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السجلات المعروضة 156 -- 175 من 466
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Extending the southern range of four shrimps (Crustacea: Decapoda: Stenopodidae, Hippolytidae and Alpheidae) in southwestern Atlantic (27oS) and confirming the presence of Mediterranean Stenopus spinosus Risso, 1827 in Brazil
( Zootaxa , 2015 , Article)In subtidal zones, certain shrimp species with cryptic behaviour represent a gap in the biodiversity description in many places in the world. This study extends the southern limit of Stenopus hispidus (Oliver, 1811), Alpheus ... -
Extraction and Evaluation of Lineaments From DEMs Generated from Different Bands of Microwave Data and Optical Data: A Case Study for Jahazpur Area, Bhilwara, India
( CRC Press , 2023 , Book chapter)This study extracts and examines lineaments from microwave and optical remote sensing data. The study discusses two DEMs of the Jahazpur area, Bhilwara, India, generated from C-band microwave data of Sentinel-1A and L-band ... -
Extreme 15N Depletion in Seagrasses
( Springer New York LLC , 2016 , Article)Seagrass beds form an important part of the coastal ecosystem in many parts of the world but are very sensitive to anthropogenic nutrient increases. In the last decades, stable isotopes have been used as tracers of ... -
Extreme value analysis of wave climate around Farasan Islands, southern Red Sea
( Elsevier , 2020 , Article)The study investigates extreme value analysis of wave climate around the Farasan islands’ protected coastal zone in the southern Red Sea. It provides an overall idea of the extreme wave conditions in the southern Red Sea, ... -
Fabrication of low emissivity paint for thermal/NIR radiation insulation for domestic applications
( Elsevier , 2022 , Article)Recently, low-emissivity paint has gained more importance than commercial paints. Low emissivity (Low-E) Paint also termed as a coating for radiation control, in which the emissivity of radiations of longer waves are reduced ... -
Facies architecture and depositional model for a fine-grained hybrid-energy delta: An example from the Upper Cambrian to Lower Ordovician Barik Formation, Central Oman
( Wiley , 2021 , Article)Recognizing ancient deltas' depositional architecture is challenging due to the complex interplay of the fluvial, waves, and tidal processes. The integration of field-based sedimentological and trace fossils studies of the ... -
Factors influencing the vertical distribution of microplastics in the beach sediments around the Ras Rakan Island, Qatar
( 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 ... -
Faunal mediated carbon export from mangroves in an arid area
( Elsevier , 2020 , Article)The outwelling paradigm argues that mangrove and saltmarsh wetlands export much excess production to downstream marine systems. However, outwelling is difficult to quantify and currently 40–50% of fixed carbon is unaccounted ... -
Feeding on intertidal microbial mats by postlarval tiger shrimp, Penaeus semisulcatus De Haan
( Springer Berlin / Heidelberg , 2009 , Article)A series of experiments investigated the potential role of microbial mats in nutrition of the early settlement stages of Penaeus semisulcatus. From 3 days post-metamorphosis, the microbial mat supported high growth and ... -
Feminization of hawksbill turtle hatchlings in the twenty-first century at an important regional nesting aggregation
( Inter Research , 2021 , Article)Projected climate change is forecasted to have significant effects on biological systems worldwide. Marine turtles in particular may be vulnerable, as the sex of their offspring is determined by their incubating temperature, ... -
Feminization of hawksbill turtle hatchlings in the twenty-first century at an important regional nesting aggregation
( Qatar University Press , 2021 , Poster)Projected climate change is forecasted to have significant effects on biological systems worldwide. Marine turtles in particular may be vulnerable, as the sex of their offspring is determined by their incubating temperature. ... -
Field and laboratory investigation of tarmat deposits found on Ras Rakan Island and northern beaches of Qatar
( 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 ... -
First genotoxicity assessment of marine environment in Qatar using the local Pearl oyster Pinctada radiata
( 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 ... -
First Impact Assessment of Genotoxic Components in the Qatari Marine Environment
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The Arabian Gulf is a semi-enclosed sea with very high evaporation and low discharge rates resulting in extreme saline and thermal conditions. Additionally the system is characterized by a weak hydrodynamic flushing resulting ... -
First jellyfish records for Qatar and further notes on Scyphomedusae species from the Arabian Gulf (Cnidaria, Scyphozoa)
( Cambridge University Press , 2023 , Article)This study focused on a jellyfish monitoring and sampling programme along the eastern Qatar seawaters and reports the first jellyfish records for the Qatar pelagic ecosystem and the occurrence of three scyphozoans: the ... -
The first record of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Ctenophora: Coeloplanidae) in the ArabianPersian Gulf
( Elsevier , 2019 , Article)This report presents the first occurrence of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Thiel, 1968) in the western part of the Arabian-Persian Gulf, extending its range to 2000km, a record that ... -
Fish communities and environmental variables during dry season in Pampanga estuary (Philippines)
( Elsevier , 2020 , Article)Baseline assessment of fish communities and selected environmental variables (salinity, water temperature, water transparency, current speed, total suspended solid, chlorophyll a) was conducted in Pampanga estuary (Philippines) ... -
The fishing behaviour of Metopograpsus messor (Decapoda: Grapsidae) and the use of pneumatophore-borne vibrations for prey-localizing in an arid mangrove setting
( Cambridge University Press , 2019 , Article)This study presents the first documented observations of a brachyuran crab's proactive fishing behaviour in conjunction with mangrove pneumatophores which are employed as prey-localization devices. All ecological data were ... -
Food web structure of three Mediterranean stream reaches along a gradient of anthropogenic impact
( Springer , 2020 , Article)Anthropogenic impact can alter food web structure through changes in species interactions. In this study, we explored the food web of three Mediterranean stream reaches (two seasonal and one permanent) along an anthropogenic ... -
Forecasting Domestic Water Demand Using Meteorological and Satellite Data: Case Study of Greater Beirut Area
( Springer. W. , 2022 , Book chapter)Greater Beirut Area (GBA) is expected to suffer from various socio-economic burdens caused by climate change impacts, including those related to rising temperatures, reduced water availability, increased heat waves and ...