gastrointestinal tract of individual fish after one week, which disrupted the food's flow to the intestinal mucosa and had an impact on the fish's growth and physical condition. Additionally, fish exposed to plastics have been shown to exhibit changed behavior, decreased sperm motility, and increased thyroid hormone production. Therefore, exposure to varied amounts of polyethylene impairs an organism's normal physiological functioning and has the potential to impact negatively on both the health of the organism and its offspring. This review was aimed at highlighting the risks of plastic exposure to fish and people through the food chain.
塑料(聚乙烯)对鱼类的一些行为和生理影响
随着时间的推移,由于城市发展的迅速扩大,废物的产生和处置,特别是塑料的产生和处置显著增加。水生物种尤其受到塑料污染的威胁,因为水生生态系统是所有污染物的汇。正常发育和繁殖的能力对人类和野生动物的健康都至关重要。内分泌系统由许多腺体组成,这些腺体分泌激素来控制血糖、生长、繁殖、新陈代谢和大脑的发育,通常控制这些功能。塑料中使用的大部分合成有机化学物质来自石油。众所周知,它们的作用会破坏内分泌系统的正常运作。塑料的生产成本低,重量轻,适应性强,在日常生活的各个方面都有广泛的应用。塑料垃圾可以通过石油和天然气平台、水产养殖和垃圾填埋场排放的废物,以及用作磨料的塑料袋和塑料碎片等垃圾进入生态系统。由于塑料中含有难以消化的颗粒,这些颗粒会填满胃,降低食欲,因此塑料被认为会损害多种生物的健康。一周后,在个别鱼的胃肠道中也发现了它们,它们扰乱了食物流向肠道粘膜,对鱼的生长和身体状况产生了影响。此外,接触塑料的鱼表现出行为改变,精子活力下降,甲状腺激素分泌增加。因此,接触不同数量的聚乙烯会损害生物体的正常生理功能,并有可能对生物体及其后代的健康产生负面影响。这项审查的目的是强调塑料通过食物链暴露给鱼类和人类的风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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