College of Education for Pure Science

PH.D. Dissertation Viva in the College of Education for Pure Science entitled “A comparative Study of Algae Qualitative distribution in Selected Aquatic Environments in Nineveh Governorate”The College of Education for Pure Science, University of Mosul, has done the PH.D. Dissertation Viva entitled “A comparative Study of Algae Qualitative distribution in Selected Aquatic Environments in Nineveh Governorate “,On Wednesday, May 25, 2022, the College staff including the respected Dean of the College, Assistant Professor Dr. Qais Ismail Ibrahim, the Honorable Scientific Associate and Administrative Associate, the Honorable Head of the Department of Biology, and a number of the college’s teachers were attended the viva. This study, presented by the PH,D. student Manal Abbas A. Ibrahim in the Department of Biology, was conducted in the laboratories of the Research Unit of the College of Education for Pure Sciences / University of Mosul, which aims to assess water supply plants in Nineveh Governorate – the left coast, namely the old Al-Aysar project located north of the city in Al-Arabi neighborhood, Al-Zohour project in Al-Zohour neighborhood, and Al-Sahroon project located south of the city in the Al-Arabi neighborhood. Yarmajh al-Gharbia, and (360) samples were collected at an average of (120) samples for each project over the course of a whole year and were subjected to physical, chemical and bacterial analyzes, which included (temperature, electrical conductivity, pH function, dissolved oxygen, total alkalinity, total hardness, hard calcium, magnesium, ions Sodium, potassium, sulfate, phosphate, chloride, bicarbonate, total number of TPC, F.C and E.coli. The water quality was also evaluated using the NSFWQI mathematical model, also the human health risk of NO3 via drinking water was calculated, as well as the estimation of the number of nano plastic pieces in the water before treatment and after treatment using a dissecting microscope. It was also characterized and its lengths were known using a fluorescent microscope and a scanning electron microscope (SEM). The (EDX) technique was also used to know the proportions of the elements present. In the water, the last section of the study dealt with the diagnosis of algae present in the water before and after treatment using a light microscope, as well as knowing their numbers using the Millipore technique. The results showed a rise in dissolved oxygen, reaching (12) mg.l-1 in Al-Zohour project, and the highest electrical conductivity was (572) microsiemens.cm-1 in Al-Saheroon (Al-sahab) project, and the highest total hardness was (420) in (Al-Saheroon) project, sulfates and phosphates (232.3) and (4.51) mg.L-1, respectively, in Al-Zohour project and the total basal did not exceed (200) mg.L-1 in the old Al-Aysar and the total bacterial numbers reached (9320) cells.ml-1. There are no health problems for nitrates in The studied water did not exceed the values of the hazard quotient (QHi) to the permissible limits and for all age groups. The results also indicated that the highest number of plastic particles present in the water was (38) particles liter in
(Al-Saheroon) project, and the (EDX) examination showed the presence of nano-pollution in the water of aluminum and manganese elements.Algae scattered in the studied stations were diagnosed, in addition to the water supplied to the consumer. The results showed that the dominant algae belonged to the Bacillariophcophyta section with a percentage of (36.6), followed by the green algae Chlorophycophyta at a percentage of (32.7), then the blue-green algae Cyanophycophyta with a percentage of (25). (In addition to the Euglenophycophyta section with a percentage of (3.8) as well as the chrysophycophyta section with a percentage of (1.9) . The discussion committee was chaired by Prof. Dr. Qusay Kamal Al-Din Al-Ahmadi/ President of Mosul University and the membership of Prof. Dr. Riyad Abbas Abdul-Jabbar/ Tikrit University/ College of Science, Prof. Dr. Ahmed Sahi Darwish/Al-Mustansiriya University/College of Science, Prof. Dr. Muhammad Saeed Faisal / University of Mosul / College of Education for Pure Sciences/ the head of biology department, Dr. Mara Osama Ahmed/University of Mosul / College of Education for Pure Sciences and under the supervision and membership of both Prof. Dr. Youssef Jabbar Ismail / Mosul University/College of Education for Pure Sciences and Prof. Dr. Abdulaziz Younis Talei/ University of Mosul/ College of Education for Pure Sciences.