Biological & Environmental Sciences: Recent submissions
Now showing items 61-80 of 102
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Mobile Epifauna Associated To Artificial Substrates In Offshore Qatari Waters
(2019 , Master Thesis)Offshore human-made structures including oil and gas platforms and other energy producing structures, such as foundations of windfarms, serve as hard substratum supporting diverse marine communities of invertebrates both ... -
Date Pits Based Nanomaterials For Thermal Insulation Applications - Towards Energy Efficient Buildings In Qatar
(2019 , Professional Masters Project)Air-conditioning systems make the most significant part of energy consumption in the residential sector. There is no denying that it is essential to produce a comfortable indoor thermal environment for residents in a ... -
Optimizing The Remediation Of Organophosphorus Pesticide Profenofos From Water Using Activated Date Pits: Mechanistic Studies
(2019 , Master Thesis)The aim of the study was to examine the efficiency of date pits as an adsorbent to remove the organophosphate pesticide profenofos from wastewater. Various adsorption isotherms models namely Langmuir isotherm, Freundlich ... -
Biological Control Of Mycotoxigenic Fungi And Associated Mycotoxins By The Application Of Bacterial And Yeast Antifungal Compounds
(2019 , Master Thesis)Mycotoxins are secondary metabolites of mycotoxigenic fungi and are considered as a serious threaten to the life of humans and animals, since some of these mycotoxins are carcinogenic compounds. In this M.Sc research ... -
Seasonal Variations Of Dinophysis Species And Their Toxins In Qatari Waters, Arabian Gulf
(2019 , Master Thesis)The results of investigations from several cruises carried out in Qatari waters between 2017 and 2018 were reported. The species composition, distribution and toxicity of Dinophysis community were examined. A total number ... -
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 ... -
Development Of Bio-Insecticides Based On Local Qatari Bacillus Thuringiensis Strains For The Biological Control Of Harmful Dipteran Disease Vectors
(2019 , Dissertation)The very friendly bacterium Bacillus thuringiensis (Bt) is the main source of environment-friendly and safe bioinsecticides used in the control of plant pests and animal and human disease vectors. A collection of 441 Qatari ... -
Development Of A Protocol For Culturing And Maintaining Seagrass, Halodule Uninervis, Under Laboratory Conditions And Its Application To Determine Impacts Of Light On Seagrass Growth
(2019 , Professional Masters Project)Seagrass meadows are an important component of the marine ecosystem as they not only contribute nutrients and organic carbon to the nutrient cycle, but also, provide food, habitat and nursery grounds for a plethora of ... -
A Microbiological Risk Assessment At The Fresh Produce Wholesale Market In Doha
(2019 , Dissertation)Food contamination is a challenging problem in many developing countries, like Qatar where the majority of food is imported. The wholesale fresh produce market (WSFPM) in Doha is considered as the major produce market from ... -
The Effect Of The Blockade On Governmental Health-Care Services In Qatar
(2018 , Master Thesis)Problem: A good portion of the budget dedicated to the health-care sector every year for laboratory and pharmacy services is spent on patient care, instruments and equipment, medication, software, facilities, and so on. ... -
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 ... -
Diversity Of Metazoan Parasites Of Two Reef Associated Fish Species From Qatar (Acanthopagrus Bifasciatus And Pomacanthus Maculosus)
(2018 , Master Thesis)The aim of the present work was to study the parasitic diversity of two coral-reef associated fish species (Acanthopagrus bifasciatus and Pomacanthus maculosus) from Qatari waters. There were eight species of parasites ... -
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 ... -
ROLE OF AEROBIC BACTERIA IN DOLOMITE FORMATION IN THE EVAPORITIC ENVIRONMENTS OF QATAR SABKHAS
(2018 , Dissertation)Sabkha (salt flats) are extreme evaporitic environments inhabited by a large diversity of halophilic microorganisms. Sabkhas have been studied to understand the microbemineral interactions that lead to the formation of ... -
ANTIMICROBIAL AND CYTOTOXIC ACTIVITIES OF SELECTED QATARI FLORA
(2018 , Master Thesis)Conventional medicine has been challenged by various issues, including drug resistance and safety. On the other hand, Complementary Alternative Medicine has been increasingly gaining the interest of the scientific community ... -
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 ... -
ISOLATION, IDENTIFICATION, DIFFERENTIATION AND SCREENING OF LOCAL AEROBIC UREOLYTIC BACTERIA INVOLVED IN MICROBIALLY INDUCED CALCIUM CARBONATE PRECIPITATION IN QATARI SOIL.
(2018 , Master Thesis)Biomineralization plays an important role in stabilizing the soil by modifying its geological and physical properties, hence, acting as a stabilizer against wind erosion specially in regions characterized by harsh soil ... -
Symbiotic dinoflagellates associated with corals in Qatar: characterization and physiological response to environmental change
(2017 , Master Thesis)Studying coral reefs’ responses to environmental and anthropogenic stressors is crucial to ensure the development of appropriate conservation and restoration programs, especially in areas such as the Arabian Gulf where ... -
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, ... -
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 ...