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السجلات المعروضة 327 -- 346 من 466
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PAHs and hopanes in the surface sediments of Qatar coast and their ecological risks: Comparison with regional and global coastal regions
( Elsevier Ltd , 2024 , Article)The distribution, characteristics, sources and ecological risks of polycyclic aromatic hydrocarbons (PAHs) and hopanes in the surface sediments collected along the Qatar coast were investigated. Concentration of ∑14PAHs ... -
Paleoproductivity shifts since the last 130 ka off Lakshadweep, Southeastern Arabian Sea
( Elsevier , 2021 , Article)Marine sediment deposited on the ocean floor and near coastal areas, the western coastal regions of India provide records of monsoonal shifts and productivity. To understand the paleoproductivity in the northern Indian ... -
Photocatalytic degradation of methylene blue using polyaniline-based silver-doped zinc sulfide (PANI-Ag/ZnS) composites
( Springer , 2022 , Article)This study set out to determine the photocatalytic degradation potential of polyaniline-based silver-doped zinc sulfide composite (PANI-Ag/ZnS) for effective degradation of methylene blue. The heterogeneous photocatalytic ... -
Photodegradation and Its Effect on Plant Litter Decomposition in Terrestrial Ecosystems: A Systematic Review
( MDPI , 2023 , Article Review)Photodegradation is an important mechanism that affects carbon and nutrient cycling; a significant amount of data has been reported previously. The present review includes the effect of a wider spectrum of solar radiation ... -
Physical drivers of chlorophyll and nutrients variability in the Southern-Central Arabian Gulf
( Academic Press , 2023 , Article)The southern-central Arabian Gulf demonstrates a poor understanding of nutrients and chlorophyll dynamics in physical-biogeochemical settings. Here, using data of chlorophyll, nutrients and hydrographic parameters collected ... -
Physico-chemical characteristics of oil produced from seeds of some date palm cultivars (Phoenix dactylifera L.) .
(2015 , Article)The oil content of saturated and unsaturated fatty acids with some physico-chemical properties and nutrients were investigated in oil produced from seeds of six important date palm cultivars and one seed strain present in ... -
Physiological and Yield Performance Is Partially Linked to Water Use Efficiency of Eggplant Genotypes in a High-Tech Glasshouse
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Eggplant (Solanum melongena L.) has become an increasingly common vegetable grown in glasshouses. This study emphasized on the physiological traits and productivity of three eggplant cultivars (Longa, Lydia, and Tracey) ... -
Phytophthora-citrus interactions and management strategies: a review
( Turkiye Klinikleri , 2022 , Other)Citrus production is declining worldwide due to several biotic and abiotic factors. The diseases caused by Phytophthora spp. present major economic risks since they are soil-borne and spread quickly if environmental ... -
Phytoplankton along the coastal shelf of an oligotrophic hypersaline environment in a semi-enclosed marginal sea: Qatar (Arabian Gulf)
( Elsevier , 2013 , Article)Phytoplankton biomass (chlorophyll a concentration), primary production, abundance, species diversity and species groupings were measured in the coastal waters surrounding Qatar (Arabian Gulf) at 13 stations in February ... -
Phytoplankton-zooplankton relations in three inland seas along the Qatari coast (Arabian Gulf)
( Taylor and Francis Ltd. , 2005 , Article)Phyloplankton and zooplankton community structures and abundance were studied in three inland seas around Qatar, two along the eastern coast and one along the northwestern coast. Despite some irregularities, the direct ... -
Plant traits poorly predict winner and loser shrub species in a warming tundra biome
( Springer , 2023 , Article)Climate change is leading to species redistributions. In the tundra biome, shrubs are generally expanding, but not all tundra shrub species will benefit from warming. Winner and loser species, and the characteristics that ... -
Plegadognathus bonariensis (Acari: Halacaridae): First halacarid mite report from Qatar
( Acarological Society of Iran , 2019 , Article)In this study, the genus Plegadognathus Morselli, 1981 with the species P. bonariensis. Viets, 1936) is recorded from Qatar for the first time. Diagnoses for the genus Plegadognathus and the short description of female of ... -
Pollution Characteristics of Particulate Matter (PM2.5 and PM10) and Constituent Carbonaceous Aerosols in a South Asian Future Megacity
( MDPI , 2020 , Article)The future megacity of Faisalabad is of prime interest when considering environmental health because of its bulky population and abundant industrial and anthropogenic sources of coarse particles (PM10) and fine airborne ... -
Polycyclic aromatic hydrocarbons in dust from the indoor environment of Qatar
( Hamad Bin Khalifa University Press , 2016 , Conference Paper)Polyaromatic Hydrocarbons (PAHs) concentrations in dust trapped on air conditioning unit filters operating in residential and workplace locations in Doha, Qatar were sampled and measured. Fourteen samples were collected ... -
Polymer-metal oxide composite nanofibers
( Elsevier , 2021 , Book chapter)Extensive studies have been conducted on different kinds of polymers, their composites, and multifunctionalities, depending on their structural features. Metal oxides and their polymer nanocomposites offer technological ... -
Population structure of marine turtles in coastal waters of Qatar
( Inter-Research Science Publishing , 2015 , Article)Knowledge of the interrelationships between habitats and life-stage development in marine turtles requires an understanding of recruitment, size and age at maturity, sex ratios, growth and sexual development rates, ... -
Potassium transport and use efficiency for sustainable fertigation in protected cropping
( John Wiley & Sons , 2023 , Article)The increasing demand for high-quality horticultural produces in global markets has driven the growing crop production under protected cropping, which are usually more efficient in fertilizer use compared to field cultivation. ... -
The potential impact data of Tylosin and Enrofloxacin veterinary antibiotics on germination and accumulation in barley seed as a forage crop and good dietary sources using LC/MS-MS
( Elsevier , 2019 , Article)In this study, the phytotoxic effects caused by the exposure to five different concentrations of two veterinary antibiotics (Tylosin, and Enrofloxacin) that are commonly used for the treatment of farm animals as antibacterial ... -
The Potential Impact of Climate Extremes on Cotton and Wheat Crops in Southern Punjab, Pakistan
( MDPI , 2022 , Article)The assessment of climate extremes’ impact on crop yield is essential to improve our understanding of agricultural resilience. In the present study, we analyzed the potential impact of climate extremes on wheat and cotton ... -
Predicting litter decomposition rate for temperate forest tree species by the relative contribution of green leaf and litter traits in the Indian Himalayas region
( Elsevier , 2020 , Article)We examined eight green leaf traits (leaf area, specific leaf area, leaf dry matter, leaf water content, leaf carbon, nitrogen, phosphorous, and chlorophyll) and eight litter traits (cellulose, lignin, litter carbon, ...