Impacts of Different Phosphorus Contents on the Growth of Cylindrospermopsis raciborskii in the Aquatic Environment
- سال انتشار: 1398
- محل انتشار: مجله گزارشات و فناوری سلامت، دوره: 5، شماره: 1
- کد COI اختصاصی: JR_IJHLS-5-1_006
- زبان مقاله: انگلیسی
- تعداد مشاهده: 177
نویسندگان
Environmental Health Research Center, International Branch of Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
Chemical Engineering Department, Amir Kabir University of Technology, Tehran, Iran
Department of Environmental Health Engineering, School of Health, Jiroft University of Medical Sciences, Jiroft, Iran
Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran۶Department of Environmental Health Engineering, School of Health, Qazvin University of Medical Sciences, Qazvin, Iran
Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
چکیده
Background: Cyanobacteria are the most important group of algae. Many factors are involved in the rapid growth of algae such asphosphorus and nitrogen contents.Objectives: The current study aimed at evaluating the effect different phosphorus concentrations on the growth rate of Cylindrospermopsisraciborskii during the aquatic life.Methods: The experiment was carried out for ۱۲ days at three phosphorus concentrations and one control group in Zehnder ۸ andBlue-Green ۱۱ media. The rates of cell division per day (G) and specific growth rate ( ) were separately estimated for each group.Cyanobacterium was tested at three phosphorus concentrations; ۱۵۰, ۳۰۰, and ۶۰۰ g/L.Results: The current study results showed that increasing phosphorus concentration had a significant effect on the growth of C.raciborskii in some particular days of cultivation. The maximum growth rate (۰.۹ per day) was observed at ۷ g/L phosphorus concentration.Conclusions: Phosphorus was a limiting factor and contributed to the removal of toxins from the alga and its blooming. The maximumgrowth rate was observed in the group treated on the day ۸ of cultivation with phosphorus concentration of ۳۰۰ g/L.کلیدواژه ها
Cyanobacteria, Cylindrospermopsis raciborskii, Phosphorus, Growth Rateمقالات مرتبط جدید
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