ارزیابی میزان تجمع فلزات سنگین در بافت های عضلانی میگوی وحشی و پرورشی گونه ببری سبز (Penaeus semisulcatus) در سواحل استان بوشهر - خلیج فارس ایران
محورهای موضوعی : میکروبیولوژی
صبا علی محمدی
1
,
داریوش آزادیخواه
2
,
رامین مناف فر
3
1 - دانش آموخته دکترای عمومی دامپزشکی، دانشکده دامپزشکی، واحد ارومیه، دانشگاه آزاد اسلامی، ارومیه، ایران
2 - گروه پاتوبیولوژی، دانشکده دامپزشکی، واحد ارومیه، دانشگاه آزاداسلامی، ارومیه، ایران.
3 - گروه شیلات ، دانشکده منابع طبیعی، دانشگاه ارومیه، ارومیه، ایران
کلید واژه: میگو, فلزات سنگین, بافت های عضلانی, بوشهر, خلیج فارس,
چکیده مقاله :
زمینه و هدف مطالعه: با توجه به اهمیت بررسی آلودگی های مربوط به فلزات سنگین در آبزیان خوراکی مطالعه حاضر با هدف بررسی اثرات تجمع فلزات سنگین (سرب، کادمیوم، نیکل، مس و کروم) در میگوهای وحشی و پرورشی گونه ببری سبز (Penaeus semisulcatus) در سواحل استان بوشهر-خلیج فارس ایران صورت پذیرفت. مواد و روشها: بدین منظور از میگوهای ۶ ایستگاه استان بوشهر به ترتیب، میگو دریایی و پرورشی دیر-کنگان، میگوی دریایی و پرورشی دلوار-بوشهر و میگوی دریایی و پرورشی گناوه نمونه برداری شده و فلزات سنگین آنها مورد ارزیابی قرار گرفتند. نتایج: بر اساس نتایج بدست آمد آلودگی به فلزات سنگین در مناطق مختلف استان بوشهر به یک میزان نمی باشد. نتایج بدست آمده در مطالعه حاضر بیانگر آن بود که از نظر سرب و کادمیوم در میگو های بررسی شده اختلاف معنی داری بین مناطق مختلف دیده نشد (۰۵/۰<p). بیشترین غلظت نیکل در منطقه دیر کنگان و سپس دلوار دیده شد که اختلاف معنی داری با سایر مناطق وجود داشت (۰۵/۰>p). بیشترین میزان کروم در منطقه دلوار و سپس دیر-کنگان مشاهده شد که اختلاف معنی داری با سایر مناطق مشاهده گردید (۰۵/۰>p). بیشترین میزان مس نیز در منطقه دیر-کنگان دیده شد که اختلاف معنی داری با سایر گروه ها داشت (۰۵/۰>p). نتایج بدست آمده در مطالعه حاضر از نظر حد استاندارد مجاز فلزات سنگین بیانگر آن بود که میزان سرب و کادمیوم کمتر از حد مجاز ولی میزان نیکل، کروم و مس بیش از حد مجاز بودند. نتیجه گیری: بر اساس نتایج حاصله از این بررسی اﻧﺪازه ﮔﯿﺮي دوره اي ﻓﻠﺰات ﺳﻨﮕﯿﻦ در گونه های مختلف آبزیان خلیج فارس توصیه می گردد زیرا غلظت فلزات سنگین به منظور ارزیابی خطر احتمالی مصرف آبزیان برای سلامت انسان مهم و ضروری می باشد.
Introduction: Considering the importance of investigating heavy metal pollution in edible aquatic animals, the present study aims to investigate the effects of heavy metal accumulation (lead, cadmium, nickel, copper and zinc) in wild and farmed shrimps of the green tiger species (Penaeus semisulcatus) on the shores of Bushehr province. - The Persian Gulf of Iran took place. Materials and methods: For this purpose, from the shrimps of 6 stations of Bushehr province, Deir-Kangan marine and farmed shrimp, Delvar-Bushehr marine and farmed shrimp, and Ganaveh marine and farmed shrimp were sampled and their heavy metals were evaluated. Based on the obtained results, heavy metal pollution is not the same in different areas of Bushehr province. Results: The results obtained in the present study indicated that there was no significant difference between different regions in terms of lead and cadmium in the investigated shrimps (p<0.05). The highest concentration of nickel was seen in Deir Kangan region and then Delwar, which was significantly different from other regions (p<0.05). The highest amount of chromium was observed in Delwar region and then Deir-Kangan, which was significantly different from other regions (p<0.05). The highest amount of copper was also seen in Deir-Kangan region, which had a significant difference with other groups (p<0.05). The results obtained in the present study in terms of the standard limit of heavy metals indicated that the amount of lead and cadmium was less than the limit, but the amount of nickel, chromium and copper was more than the limit. Conclusion: Based on the results of this study, periodic measurement of heavy metals in different aquatic species of the Persian Gulf is recommended, becouse it is important and necessary to determine the concentrations of heavy metals in aquatic animal in order to evaluate the possible risk of fish consumption for human health.
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