Browsing Biological & Environmental Sciences by Title
Now showing items 36-55 of 95
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Elemental Composition, Source Tracking, And Air Quality Assessment Of Pm2.5 And Pm10 Pollution In Qatar
(2018 , Master Thesis)Particulate matter (PM) pollution is one of the major environmental pollution issues severely affecting human health and air quality all over the world. Based on the recent World Health Organization (WHO) report, PM ... -
ENHANCING PRODUCED WATER QUALITY USING MODIFIED ACTIVATED CARBON
(2016 , Master Thesis)The formation produced water from natural gas production process in the North field offshore considered largest volume of waste water in Qatar, which could be considered a potential benefits source for the industry as well ... -
ESTABLISMENT, SURVIVAL AND RHIZOSPHERE MICROBIOME OF SELECTED PLANTS IRRIGATED BY GREYWATER FOR SUSTAINABLE URBAN GREENING
(2024 , Master Thesis)Appropriate control of water in suburban green spaces ends up critical as metropolitan populations grow and water shortage represents an urgent issue. This thesis looks at how certain plant species grown for the purpose ... -
Grass Establishment, Weed Populations and Soil Microbial Succession in Turf Grass System as Influenced by Produced Water Irrigation
(2017 , Master Thesis)Agricultural water use is high in a world marred with water scarcity, thus necessitating alternative water resources such as wastewaters. This study attempted to use produced water (PW) to irrigate turf grass - Cynodon ... -
Heavy Metals Hyperaccumulation and the Role of Stress-Induced Proteins in Phytoremediation Mechanism in Selected Qatari Plants
(2020 , Dissertation)Progressive pollution of the environment by trace and heavy metals pose a significant risk and causes diverse human diseases. Current world initiatives to remove these toxic substances from the environment are costly and ... -
Hydrocarbon Degrading Candidate Bacteria Isolated From Qatar Polluted Soil and Molecular Identification of Key Enzymes Coding Genes
(2021 , Master Thesis)Sixteen bacterial strains were isolated form contaminated soils and identified as Bacillus subtilis, Bacillus circulans, Burkholderia cepacia, Pseudomonas aeruginosa, Micrococcus luteus, Raoultella ornithinolytica and ... -
Impact of Environmental and Anthropogenic Conditions on the Reproductive Cycle of the Pearl Oyster Pinctada Imbricata in Qatar
(2021 , Master Thesis)To master the aquaculture of pearl oysters Pinctada imbricada, one must master its reproductive cycle. We investigated it through histology, analysis of water physico chemistry and behavior recording on wild oysters sampled ... -
The impact of using produced water for plant irrigation and its effects on plants and soil characteristics
(2017 , Master Thesis)In this study, locally produced water was physically and chemically characterized. The results showed high concentration of total dissolved solids (TDS), chloride, sodium, boron ions and sodium adsorption ratio as 300, ... -
Impact On Local Pearl Oyster Pinctada Radiata Exposed To Chronic Levels Of Chlorine
(2019 , Professional Masters Project)The marine environment is facing major challenges due to several natural and anthropological stressors, including chemical and thermal pollutions released by coastal industries using seawater for cooling purposes. The ... -
IMPACTS ASSESSMENT OF DESALINATION BRINE DISCHARGE ON THE MARINE MICROBIAL BIODIVERSITY: A METAGENOMIC APPROACH
(2022 , Master Thesis)Being a hotspot of desalination, the health of the marine ecosystem of the Arabian Gulf is facing a serious threat. Many studies are suggesting that desalination activities could potentially harm the marine life, however, ... -
INDOOR AIR QUALITY OF OFFICE BUILDINGS IN IDUSTRIAL COMPLEX
(2018 , Professional Masters Project)Measurement of air quality in the places where people are used to spend a large amount of their time is essential. Hazardous substances emitted by anthropogenic activities, building construction materials, indoor equipment ... -
INFLUENCE OF ARBUSCULAR MYCORRHIZAL FUNGI (AMF) ISOLATED FROM ARID ZONES ON PLANT GROWTH, PROTEIN CONCENTRATIONS AND RESPONSE TO SALINITY CONDITIONS IN ALFALFA (MEDICAGO SATIVA)
(2022 , Dissertation)The present study is aimed to isolate native effective species of arbuscular mycorrhizal fungi from the Qatari environment and to subject these isolates for evaluation to support the growth of Medicago sativa under saline ... -
Initial Assessment of Environmental Microbial Hazards in Doha Restaurants
(2017 , Master Thesis)This study was carried out to assess hygiene conditions, food handling practices, food safety knowledge of food service providers (FSPs), and the microbial quality of food served in different food service establishments ... -
INSIGHTS INTO THE NATURAL DEGRADATION RATE OF PLASTICS IN THE SEAWATER ENVIRONMENT AND THEIR DEGRADATION BY-PRODUCTS (PHTHALATES AND BISPHENOL A)
(2023 , Master Thesis)Most plastics end up in the oceans. Their chemical additives that leach out into the ocean can be detrimental to humans and animals. This study investigates the degradation-fragmentation of different plastic types for 140 ... -
An Integrated Approach to Benthic Habitat Classification of the North Eastern Qatar Marine Zone Using Remote Sensing, Geographic Information System, and in Situ Measurements
(2014 , Master Thesis)A key aspect in the conservation management of the coastal marine zone is mapping the benthic habitat, which is the focus of the work presented in this project. Multispectral Worldview-2 (WV2) satellite data acquired in ... -
INVESTIGATING THE MOLECULAR MECHANISMS UNDERLYING THE ANTI-CANCER ACTIVITIES OF DIOSMETIN IN COLORECTAL CANCER CELLS: AN IN VITRO STUDY
(06-2 , Master Thesis)Diosmetin, a bioflavonoid isolated from citrus fruits, has been reported to have cytotoxic effects against various types of cancer. Although Diosmetin is found to have cytotoxic effects in Colorectal Cancer (CRC) cells, ... -
Investigation and Biological Control of Toxigenic Fungi and Mycotoxins in Dairy Cattle Feed
(2020 , Master Thesis)Mycotoxins are secondary metabolites synthesized by mycotoxigenic fungi, contaminating human and animal food and feed. Aflatoxin B1 (AFB1) and ochratoxins (OTA) are frequently detected in animal feed products causing ... -
INVESTIGATION AND PRODUCTION OF BIOINSECTICIDES BASED ON NEWLY BACILLUS THURINGIENSIS STRAINS ISOLATED FROM QATAR FOR THE DEVELOPMENT OF A BIOLOGICAL AGRICULTURE AND SAFE FOOD PRODUCTION IN QATAR
(2024 , Master Thesis)Bacillus thuringiensis produces parasporal crystals responsible of their insecticidal activity against specific insect orders. Eight newly isolated Bt strains produce different parasporal crystal and have several genetic ... -
INVESTIGATION OF BACTERIAL DIVERSITY AND CHEMOMETRIC ASSESSMENT FOR ENHANCING BIOREMEDIATION OF HYDROCARBONS IN QATARI SOILS
(2018 , Dissertation)Qatar is one of the leading countries in oil and gas industry worldwide. Qatar is located in the middle of the Arabian Gulf sea, a semi-closed sea surrounded by many petrochemical sites, besides the active offshore traffic ... -
INVESTIGATION OF SPATIAL AND SEASONAL MICROBIOME DYNAMICS AND ASSOCIATED ANTIBACTERIAL ACTIVITY IN SCLERACTINIAN CORAL PLATYGYRA DAEDALEA IN THE ARABIAN GULF
(2022 , Master Thesis)Corals have critical interactions with their associated microbes, which play an integral part in maintaining coral health and stability. Environmental factors can influence the microbial community of the coral resulting ...