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السجلات المعروضة 6569 -- 6588 من 26734
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Divergent changes of the elevational synchronicity in vegetation spring phenology in North China from 2001 to 2017 in connection with variations in chilling
( Royal Meteorological Society , 2021 , Article)Mountain ecosystems are sensitive to climate change, and vegetation phenology provides one of the best signals to exemplify ecosystem responses to climate change. Vegetation phenology of mountain ecosystems is usually ... -
Diversification and bank stability in the GCC
( Elsevier Ltd , 2018 , Article)This study examines bank diversification strategies and links to financial sector stability. Using a sample of listed and unlisted banks operating in the Gulf Cooperation Council (GCC) countries over 2001 to 2014 we ... -
Diversification and hedging strategies of green bonds in financial asset portfolios during the COVID-19 pandemic
( Routledge , 2023 , Article)In this paper, we investigate whether investors can reap potential diversification or hedging benefits from holding green bonds in a portfolio containing a conventional financial asset during the COVID-19 pandemic. Using ... -
Diversification potential of Asian frontier, BRIC emerging and major developed stock markets: A wavelet-based value at risk approach
( Elsevier B.V. , 2017 , Article)This study examines the portfolio risk and the co-movements between each of the BRIC emerging and South Asian frontier stock markets and each of the major developed stock markets (U.S., UK and Japan), using the wavelet ... -
Diversifying relationships: Russian policy toward GCC
( Palgrave Macmillan , 2021 , Article)The interaction between Russia and Gulf countries represents the story of ups and downs, severe conflicts and sharp warmings that can largely be explained by the permanently changing role and place of each of these players ... -
Diversity and seasonal variation of essential oils for wild Coridothymus capitatus (L.) using GC-MS technique
( International Society for Horticultural Science , 2020 , Article)Essential oils of C. capitatus wild populations were quantitatively analyzed using gas chromatography and gas chromatography-mass spectrometry techniques. Significant diversity was obtained among wild C. capitatus populations. ... -
Diversity and Zonation of Benthic Amphipod Crustaceans Affected by the Mississippi Submarine Canyon in the Northern Gulf of Mexico
( Frontiers Media S.A. , 2022 , Article)Amphipod crustacean diversity and zonation are described from the large Mississippi Canyon that extends from the continental shelf across the entire continental margin. Benthic amphipods were sampled on four cruises from ... -
Diversity in health professional education scholarship: a document analysis of international author representation in leading journals
( NLM (Medline) , 2020 , Article)Objectives The global distribution of health professionals and associated training programmes is wide but prior study has demonstrated reported scholarship of teaching and learning arises from predominantly Western ... -
Diversity of arbuscular mycorrhizal fungi and its chemical drivers across dryland habitats
( Springer , 2021 , Article)Qatar is largely characterized by a hyper-arid climate and low soil fertility which create a stressful soil environment for arbuscular mycorrhizal (AM) fungi. In a study of AM fungal communities and their relationship with ... -
Diversity of Bacillus thuringiensis Strains From Qatar as Shown by Crystal Morphology, d-Endotoxins and Cry Gene Content
( Frontiers Media , 2018 , Article)Bacillus thuringiensis (Bt) based insecticidal formulations have been recognized as one of the most successful, environmentally safe and sustainable method of controlling insect pests. Research teams worldwide are in ... -
Diversity of bacterial pathogens and their antimicrobial resistance profile among commensal rodents in Qatar
( Springer Science and Business Media B.V. , 2022 , Article)Rodents are sources of many zoonotic pathogens that are of public health concern. This study investigated bacterial pathogens and assessed their antimicrobial resistance (AMR) patterns in commensal rodents in Qatar. A total ... -
Diversity of benthic macrofauna and physical parameters of sediments in natural mangroves and in afforested mangroves three decades after compensatory planting
( Springer , 2018 , Article)Mangroves in the Arabian Gulf are under pressure from land use change, leading to compensatory planting at sites without natural mangroves. In this study, we examine the potential long-term success of this form of ... -
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 ... -
Diversity, Characterization, and Potential Applications of Bacterial Endophytes Isolated from the Halophyte Limonium axillare
( Springer , 2024 , Article)Recently, there has been a worldwide call to explore nature-friendly compounds, which could enhance plant growth and substitute for chemically synthesized products. Endophytes are a group of microorganisms that lives in ... -
Diversity, concentration and dynamics of culturable fungal bioaerosols at doha, qatar
( MDPI AG , 2021 , Article)This research was conducted to investigate the dynamics of airborne fungi using viable culture collection and in respect to different abiotic variables, including seasonal and intra-diurnal variations. A gravimetric method ... -
Diversity, Distribution, and applications of arbuscular mycorrhizal fungi in the Arabian Peninsula
( Elsevier B.V. , 2024 , Other)Investigations of arbuscular mycorrhizal fungi (AMF) received extreme interests among scientist including agronomists and environmental scientists. This interest is linked to advantages provided by AMF in enhancing the ... -
Diversity, Habitats and Seasonal Distribution of Fish in Three Protectorates of Southern Sinai on the Red Sea, Egypt
( Qatar University , 2000 , Article)The present investigation is an attempt to study the diversity, habitats and seasonal distribution offish of inshore water at thirteen sites of the three Protectorates (Ras Muhammed, Nabq and Abou Galoum) of Southern Sinai ... -
Diversity-multiplexing tradeoff for log-normal fading channels
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Although there has been a growing interest on the study of diversity-multiplexing tradeoff (DMT), the existing works are mostly restricted to the outcomes reported for Rayleigh, Rician, and Nakagami fading channels. In ... -
Diversity-productivity dependent resistance of an alpine plant community to different climate change scenarios
( Springer Tokyo , 2016 , Article)Here we report from a experiment imposing different warming scenarios [control with ambient temperature, constant level of moderate warming for 3�years, stepwise increase in warming for 3�years, and one season of high level ... -
Dividend policy and religion: International evidence from firms with Islamic Label
( Elsevier , 2022 , Article)This paper builds on prior research and argues that religion, as an informal cultural institution, may impose constraints on corporations. The framework of Shariah-compliant firms presents a unique opportunity to investigate ...
