Browsing by Author "Ben-Hamadou, Radhouan"
Now showing items 1-17 of 17
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Biological Activities and Chemical Composition of Methanolic Extracts of Selected Autochthonous Microalgae Strains from the Red Sea
Pereira, Hugo; Custódio, Luísa; Rodrigues, Maria João; Bruno de Sousa, Carolina; Oliveira, Marta; Barreira, Luísa; da Rosa Neng, Nuno; Nogueira, José Manuel Florêncio; Alrokayan, Salman A.; Mouffouk, Fouzi; Abu-Salah, Khalid M.; Ben-Hamadou, Radhouan; Varela, João... more authors ... less authors ( MDPI AG , 2015 , Article)Four lipid-rich microalgal species from the Red Sea belonging to three different genera (Nannochloris, Picochlorum and Desmochloris), previously isolated as novel biodiesel feedstocks, were bioprospected for high-value, ... -
Coral bleaching in extreme environments: speciesspecific thermal tolerance limits
Bouwmeester, Jessica; Eldos, Haneen I.; Warren, Christopher S.; Range, Pedro; Burt, John; Saeed, Suhur; Al-Naema, Nayla; Ben-Hamadou, Radhouan... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Increasing seawater temperatures are being measured worldwide, causing coral bleaching events during which the symbiosis between the coral host and its symbiotic zooxanthellae is disrupted, and a global decline in reef ... -
Diplomacy for the world's hottest sea
Al-Mudaffar Fawzi, Nadia; Fieseler, Clare M.; Helmuth, Brian; Leitão, Alexandra; Al-Ainsi, Mehsin; Al Mukaimi, Mohammad; Al-Saidi, Mohammad; Al Senafi, Fahad; Bejarano, Ivonne; Ben-Hamadou, Radhouan; D'Addario, Josh; Mohamed, Ahmad Mujthaba Dheen; Giraldes, Bruno W.; Glowka, Lyle; Johnson, Maggie D.; Lyons, Brett P.; Mateos-Molina, Daniel; Marshall, Christopher D.; Mohammed, Sayeed; Range, Pedro; Shokri, Mohammad Reza; Wong, John M.K.; Pyenson, Nicholas D.... more authors ... less authors ( American Association for the Advancement of Science , 2022 , Other)Countries that border the Persian or Arabian Gulf [hereafter, “Gulf ”] are adopting ambitious global commitments to protect their marine environments. The United Arab Emirates (UAE) has committed to protecting 30% of its ... -
Diversity Of Metazoan Parasites Of Two Reef Associated Fish Species From Qatar (Acanthopagrus Bifasciatus And Pomacanthus Maculosus)
Mohammed Hassan, Amna (2018 , Master Thesis)The aim of the present work was to study the parasitic diversity of two coral-reef associated fish species (Acanthopagrus bifasciatus and Pomacanthus maculosus) from Qatari waters. There were eight species of parasites ... -
Evaluation of Satellite Retrievals of Chlorophyll-a in the Arabian Gulf
Al-Naimi, Noora; E. Raitsos, Dionysios; Ben-Hamadou, Radhouan; Soliman, Yousria ( MDPI , 2017 , Article)The Arabian Gulf is a highly turbid, shallow sedimentary basin whose coastal areas have been classified as optically complex Case II waters (where ocean colour sensors have been proved to be unreliable). Yet, there is no ... -
Expanding ocean protection and peace: a window for science diplomacy in the Gulf.
Fieseler, Clare M; Al-Mudaffar Fawzi, Nadia; Helmuth, Brian; Leitão, Alexandra; Al Ainsi, Mehsin; Al Mukaimi, Mohammad; Al-Saidi, Mohammad; Al Senafi, Fahad; Bejarano, Ivonne; Ben-Hamadou, Radhouan; D'Addario, Josh; Mujthaba Dheen Mohamed, Ahmad; Giraldes, Bruno W; Glowka, Lyle; Johnson, Maggie D; Lyons, Brett P; Mateos-Molina, Daniel; Marshall, Christopher D; Mohammed, Sayeed; Range, Pedro; Reza Shokri, Mohammad; Wong, John M K; Pyenson, Nicholas D... more authors ... less authors ( Royal Society , 2023 , Article)The ecological state of the Persian or Arabian Gulf (hereafter 'Gulf') is in sharp decline. Calls for comprehensive ecosystem-based management approaches and transboundary conservation have gone largely unanswered, despite ... -
First genotoxicity assessment of marine environment in Qatar using the local Pearl oyster Pinctada radiata
Leitão, Alexandra; Al-Shaikh, Ismail; Hassan, Hassan; Ben Hamadou, Radhouan; Bach, Steffen ( Elsevier , 2017 , Article)The Arabian Gulf countries’ marine environment has been subjected to increasing industrial development and anthropogenic pressure, leading to the growing introduction of contaminants into the marine environment, with a ... -
Fouling assemblages on offshore oil platforms: diverse vertical reefs in the Arabian Gulf
Range, Pedro; Riera, Rodrigo; Omerspahic, Mustafa; Bouwmeester, Jessica; Bach, Steffen Sanvig; Møller, Peter Rask; Ben-Hamadou, Radhouan... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Coral reefs are one of the most biologically diverse and complex marine ecosystems that are being degraded at rapid rates. This consistent steadily trend is especially critical in coastal areas that have experienced an ... -
Habitat-specific benthic metabolism in a Mediterranean-type intermittent stream
Sroczyńska, Katarzyna; Claro, Marilia; Range, Pedro; Wasiak, Katarzyna; Wojtal-Frankiewicz, Adrianna; Ben-Hamadou, Radhouan; Leitão, Francisco; Chícharo, Luís... more authors ... less authors ( EDP Sciences , 2016 , Article)A modified flow-through chamber method was used to measure gross primary production (GPP), net primary production (NPP), community respiration (CR) and associated environmental variables in an intermittent Mediterranean-type ... -
Impact assessment of non-indigenous jellyfish species on the estuarine community dynamic: A model of medusa phase
Muha, Teja Petra; Teodosio, Maria Alexandra; Ben-Hamadou,Radhouan ( Academic Press , 2017 , Article)Non-indigenous jellyfish species (NIJS) Blackforida virginica have recently been introduced to the Guadiana Estuary. A modelling approach was used for the assessment of the species-specific impact on the native community, ... -
Impact of Environmental and Anthropogenic Conditions on the Reproductive Cycle of the Pearl Oyster Pinctada Imbricata in Qatar
Khalifa, Razan Tarig Hamid (2021 , Master Thesis)To master the aquaculture of pearl oysters Pinctada imbricada, one must master its reproductive cycle. We investigated it through histology, analysis of water physico chemistry and behavior recording on wild oysters sampled ... -
Impact On Local Pearl Oyster Pinctada Radiata Exposed To Chronic Levels Of Chlorine
Alfaqih, Arwa Shaif (2019 , Professional Masters Project)The marine environment is facing major challenges due to several natural and anthropological stressors, including chemical and thermal pollutions released by coastal industries using seawater for cooling purposes. The ... -
Modeling sediment transport in Qatar: Application for coastal development planning.
Yousif, Ruqaiya; Warren, Christopher; Ben-Hamadou, Radhouan; Husrevoglu, Sinan ( Wiley , 2018 , Article)Hydrodynamics and sediment transport are key physical processes contributing to habitat structure within the marine environment. Coastal development that results in the alteration of these processes (e.g., changing water ... -
Preliminary insight into winter native fish assemblages in guadiana estuary salt marshes coping with environmental variability and non-indigenous fish introduction
Goncalves, Renata; Teodosio, Maria Alexandra; Cruz, Joana; Ben-Hamadou, Radhouan; Correia, Ana Dulce; Chicharo, Luis... more authors ... less authors ( MDPI AG , 2017 , Article)This work aims to undertake a preliminary characterization of winter fish assemblages in the salt marsh areas of Guadiana lower estuary (South-East Portugal) and discusses the potential risks of habitat dominance by a ... -
Symbiotic dinoflagellates associated with corals in Qatar: characterization and physiological response to environmental change
Eldos, Haneen Ibrahim (2017 , Master Thesis)Studying coral reefs’ responses to environmental and anthropogenic stressors is crucial to ensure the development of appropriate conservation and restoration programs, especially in areas such as the Arabian Gulf where ... -
Towards Better Surveillance for Coral Ecosystems in Qatar: Stakeholder Engagement in EBM Approach.
Ali, Abdel-Samad M.; Fanning, Lucia; Range, Pedro; Alnaimi, Mera; Ben-Hamadou, Radhouan (2020 , Article)More recently, Qatar has undergone a remarkable social and economic transformation in less than a generation. Although Qataris have a historic connection to the sea, dating back to the pearl diving days in the 19th century, ... -
Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf
Ben-Hamadou, Radhouan; Torquato, Felipe; Jensen, Hannah Malene; Range, Pedro; Bach, Stefen; Sigsgaard, Eva Egelyng; Thomsen, Philip Francis; Møller, Peter Rask; Riera, Rodrigo... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)About one third of the oil and gas extracted worldwide comes from offshore sources. There is currently thousands of large-scale oil and gas platforms spread across the seas and coastal oceans, from the North Sea to the ...