Browsing Research Units by Author "Al Khayat, Jassim A."
Now showing items 1-14 of 14
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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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Sources, spatial distribution and characteristics of marine litter along the west coast of Qatar
S., Veerasingam; Al-Khayat, Jassim A.; Aboobacker, V.M.; Hamza, Shafeeq; Vethamony, P. ( Elsevier , 2020 , Article)The spatial distribution, sources and characteristics of marine litter (ML) from 36 locations spread over 12 beaches along the west coast of Qatar have been assessed. A total of 2376 ML items with varying sizes were found ... -
Spatial distribution, structural characterization and weathering of tarmats along the west coast of Qatar
S., Veerasingam; Al-Khayat, Jassim A.; Haseeba, K.P.; Aboobacker, V.M.; Hamza, Shafeeq; Vethamony, P.... more authors ... less authors ( Elsevier , 2020 , Article)Oil pollution resulting from natural and anthropogenic activities in the Arabian Gulf as well as oil residue in the form of tarmat (TM) deposited on the coast is a major environmental concern. The spatial distribution, ... -
WorldView-3 mapping of Tarmat deposits of the Ras Rakan Island, Northern Coast of Qatar: Environmental perspective
Sankaran, Rajendran; Al-Khayat, Jassim A.; Veerasingam, S.; Nasir, Sobhi; Vethamony, P.; Sadooni, Fadhil N.; Al-Kuwari, Hamad Al-Saad... more authors ... less authors ( Elsevier , 2021 , Article)This study characterizes the spectral behavior of tarmats and maps the tarmat deposits found along the coast of Ras Rakan Island off Qatar using WorldView-3 (WV-3) sensor data. The laboratory spectra of tar materials showed ...