Browsing Biological & Environmental Sciences by Title
Now showing items 695-714 of 799
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Source identification of beached oil at Al Zubarah, Northwestern Qatar
( Elsevier B.V. , 2017 , Article)The Gulf was contaminated with a large quantity of crude oil during the Gulf War in 1991. Some of the oil beached on the shorelines of the Northwest coast of Qatar. It was discovered, during a sampling campaign in 2015, ... -
Spatial variation in coral reef fish and benthic communities in the central Saudi Arabian Red Sea
( PeerJ , 2017 , Article)Local-scale ecological information is critical as a sound basis for spatial management and conservation and as support for ongoing research in relatively unstudied areas. We conducted visual surveys of fish and benthic ... -
Spectral and Structural Properties of High-Quality Reduced Graphene Oxide Produced via a Simple Approach Using Tetraethylenepentamine
( MDPI , 2022 , Article)A simple temperature-assisted solution interaction technique was used to functionalize and reduce graphene oxide (GO) using tetraethylenepentamine (TEPA) with less chemicals, low temperature, and without using other reducing ... -
A spherical-plot solution to linking acceleration metrics with animal performance, state, behaviour and lifestyle
( BioMed Central , 2016 , Article)Background We are increasingly using recording devices with multiple sensors operating at high frequencies to produce large volumes of data which are problematic to interpret. A particularly challenging example comes from ... -
Spread of the yellow-legged hornet Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae) across Northern Spain
( European and Mediterranean Plant Protection Organization , 2015 , Article)The yellow-legged hornet�Vespa velutina nigrithorax�du Buysson (Hymenoptera: Vespidae) is an Asian native species which has now established in parts of Europe. Since its detection in France in 2005 it has spread quickly ... -
Standing stocks and body size of deep-sea macrofauna: Predicting the baseline of 2010 Deepwater Horizon oil spill in the northern Gulf of Mexico
( Elsevier , 2012 , Article)A composite database encompassing 6 benthic surveys from years 1983 to 2003 was constructed to evaluate the distribution of macrofaunal biomass in the deep Gulf of Mexico (GoM) prior to the Deepwater Horizon oil spill. ... -
Statistical Analysis of Cultural Parameters Influencing Delta-Endotoxins and Proteases Productions by Bacillus thuringiensis kurstaki
( Springer Verlag , 2016 , Article)Bacillus thuringiensis is a spore-forming bacterium that produces delta-endotoxins, which are toxic to lepidopterans, dipterans and coleopterans. Concomitantly with production of delta-endotoxins, B. thuringiensis produces ... -
Strategies and Perspectives for UV Resonance Raman Applicability in Clinical Analyses of Human Sperm RNA.
( MDPI , 2021 , Article)Developing a deeper knowledge about the impact of DNA and RNA epigenetic mutations on sperm production and fertilization performance is essential for selecting best quality samples in Assisted Reproductive Technologies ... -
Studies on metal–organic framework (MOF) nanomedicine preparations of sildenafil for the future treatment of pulmonary arterial hypertension
( nature , 2021 , Article)Pulmonary arterial hypertension (PAH) is an incurable disease, although symptoms are treated with a range of dilator drugs. Despite their clinical benefits, these drugs are limited by systemic side-effects. It is, therefore, ... -
Study of bacterial interactions in reconstituted hydrocarbon-degrading bacterial consortia from a local collection, for the bioremediation of weathered oily-soils
( Elsevier B.V. , 2021 , Article)To enhance the process of bacterial remediation of weathered hydrocarbons, the area of Dukhan, Qatar, was considered as a model for weathering processes. Self-purification by indigenous hydrocarbon-degrading bacteria showed ... -
Study of the Bacillus thuringiensis Vip3Aa16 histopathological effects and determination of its putative binding proteins in the midgut of Spodoptera littoralis
( Elsevier Inc. , 2011 , Article)The bacterium Bacillus thuringiensis produces, at the vegetative stage of its growth, Vip3A proteins with activity against a broad spectrum of lepidopteran insects. The Egyptian cotton leaf worm (Spodoptera littoralis) is ... -
Study the Potential Use of Waste Water Grown Microalgae Biomass as Biofertilizer
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Liquid wastewater streams that contain nitrogen must be treated before being discharged into the environment to prevent eutrophication. Already there are several existing conventional treatment technologies that can remove ... -
Studying competitive sorption behavior of methylene blue and malachite green using multivariate calibration
( Elsevier B.V. , 2014 , Article)Sorption of methylene blue MB and malachite green MG (with 96.4% spectral overlap) from bi-solute solution by natural kaolinitic-clay and philipsite-rich-zeolite tuff was addressed where solutes simply quantified using ... -
Surface soil carbon storage in urban green spaces in three major South Korean cities
( MDPI AG , 2016 , Article)Quantifying and managing carbon (C) storage in urban green space (UGS) soils is associated with the ecosystem services necessary for human well-being and the national C inventory report of the Intergovernmental Panel on ... -
Survey and identification of date palm pathogens and indigenous biocontrol agents
( American Phytopathological Society , 2020 , Article)Fungal diseases are considered a major threat to plant growth and productivity. However, some beneficial fungi growing in the same environment protect plants from various pathogens, either by secreting antifungal metabolites ... -
Susceptibility of Agrotis segetum (noctuidae) to Bacillus thuringiensis and analysis of midgut proteinases
( Taylor & Francis , 2015 , Article)Seventy-eight Bacillus thuringiensis isolates were selected for a screening against the Lepidoptera species Agrotis segetum to search the higher insecticidal activity. In a preliminary bioassay, the spore-crystal mixture ... -
Sustainable and long-term management of municipal solid waste: A review
( Elsevier , 2022 , Article)This study investigates landfill and incineration waste management strategies as potential and prevalent traditional methods of disposing of municipality-generated waste because of their cheapness and simplicity but requires ... -
Sustainable and long-term management of municipal solid waste: A review
( Elsevier Ltd , 2022 , Article)This study investigates landfill and incineration waste management strategies as potential and prevalent traditional methods of disposing of municipality-generated waste because of their cheapness and simplicity but requires ... -
Sustainable livelihood framework-based indicators for assessing climate change vulnerability and adaptation for Himalayan communities
( Elsevier B.V. , 2017 , Article)This study evaluated the climate change vulnerability of Himalayan communities, and their potential to adapt to these changes, through assessing their perceived reactions and counter-actions to climate change. The evaluation ... -
Sustainable production of toxin free marine microalgae biomass as fish feed in large scale open system in the Qatari desert
( Elsevier Ltd , 2015 , Article)Mass cultivation of microalgae biomass for feed should be cost effective and toxin free. Evaporation loss in Qatar can be as high as 2 cm/d. Hence, production of marine microalgae biomass in Qatar would also require ...