Biological & Environmental Sciences: Recent submissions
Now showing items 621-640 of 920
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Mychonastes homosphaera (Chlorophyceae): A promising feedstock for high quality feed production in the arid environment
( Elsevier , 2020 , Article)Rapid development and drastic population increase in Qatar have led to increasing awareness about food security. Microalgae are considered one of the most promising feedstocks owing to their ability to produce nutrients, ... -
Nutritional Requirements to Improve Delta-Endotoxins Production of Bacillus thuringiensis var. kurstaki Using Mixed Designs Modelling
( Springer India , 2017 , Article)Bacillus thuringiensiskurstaki is a soil bacterium that produces insecticidal toxins called delta-endotoxins. In order to increase the toxic crystal concentrations in a low-cost culture medium and thus improve the biopesticide ... -
Cadmium Toxicity: Oxidative Stress, Inflammation and Tissue Injury
( Scientific Research Publishing , 2019 , Article Review)Cadmium is a known environmental pollutant targeting various organs. Often implicated in cadmium toxicology is the formation of reactive oxygen species, overwhelming the free radical scavenging mechanisms and inducing ... -
Cadmium-induced endothelial dysfunction mediated by asymmetric dimethylarginine.
( Springer , 2020 , Article)Cadmium (Cd) is a naturally occurring toxic heavy metal with no known essential biological functions. Exposure to Cd increases the risk of cardiovascular disease by disrupting vascular homeostasis at the endothelium. The ... -
Microplastics in coastal environments of the Arabian Gulf
( Elsevier Ltd , 2017 , Article)Eight sandy beaches along the coastline of Qatar and four sea surface stations on the eastern coast, adjacent to Doha Bay, were surveyed between December 2014 and March 2015. Microplastics, mainly low density polyethylene ... -
Asynchrony among local communities stabilises ecosystem function of metacommunities
( Blackwell Publishing Ltd , 2017 , Article)Temporal stability of ecosystem functioning increases the predictability and reliability of ecosystem services, and understanding the drivers of stability across spatial scales is important for land management and policy ... -
Ecological and agriculture impacts of bakery yeast wastewater use on weed communities and crops in an arid environment
( Springer Verlag , 2017 , Article)The goal of this study was to evaluate the impact of using yeast wastewater (YW) on weed communities. The study showed that all ecological parameters including species richness, dispersion, density, frequency, and % of ... -
Variation in plant litter decomposition rates across extreme dry environments in Qatar
( University of Akron , 2017 , Article Review)Decomposition of plant litter is a key process for transfer of carbon and nutrients in ecosystems. Carbon contained in decaying biomass is released to the atmosphere as respired CO2, a greenhouse gas that contributes to ... -
Human and avicennia marina mangrove populations: With special reference to Qatar
( University of Akron , 2017 , Article)This study's aim is to find out the reasons and the ways to ensure the survival of Qatari mangroves along with the current development of the country. Mangroves are halophyte trees, able to survive in intertidal areas, ... -
Community and species-specific responses of plant traits to 23 years of experimental warming across subarctic tundra plant communities
( Nature Publishing Group , 2017 , Article)To improve understanding of how global warming may affect competitive interactions among plants, information on the responses of plant functional traits across species to long-term warming is needed. Here we report the ... -
Salvia fruticosa Induces Vasorelaxation in Rat Isolated Thoracic Aorta: Role of the PI3K/Akt/eNOS/NO/cGMP Signaling Pathway
( Nature Publishing Group , 2017 , Article)Salvia fruticosa (SF) Mill. is traditionally used for its antihypertensive actions. However, little is known about its pharmacologic and molecular mechanisms of action. Here we determined the effects of an ethanolic extract ... -
Impact of temperature and storage time on the migration of antimony from polyethylene terephthalate (PET) containers into bottled water in Qatar
( Springer International Publishing , 2017 , Article)Prosperity in Qatar and the consequent stresses on water resources resulted in a sustainable increase in the bottled drinking water market. Reports on health concerns and possible migration of chemicals from the plastic ... -
اقتصاد المعرفة ومابعد جائحة كورونا
( قطاع البحث والدراسات العليا - جامعة قطر , 2020 , Video)لا يوجد ملخص -
الملكية الفكرية والابتكار وتخطي أزمة فايروس كوفيد-19 المستجد
( جامعة قطر , 2020 , Video)سيتم في هذه الندوة مناقشة دور حقوق الملكية الفكرية في تمكين البحث العلمي لمواجهة الأزمات، ودور إدارة حماية الملكية الفكرية في الدولة لمواجهة جائحة كورونا والتسهيلات المقدمة لأصحاب الأعمال في قطر. بالإضافة إلى جلسة نقاشية ... -
COVID-19 and the Climate Change
(2020 , Video)NA -
New records of freshwater crustaceans from vernal pools of Qatar including large branchiopods and a Mysid Shrimp, a natural resource of economic importance for the aquaculture industry
( University of Akron , 2017 , Article Review)During an intensive survey of fresh water macroinvertebrates from vernal and permanent inland waters of Qatar, at the wet seasons of 2016 and 2017, seven species of crustaceans (one cladoceran, one notostaracan, two ... -
Preliminary insight into winter native fish assemblages in guadiana estuary salt marshes coping with environmental variability and non-indigenous fish introduction
( MDPI AG , 2017 , Article)This work aims to undertake a preliminary characterization of winter fish assemblages in the salt marsh areas of Guadiana lower estuary (South-East Portugal) and discusses the potential risks of habitat dominance by a ... -
Framework of basin eco-compensation standard valuation for cross-regional water supply – a case study in northern China
( Elsevier , 2020 , Article)Basin eco-compensation (BEC) helps balance development opportunities and ecological protection. With rising demand for water and severe ecological problems driven by rapid economic growth, an appropriate BEC standard is ... -
Protein arginine methyltransferase 5 (PRMT5) promotes survival of lymphoma cells via activation of WNT/B-catenin and AKT/GSK3B proliferative signaling
( American Society for Biochemistry and Molecular Biology Inc. , 2019 , Article)Epigenetic regulation by the type II protein arginine methyltransferase, PRMT5, plays an essential role in the control of cancer cell proliferation and tumorigenesis. In this report, we investigate the relationship between ... -
Interactions between topsoil properties and ecophysiological responses of mangroves (Avicennia marina) along the tidal gradient in an arid region in Qatar
( the Scientific and Technological Research Council of Turkey (TÜBİTAK). , 2020 , Article)This study investigated the interactions between topsoil properties and ecophysiological responses of Avicennia marina along the tidal gradient in an arid region in Qatar. In February 2017, three plots were established, ...
