ارزیابی اثرات مزارع پرورش ماهی قزل‌آلای رنگین کمان بر پارامترهای فیزیکو شیمیایی آب رودخانه قلعه‌رودخان- استان گیلان

نوع مقاله : مقاله پژوهشی

نویسندگان
علی جهانی 1
مهسا ایماندار 2
امیر ستاری راد 3
جاوید ایمانپور 4
1 دانشیار، گروه ارزیابی و مخاطرات محیط زیست، پژوهشکده محیط زیست و توسعه پایدار، تهران، ایران
2 دانشگاه محیط زیست. کرج. ایران
3 دانشگاه محیط زیست، کرج ، ایران
4 گروه شیلات، دانشگاه گیلان، رشت، ایران
10.22034/el.2023.391377.1009
چکیده
اثر پساب مزارع پرورش ماهی قزل‌آلای رنگین کمان بر مؤلفه های فیزیک و شیمیایی آب رودخانه قلعه رودخان بررسی شد. در امتداد رودخانه 6 ایستگاه مطالعاتی انتخاب گردید 2 ایستگاه از انشعاب فوشه (به عنوان ایستگاه‌های شاهد) و 4 ایستگاه از انشعاب قلعه رودخان). پارامترها به فاصله زمانی هر 30 روز یکبار طی 9 ماه از مهر 93 لغایت خرداد 94 اندازه گیری شدند. شواهد نشان می‌دهد که بین پارامترهای فیزیکی آب (دمای آب، اکسیژن محلول و سرعت جریان) ایستگاه شاهد و دیگر ایستگاه ها اختلاف معناداری وجود ندارد (05/0‌p> ). درعین‌حال، از نظر پارامترهای شیمیایی آب (نیتریت، نیترات، فسفات و آمونیوم) بین ایستگاه 1 قلعه رودخان (محل خروج پساب) و ایستگاه شاهد، اختلاف معنادار یافت گردید (05/0‌p< ). همچنین هیچگونه اختلاف معناداری بین ایستگاه 4 قلعه رودخان و ایستگاه شاهد به جز در مؤلفه نیترات یافت نگردید. نتایج حاصل در مجموع نشان داد که رودخانه قلعه رودخان در شرایط این تحقیق، در طول دوره نمونه برداری از قابلیت خود پالایی مناسبی در ایستگاه های پایین دست برخوردار است.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Evaluation Of The Effects Of Rainbow Trout Fish Farms On Qala-Rodkhan River Water Using Physicochemical Parameters - Gilan Province

نویسندگان English

Ali Jahani 1
Mahsa Imandar 2
Amir Satari Rad 3
Javid Imanpour 4
1 Associate Professor, Faculty of Assessment and Environment Risks Department, Research Center of Environment and Sustainable Development, Tehran, Iran.
2 College of Environment, Karaj, Iran
3 College of Environment, Karaj, Iran.
4 Faculty of Aquaculture Department, University of Guilan, Rasht, Iran.
چکیده English

The effect of rainbow trout fish farms effluent on the physical and chemical components of Qala Rudkhan river water was investigated. 6 study stations were selected along the river 2 stations from Foshe branch (as control stations) and 4 stations from Qala Rudkhan branch). The parameters were measured every 30 days for 9 months from October 2014 to June 2015. The evidence shows that there is no significant difference between the water physical parameters (water temperature, dissolved oxygen and flow rate) of the control station and other stations (p>0.05). At the same time, in terms of water chemical parameters (nitrite, nitrate, phosphate, and ammonium), a significant difference was found between station 1 of Qala Rudkhan (Effluent exit location) and the control station (p<0.05). Also, no significant difference was found between station 4 of Qala Rudkhan and the control station, except for the nitrate component. The results showed that, in the conditions of this research, during the sampling period, the river of Qala Rudkhan has a suitable self-purification capability in the downstream stations.

کلیدواژه‌ها English

Effluent
Rudkhan Castle
Salmon
physical and chemical parameters
Guilan
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اکولوژی انسانی
دوره 2، شماره 2
بهار 1402
صفحه 127-140