تصفح Marine Science Cluster حسب المؤلف "Al-Shaikh, Ismail"
-
Characteristics and sources of anthropogenic and biogenic hydrocarbons in sediments from the coast of Qatar.
Rushdi, Ahmed I; Al-Shaikh, Ismail; El-Mubarak, Aarif H; Alnaimi, Hajer A J A; Al-Shamary, Noora; Hassan, Hassan M; Assali, Mazen Abou... more authors ... less authors ( 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 ... -
Evaluation of pesticide residues of organochlorine in vegetables and fruits in Qatar: statistical analysis
Al-Shamary, Noora M.; Al-Ghouti, Mohammad A.; Al-Shaikh, Ismail; Al-Meer, Saeed H.; Ahmed, Talaat A. ( Springer Verlag , 2016 , Article)The study aimed to examine the residues of organochlorines pesticides (OCPs) in vegetables and fruits in Qatar. A total of 127 samples was studied. Ninety percent of the imported samples recorded residues above the maximum ... -
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 ... -
Macrobenthos in the central Arabian Gulf: a reflection of climate extremes and variability
Wei, Chih-Lin; Rowe, Gilbert T.; Al-Ansi, Mohsin; Al-Maslamani, Ibrahim; Soliman, Yousria; El-Din, Nehad Nour; Al-Ansari, Ibrahim S.; Al-Shaikh, Ismail; Quigg, Antonietta; Nunnally, Clifton; Abdel-Moati, Mohamed A.... more authors ... less authors ( Springer International Publishing , 2016 , Article)The arid subtropical ecosystem of the central Arabian Gulf was used to explore the combined effects of low primary productivity, high salinities, and variable temperatures on the composition and structure of benthic ... -
Metal distribution in marine sediment along the Doha Bay, Qatar.
Al-Naimi, Hajer A; Al-Ghouti, Mohammad A; Al-Shaikh, Ismail; Al-Yafe, Mehsin; Al-Meer, Saeed ( Springer , 2015 , Article)Concentrations of 25 heavy metals (Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sr, V, Zn and Hg) in surface sediments along the Doha Bay from 10 transects each with five stations were ... -
Radioactivity levels in the marine environment along the Exclusive Economic Zone (EEZ) of Qatar
Al-Qaradawi, Ilham; Abdel-Moati, Mohamed; Al-Yafei, Mohsin Al-Ansi; Al-Ansari, Ebrahim; Al-Maslamani, Ibrahim; Holm, Elis; Al-Shaikh, Ismail; Mauring, Alexander; Pinto, Primal V.; Abdulmalik, Dana; Amir, Amina; Miller, Mark; Yigiterhan, Oguz; Persson, Bertil... more authors ... less authors ( Elsevier , 2015 , Article)A study on 137Cs, 40K, 226Ra, 228Ra, and 238U was carried out along the EEZ of Qatar. Results serve as the first ever baseline data. The level of 137Cs (mean value 1.6 ± 0.4 Bq m 3) in water filters was found to be in the ... -
Utilization of Two Microalgae Species, Synechococcus sp. and Cheatoceros sp., for Aquatic Toxicity Assessments in the Qatari Marine Environmen
Bacha, Sarah; Saeed, Suhur; Deb, Nandita; Al-Shaikh, Ismail; Al-Abdulla, Mohammed; Warren, Christopher; Dupont, Jennifer... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Microalgal bioassays are currently used worldwide to help assess the impacts of contaminants on aquatic ecosystems. Algae are particularly important to such assessments because they represent the basic trophic level of the ...