Browsing by Author "Al Khayat, Jassim A."
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Application of Balanced Acceptance Sampling to an Intertidal Survey
Abi, Naeimeh; Moradi, Mohammad; Salehi, Mohammad; Brown, Jennifer; Al-Khayat, Jassim A.; Moltchanova, Elena... more authors ... less authors ( De Gruyter Open Ltd , 2017 , Article)In ecological studies, the population of interest is often spread over a large area. In these studies, obtaining a sample with good spatial coverage is an important feature in the design of a survey. In most cases adjacent, ... -
Burrowing crabs in arid mangrove forests on the southwestern Arabian Gulf: Ecological and biogeographical considerations
Al-Khayat, Jassim A.; Giraldes, Bruno Welter ( Elsevier B.V. , 2020 , Article)Many species of mangrove crabs are essential in the formation of mangrove ecosystems, and the bioturbation resulting from the excavation of their underground chambers is directly correlated with substrate oxygenation and ... -
By-Catch Of Commercial Bottom Trawl Fishery From Qatar Waters, Arabian Gulf
Ibrahim, M. A. [محمد امين ابراهيم]; El-Bary, Kamal A.; Al-Khayat, Jassim A. ( Qatar University , 1989 , Article)The by-catch of the bottom trawl fishery from Qatar water, Arabian Gulf was analysed during the year (1987) on bimonthly basis. It was estimated that 496-635 tons were discarded as by-catch which included a lot of commercialy ... -
Chlorophyll-a concentrations in the Arabian Gulf waters of arid region: A case study from the northern coast of Qatar
Sankaran, Rajendran; Al-Naimi, Noora; Al Khayat, Jassim A.; Sorino, Caesar Flonasca; Sadooni, Fadhil N.; Al Saad Al Kuwari, Hamad... more authors ... less authors ( Elsevier , 2022 , Article)Remote sensing of spectrally active Chlorophyll-a (Chl-a) in the gulf water of an arid region is important to understand the spatial and temporal variations of phytoplankton and biomass in the water. This study characterizes ... -
Climate variability and its impact on the spatial distribution of mangroves in Qatar
Pathirana, Sumith; Al-Khayat, Jassim A. ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Mangroves are a unique vegetation community that can adapt to harsh climatic conditions, including in areas of high temperature and high salinity levels. It is an important coastal wetland community in many countries that ... -
The Commercial Value of Fish at Fasht Ad-Dibal and its Associated Biota in the Qatari Waters, Arabian Gulf
Al Ansi, Mohsin A. [محسن عبد الله العنسي]; AL Khayat, Jassim A. [جاسم عبد الله الخياط] ( Qatar University , 2007 , Article)The present study is an attempt to study the fish diversity of Fasht Ad-Dibal in the north-western coast of Qatar. Thirty three species belonging to 25 families were caught using gill nets, gargoors (metal traps) and hand ... -
COVID-19 personal protection equipment (PPE): A potential source of microplastic pollution in the State of Qatar
Veerasingam, Subramanian; Al-Khayat, Jassim A; Vethamony, Ponnumony ( Qatar University Press , 2020 , Poster)Coronavirus disease 2019 (COVID-19) has become a global pandemic. The personal protection equipment (PPE), especially medical face masks and N95 filtering face piece respirators (FFRs) are typically worn by people at ... -
Detection of Wakashio oil spill off Mauritius using Sentinel-1 and 2 data: Capability of sensors, image transformation methods and mapping
Sankaran, Rajendran; Vethamony, Ponnumony; Sadooni, Fadhil N.; Al-Kuwari, Hamad Al-Saad; Al-Khayat, Jassim A.; Seegobin, Vashist O.; Govil, Himanshu; Nasir, Sobhi... more authors ... less authors ( Elsevier , 2021 , Article)Oil spill incidents contaminate water bodies, and damage the coastal and marine environment including coral reefs and mangroves, and therefore, monitoring the oil spills is highly important. This study discriminates the ... -
Diversity of benthic macrofauna and physical parameters of sediments in natural mangroves and in afforested mangroves three decades after compensatory planting
Al‑Khayat, Jassim A.; Abdulla, Maryam A.; Alatalo, Juha M. ( Springer , 2018 , Article)Mangroves in the Arabian Gulf are under pressure from land use change, leading to compensatory planting at sites without natural mangroves. In this study, we examine the potential long-term success of this form of ... -
Exploring Sheraoh Island at South-Eastern Qatar: First Distributional Records of Some Inland and Offshore Biota with Annotated Checklist
Kardousha, Mahmoud M.; Al-Muftah, Abdulrahman; Al-Khayat, Jassim A. ( OMICS International , 2016 , Article)Sheraoh island is the most remote among Qatari islands, nearly 73.5 km south-eastern of the mainland of the peninsula. In March 2010, a preliminary general survey of the species was conducted. Observations were made ... -
Factors influencing the vertical distribution of microplastics in the beach sediments around the Ras Rakan Island, Qatar
Veerasingam, Subramanian; Vethamony, Ponnumony; Aboobacker, Valliyil Mohammed; Giraldes, Amanda Engmann; Dib, Samah; Al-Khayat, Jassim A... more authors ... less authors ( Springer , 2021 , Article)Microplastic (MP) pollution is an emerging environmental problem, particularly in the marine environment, and nations are concerned about this issue. In this study, an attempt has been made to investigate the vertical ... -
Field and laboratory investigation of tarmat deposits found on Ras Rakan Island and northern beaches of Qatar
Arekhi, Marieh; Terry, Leigh G.; John, Gerald F.; Al-Khayat, Jassim A.; Castillo, Azenith B.; Vethamony, Ponnumony; Clement, T. Prabhakar... more authors ... less authors ( Elsevier , 2020 , Article)© 2018 Elsevier B.V. Beaches of Ras Rakan Island, located off the northern tip of Qatar, are extensively contaminated by highly weathered tarmat deposits. The focus of this study is to determine the possible source of the ... -
History of a disaster: A baseline assessment of the Wakashio oil spill on the coast of Mauritius, Indian Ocean
Rajendran, Sankaran; Aboobacker, V. M.; Seegobin, Vashist O.; Al Khayat, Jassim A.; Rangel-Buitrago, Nelson; Al-Kuwari, Hamad Al Saad; Sadooni, Fadhil N.; Vethamony, Ponnumony... more authors ... less authors ( Elsevier , 2022 , Article)Oil spills from tanker ships provide adverse and irreversible impacts of a pollutant over coastal and marine environments. Using Sentinel-1 and 2 satellite images, this baseline paper presents the detection, assessment, ... -
Inverse Adaptive Cluster Sampling with Unequal Selection Probabilities: Case Studies on Crab Holes and Arsenic Pollution
Salehi, Mohammad; Moradi, Mohammad; Al Khayat, Jassim A.; Brown, Jennifer; Yousif, Adil Eltayeb Mohamed ( Wiley Publishing Asia Pty Ltd. , 2015 , Article)Adaptive cluster sampling is an efficient method of estimating the parameters of rare and clustered populations. The method mimics how biologists would like to collect data in the field by targeting survey effort to localised ... -
Molluscan diversity influenced by mangrove habitat in the khors of Qatar
Al-Khayat, Jassim A.; Vethamony, P.; Nanajkar, Mandar ( Springer , 2021 , Article)The Exclusive Economic Zone (EEZ) of Qatar is a rapidly developing region within the Arabian Gulf, where monitoring of changes in benthic biodiversity and its functioning is needed. The influence of mangroves and seasonality ... -
A Preliminary Check-List Of Benthic Mollusca On The Qatari Coasts, Arabian Gulf
Mohamed, S. Z [سعد زكريا محمد]; Al-Khayat, Jassim A. ( Qatar University , 1994 , Article)In this paper, an annotated checklist of the benthic marine Mollusca collected from Qatari coasts, Arabian Gulf, is presented. Localities and habitats are given for the common families of the recorded groups. Gastropoda ... -
Preliminary Study on Coral Reef and Its Associated Biota in Qatari Waters, Arabian Gulf
Al Ansi, Mohsin A. [محسن عبد الله العنسي]; Al-Khayat, Jassim A. ( Qatar University , 1999 , Article)Coral reef grounds and their associated biota m Qatari waters were investigated by Scuba diving. Four selected reef-sites were studied. Coral was presented by 17 species. Descriptive notes of each site and an initial list ... -
Relationship Between Tree Size, Sediment Mud Content, Oxygen Levels, and Pneumatophore Abundance in the Mangrove Tree Species Avicennia Marina (Forssk.) Vierh
Al-Khayat, Jassim A.; Alatalo, Juha M. ( MDPI , 2021 , Article)Mangroves are important in protecting and stabilizing coastal zones. Pneumatophores of the mangrove species Avicennia marina can form a large aboveground complex of aerial roots, which are important in supporting mangrove ... -
Retrieval of suspended sediment concentration (SSC) in the Arabian Gulf water of arid region by Sentinel-2 data
Sankaran, Rajendran; Al-Khayat, Jassim A.; J, Aravinth; Chatting, Mark Edward; Sadooni, Fadhil N.; Al-Kuwari, Hamad Al Saad... more authors ... less authors ( Elsevier B.V. , 2023 , Article)Suspended sediment concentration (SSC) in water increases temperature and turbidity, limits the photosynthesis of aquatic plants, and reduces biologically available oxygen. It is important to study SSC in the coastal waters ... -
Some Macrobenthic Invertebrates in the Qatari Waters, Arabian Gulf
AL Khayat, Jassim A. [جاسم عبد الله الخياط] ( Qatar University , 2005 , Article)Macro-invertebrates from eleven stations along the Qatar Exclosive Economic Zone (EEZ), Arabian Gulf, were studied during December 1998. A total of 52 species were encountered from all stations. Crustaceans were the most ...