Browsing Environmental Science Center by Title

Now showing items 35-54 of 443

    • Baseline concentrations of mercury species within sediments from Qatar's coastal marine zone 

      Hassan, Hassan; Abou Elezz, Ahmed; Abuasali, Mazen; AlSaadi, Hamood ( Elsevier , 2019 , Article)
      Baseline concentration of total mercury (THg), organic extractable mercury and methylmercury (CH3Hg) concentrations in sediments from the northeastern, eastern and southeastern parts of the Arabian Gulf were assessed. ...

    • Baseline distribution of petroleum hydrocarbon contamination in the marine environment around the coastline of Qatar 

      Al-Shamary, Noora; Hassan, Hassan; Leitão, Alexandra; Hutchinson, Simon M.; Mondal, Debapriya; ... more authors ( Elsevier Ltd , 2023 , Article)
      Levels of organic contaminants (TPHs, PAHs) were simultaneously determined in both abiotic (sediments, seawater) and biotic (Pinctada radiata oysters) samples at four sites along the coastline of Qatar (Arabian Gulf) in ...

    • Baseline monitoring gastropods in the intertidal zone of Qatar - target species and bioindicators for hyper-thermic and hyper-saline Conditions 

      Al-Maslamani, Ibrahim; Al-Masdi, Amira; Smyth, David; Chatting, Mark; Obbard, Jeffrey; ... more authors ( ARC Publications Pvt Ltd. , 2015 , Article)
      The Arabian Gulf is subjected to some of the most intense sea water temperatures and salinity levels in the world. In an attempt to understand the distribution and species composition of gastropod assemblages which live ...

    • Basic assessment of Portunus segnis (Forskål, 1775) – A baseline for stock management in the Western Arabian Gulf 

      Giraldes, Bruno Welter; Al-Maslamani, Ibrahim; Al-Ashwel, Aisha; Chatting, Mark; Smyth, David ( Elsevier , 2016 , Article)
      Portunus segnis (Forskål, 1775) is the representative species of the Portunus pelagicus (Linnaeus, 1758) complex described as inhabiting the Arabian Gulf. It represents one of the most important decapod resources within ...

    • Benchmarking plant diversity of Palaearctic grasslands and other open habitats 

      Biurrun, Idoia; Pielech, Remigiusz; Dembicz, Iwona; Gillet, François; Kozub, Łukasz; ... more authors ( Wiley , 2021 , Article)
      Aims Understanding fine-grain diversity patterns across large spatial extents is fundamental for macroecological research and biodiversity conservation. Using the GrassPlot database, we provide benchmarks of fine-grain ...

    • The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf 

      Giraldes, Bruno Welter; Leitão, Alexandra; Smyth, David ( Public Library of Science , 2019 , Article)
      A number of molluscs within the Class Bivalvia are defined by their ability to secrete fine silk like threads known as byssus which are used to anchor themselves to solid substrates. With relatively few exceptions the ...

    • Benthic surveys of the historic pearl oyster beds of Qatar reveal a dramatic ecological change 

      Smyth, D.; Al-Maslamani, I.; Chatting, M.; Giraldes, B. ( Elsevier , 2016 , Article)
      The study aimed to confirm the presence of historic oyster banks of Qatar and code the biotopes present. The research also collated historical records and scientific publications to create a timeline of fishery activity. ...

    • Bioethanol Production from Waste and Nonsalable Date Palm (Phoenix dactylifera L.) Fruits: Potentials and Challenges 

      Castillo, Azenith B.; Cortes, Dan Jerry D.; Sorino, Caesar F.; Soriño, Christian Kim P.; El-Naas, Muftah H.; ... more authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)
      Balancing the needs of current and future generations stimulates investment for sustainable development such as converting waste biomass into biorenewables. Sugar-based ethanol production is a well-investigated and established ...

    • The biological effects of chemical contaminants in the Arabian/Persian Gulf: A review 

      Khatir, Zenaba; Leitão, Alexandra; Lyons, Brett P. ( Elsevier , 2020 , Article)
      © 2019 Elsevier B.V. The Arabian Gulf is a shallow sea naturally exposed to extreme conditions of temperature and salinity due to its location, semi-enclosed nature, bathymetry and restricted circulation. Compared to open ...

    • Biomass loss in village ecosystems in Western Himalaya due to wild monkey interactions: A case study 

      Sushma, Rawat; Nagar, Bhuvnesh; Adhikari, Bhupendra Singh; Pandey, Rajiv; Alatalo, Juha M. ( Elsevier , 2021 , Article)
      Conservation faces the challenge of reconciling human activities with the simultaneous presence of wildlife in cultivated landscapes. In a study carried out in two villages of Pauri Garhwal, Western Himalaya, an attempt ...

    • Bryophyte cover and richness decline after 18 years of experimental warming in alpine Sweden. 

      Alatalo, Juha M; Jägerbrand, Annika K; Erfanian, Mohammad Bagher; Chen, Shengbin; Sun, Shou-Qin; ... more authors ( Oxford University Press , 2020 , Article)
      Climate change is expected to affect alpine and Arctic tundra communities. Most previous long-term studies have focused on impacts on vascular plants, this study examined impacts of long-term warming on bryophyte communities. ...

    • BTEX, nitrogen oxides, ammonia and ozone concentrations at traffic influenced and background urban sites in an arid environment 

      Alfoldy, B.; Mahfouz, M.M.K.; Yigiterhan, O.; Safi, M.A.; Elnaiem, A.E.; ... more authors ( Elsevier , 2019 , Article)
      Spatial distribution of key air pollutants were studied in Doha, Qatar, over the course of two monitoring campaigns in early spring, 2016. Time-weighted averages of BTEX components (benzene, toluene, ethyl-benzene, ...

    • Burrowing crabs in arid mangrove forests on the southwestern Arabian Gulf: Ecological and biogeographical considerations 

      Al-Khayat, Jassim A.; Giraldes, Bruno Welter ( Elsevier B.V. , 2020 , Article)
      Many species of mangrove crabs are essential in the formation of mangrove ecosystems, and the bioturbation resulting from the excavation of their underground chambers is directly correlated with substrate oxygenation and ...

    • Can bryophyte groups increase functional resolution in tundra ecosystems? 

      Lett, Signe; Jónsdóttir, Ingibjörg S.; Becker-Scarpitta, Antoine; Christiansen, Casper T.; During, Heinjo; ... more authors ( Canadian Science Publishing , 2022 , Article Review)
      The relative contribution of bryophytes to plant diversity, primary productivity, and ecosystem functioning increases towards colder climates. Bryophytes respond to environmental changes at the species level, but because ...

    • Capillary pressure correction of cuttings 

      Alessa, S.; Sakhaee-Pour, A.; Sadooni, F.N.; Al-Kuwari, H.A. ( Elsevier , 2022 , Article)
      The accurate characterization of capillary pressure is essential in determining multiphase flow behavior in subsurface conditions. It is also essential in quantifying reservoir rock quality, reservoir fluid saturations, ...

    • The Carcinogenic and Non-Carcinogenic Health Risks of Metal(oid)s Bioaccumulation in Leafy Vegetables: A Consumption Advisory 

      Alsafran, Mohammed; Usman, Kamal; Rizwan, Muhammad; Ahmed, Talaat; Al Jabri, Hareb ( Frontiers Media , 2021 , Article)
      High levels of metal(oid)s in soil or food pose a severe health risk to humans. The potential toxicants find their way into the living systems via the food chain, following bioaccumulation in edible plants, including leafy ...

    • CFD estimation of gas production in tight carbonates using single and dual-porosity models 

      Khadri, Syed Oubee; Hussein, Ibnelwaleed A.; Sadooni, Fadhil; Shirif, Ezeddin ( Nature Research , 2023 , Article)
      Tight Carbonate reservoirs are regarded as one of the most complex reservoir formations due to the heterogeneity and complexity of their mineral composition, pore structure, and storage model. It is uncommon to study the ...

    • Changes in air quality during the first-level response to the COVID-19 pandemic in Shanghai Municipality, China 

      Bai, Yang; Zhou, Yi; Alatalo, Juha M.; Hughes, Alice C. ( MDPI , 2020 , Article)
      Ongoing rapid urban population growth world-wide has led to serious environmental problems that affect ecosystems and also lower the security and happiness of urban residents about their living environment. The most ...

    • Changes in plant composition and diversity in an alpine heath and meadow after 18 years of experimental warming 

      Alatalo, Juha M.; Erfanian, Mohammad Bagher; Molau, Ulf; Chen, Shengbin; Bai, Yang; ... more authors ( Springer , 2021 , Article)
      Global warming is expected to have large impacts on high alpine and Arctic ecosystems in the future. Here we report effects of 18 years of experimental warming on two contrasting high alpine plant communities in subarctic ...

    • Characteristics and renewal of zooplankton communities under extreme environmental stresses in the oligotrophic hypersaline Arabian Gulf 

      Liu, Hui; Nour El-Din, Nehad; Rowe, Gilbert; Al-Ansi, Mohsin; Wei, Chih-Lin; ... more authors ( Elsevier , 2022 , Article)
      Impacts of the exceptionally high temperature and salinity on species composition, abundance, biomass and diversity of zooplankton communities were examined in the central Arabian (Persian) Gulf in late winter and summer ...