تصفح Marine Science Cluster حسب العنوان
السجلات المعروضة 20 -- 39 من 214
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Baseline concentrations of mercury species within sediments from Qatar's coastal marine zone
( 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
( 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
( 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
( 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 ... -
The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf
( 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
( 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. ... -
The biological effects of chemical contaminants in the Arabian/Persian Gulf: A review
( 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 ... -
Burrowing crabs in arid mangrove forests on the southwestern Arabian Gulf: Ecological and biogeographical considerations
( 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 ... -
Carbon based sensors for air quality monitoring networks; middle east perspective
( Frontiers Media SA , 2024 , Article Review)IoT-based Sensors networks play a pivotal role in improving air quality monitoring in the Middle East. They provide real-time data, enabling precise tracking of pollution trends, informed decision-making, and increased ... -
The Carcinogenic and Non-Carcinogenic Health Risks of Metal(oid)s Bioaccumulation in Leafy Vegetables: A Consumption Advisory
( 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 ... -
Characteristics and renewal of zooplankton communities under extreme environmental stresses in the oligotrophic hypersaline Arabian Gulf
( 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 ... -
Characteristics and sources of anthropogenic and biogenic hydrocarbons in sediments from the coast of Qatar.
( Elsevier , 2017 , Article)Surface sediment samples from the coastal zone of Qatar were collected and analyzed to determine the characteristics, and sources of anthropogenic and biogenic hydrocarbons. The main compounds in these surface sediments ... -
Characterization and source identification of PM2.5 during intense haze episodes in an urban environment of Lahore
( Elsevier , 2024 , Article)In the backdrop of persistent haze occurrences affecting Southeast Asia and Pakistan's environmental landscape, this study delves into an in-depth analysis of atmospheric Particulate Matter (PM2.5) during intense haze ... -
Characterization of the extracellular polymeric substances (EPS) of Virgibacillus strains capable of mediating the formation of high Mg-calcite and protodolomite
( Elsevier B.V. , 2019 , Article)The origin of dolomite –a common mineral in the geological record– is the subject of an ongoing debate. Among different hypotheses, it has been proposed that extracellular polymeric substances (EPS) excreted by microbes ... -
Chemical composition of indoor and outdoor PM2.5 in the eastern Arabian Peninsula
( Springer , 2024 , Article)Water-soluble and trace metal species in fine particulate matter (PM2.5) were determined for indoor and outdoor environments in Doha, Qatar. During the study period, PM2.5 concentrations showed significant variability ... -
Climate, trends and variability of extreme winds along the southwest coast of India
( Wiley , 2023 , Article)The extreme wind climate and its trends and variability of the southwest coast of India, particularly the Kerala coast, are investigated using hourly reanalysis wind speeds for the period 1979–2021. The observed maximum ... -
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
( Wiley , 2022 , Article)Wind climate along the southwest coast of India (Kerala coast) has been analysed using 41 years of Climate Forecast System Reanalysis (CFSR) winds to delineate long-term trends and variability. The study reveals significant ... -
Coal fly ash supported Ag@Bi2WO6: A novel heterogeneous nanocomposite for effective sunlight driven photocatalytic degradation of dye
( Elsevier , 2023 , Article)Water contamination is a serious environmental issue. It has detrimental effects on the living habitat. This contaminated water is treated with numerous physicochemical techniques. Presently, adsorption-enhanced photo-catalysis ... -
A comparison of the macrofauna of natural and replanted mangroves in Qatar
( Academic Press , 1999 , Article)The present investigation quantifies the biodiversity of the Brachyura and fish living within the natural mangrove Avicennia marina, salt marsh find replanted mangal, and compares relevant features of the abiotic and biotic ... -
Concentration, composition and sources of PAHs in the coastal sediments of the exclusive economic zone (EEZ) of Qatar, Arabian Gulf
( Elsevier Ltd , 2014 , Article)Surface sediments were collected from sixteen locations in order to assess levels and sources of polycyclic aromatic hydrocarbons (PAHs) in sediments of Qatar exclusive economic zone (EEZ). Samples were analyzed for 16 ...