Now showing items 117-136 of 443
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Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes
( Frontiers Media , 2021 , Article)Litter decomposition is a key process for carbon and nutrient cycling in terrestrial ecosystems and is mainly controlled by environmental conditions, substrate quantity and quality as well as microbial community abundance ... -
Effects of Coupling Water and Fertilizer on Agronomic Traits, Sugar Content and Yield of Sugarcane in Guangxi, China
( MDPI , 2022 , Article)This work is a contribution to applied water and fertilizer coupling efforts aiming at increasing crop productivity on sugarcane plantations through the analysis of average cane yields obtained following main agronomic ... -
Effects of incorporating pine-woodchip biochar with reduced NP fertilizer on calcareous soil characteristics, organic carbon, NPK availability, and maize productivity
( Elsevier , 2023 , Article)Purpose: One of the successful and sustainable methods to restore low-fertility soils over the past few decades has been the integrated effect of biochar made from various feedstocks and chemical fertilizers. However, the ... -
The Effects of Salinity and Genotype on the Rhizospheric Mycobiomes in Date Palm Seedlings.
( MDPI , 2024 , Article)Salinity severely affects the health and productivity of plants, with root-associated microbes, including fungi, potentially playing a crucial role in mitigating this effect and promoting plant health. This study employed ... -
The efficacy data of two household cleaning and disinfecting agents on Lens culinaris Medik and Vicia faba seed germination
( Elsevier , 2021 , Article)A germination test of Vicia faba and Lens culinaris seeds under the effect of bleach and vinegar was conducted for seven days, and the observations were recorded daily. The completely randomized design (CRD) was used to ... -
Efficient shoot regeneration of medicinal plant Haplophyllum tuberculatum by direct and indirect organogenesis and genetic fidelity assessment using Inter Simple Sequence Repeats markers
( Frontiers in Plant Science , 2022 , Article)In vitro plant cell and tissue cultures are potent tools to propagating germplasm resources in conserving and managing plant genetic resources. A reliable micropropagation protocol was developed for efficient callus ... -
Elemental compositions of particulate matter retained on air condition unit’s filters at Greater Doha, Qatar
( Springer Netherlands , 2019 , Article)© 2019, The Author(s). Elemental composition of airborne dust samples retained by internal filters of air condition units (ACUs) was determined at 12 locations of Doha city, state of Qatar. Twenty-four elements: Al, Ca, ... -
Elemental distributions in the marine sediments off Doha, Qatar: role of urbanisation and coastal dynamics
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)This research investigates the present status and decadal variability of element distributions in the marine sediments off Doha, on the east coast of Qatar. Twenty elements were considered from 11 sediment sampling stations ... -
Empirical Relation for Capillary Pressure in Shale
( Society of Petroleum Engineers (SPE) , 2022 , Article)Brooks and Corey (1964) and van Genuchten (1980) proposed the two most widely used relations for approximating capillary pressure. Petroleum engineers apply both, but they were originally proposed to understand the moisture ... -
Enhanced photo-Fenton degradation of Rhodamine B using iodine-doped iron tungstate nanocomposite under sunlight
( Springer , 2022 , Article)In the present research work, iodine-doped iron tungstate has been reported for first time as an active photo-Fenton heterogeneous catalyst for wastewater treatment. In Fenton-like process, the catalytic efficiency of FeWO4 ... -
Enhancement in bell pepper (Capsicum annuum l.) plants with application of roholtiella sp. (nostocales) under soilless cultivation
( MDPI , 2021 , Article)Cyanobacteria are found to be renewable and sustainable additives for growth improvement in crops. Extracts and biomass of three nitrogen-fixing cyanobacteria namely, Roholtiella sp. (QUCCCM97), Nostoc ellipsosporum ... -
Enhancing subsea asset performance: Investigating the biomimetic functionality of the Mushroom Reef design in hydrodynamics, stability, and sedimentation
( Elsevier , 2023 , Article)In this study, laboratory and in situ experiments were performed to assess the stability of the Mushroom Forest Artificial Reef (MFAR) against the hydrodynamic forces of waves and currents and its functionality to avoid ... -
Environmental contamination in mangrove crustaceans inhabiting Qatari waters
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)The increasing level of pollutants in the marine environment is a major concern in all countries, in particular where the main diet is seafood. The major goal of this project was to assess the level of pollution and their ... -
Environmental Drivers of Habitat Use by Hawksbill Turtles (Eretmochelys imbricata) in the Arabian Gulf (Qatar)
( Frontiers Media SA , 2020 , Article)Understanding the environmental drivers of movement patterns are critical to the protection, management and recovery of endangered species. The Arabian Gulf is considered to be the hottest marine system in the world and ... -
Environmental Evaluation Risk Assessment and Management options of Abu Nakhla Treated Sewage Effluent TSE Unlined Pond Doha Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The rapid economic and population growth of Qatar during the last few decades led to generation of substantial volume of municipal treated sewage effluent (TSE). Most of this water was disposed into Abu Nakhla depression ... -
Environmental impact of utilization of “produced water” from oil and gas operations in turfgrass systems
( Nature Research , 2020 , Article)© 2020, The Author(s). This study attempted to use produced water (PW) to irrigate turfgrass species, Cynodon dactylon and Paspalum sp. Assessment on established grasses, heavy metal accumulation and germination tests for ... -
Environmental impacts of using municipal biosolids on soil, plant and groundwater qualities
( MDPI , 2021 , Article)This study was conducted to evaluate the effect of three different rates of municipal biosolids produced in Qatar on plant characteristics and soil texture and its potential impacts on groundwater. Petunia atkinsiana, was ... -
Epibenthic assemblages on vertical artificial substrates: recruitment and succession patterns in offshore Qatari waters
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Artificial structures get introduced into the marine environment by accident (e.g., shipwrecks) or intentionally, for logistical (i.e., coastal protection), industrial (i.e., oil exploitation) or biological habitat enhancement ... -
An Equatorial Pacific rain event: influence on the distribution of iron and hydrogen peroxide in surface waters
( Elsevier , 2001 , Article)The wet deposition of iron and peroxides was monitored during an intense rain squall in the equatorial Pacific Ocean. Iron and hydrogen peroxide were determined at sea using adsorptive cathodic stripping voltammetry (ACSV) ... -
Ervilia castanea (Mollusca, Bivalvia) populations adversely affected at CO2 seeps in the North Atlantic
( Elsevier B.V. , 2021 , Article)Sites with naturally high CO2 conditions provide unique opportunities to forecast the vulnerability of coastal ecosystems to ocean acidification, by studying the biological responses and potential adaptations to this ...
