ORCID "0000-0001-6475-0570" Meslek Yüksekokulları için listeleme
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Accumulation of trace elements in muscle, gill and liver of fish species (Capoeta umbla and Luciobarbus mystaceus) in the Tigris River (Turkey), and health risk assessment
Varol, Memet; Kaçar, Emel; Karadede Akın, Hülya (Elsevier, 2020)Two fish species (Capoeta umbla and Luciobarbus mystaceus) were collected from the Tigris River (Turkey), and tissues (gill, muscle and liver) of fish samples were analyzed for Cd, As, Mn, Cr, Cu, Co and Ni using the ... -
Arsenic and trace metal concentrations in different vegetable types and assessment of health risks from their consumption
Varol, Memet; Gündüz, Kazım; Sünbül, Muhammet Raşit; Aytop, Halil (Elsevier, 2022)The levels of 12 trace metal (loid)s (TMs) in 10 vegetable types including leafy vegetables (purslane, purple basil and parsley) and fruiting vegetables (pepper, tomato, eggplant, cucumber, zucchini, green bean and melon) ... -
Arsenic and trace metals in a large reservoir: Seasonal and spatial variations, source identification and risk assessment for both residential and recreational users
Varol, Memet (Elsevier, 2019)The Keban Dam Reservoir in Turkey is an internationally important reservoir, because it is located on the Euphrates River, which is an important transboundary river. Water samples were seasonally collected from 11 sampling ... -
Characteristics of effluents from trout farms and their impact on water quality and benthic algal assemblages of the receiving stream
Varol, Memet; Balcı, Mustafa (Elsevier, 2020)In this study, characteristics of effluents from three flow-through rainbow trout farms in Turkey and their impact on water quality and epilithic algal communities of the receiving stream were investigated. Water samples ... -
CO2 emissions from hydroelectric reservoirs in the Tigris River basin, a semi-arid region of southeastern Turkey
Varol, Memet (Elsevier, 2019)Three hydroelectric reservoirs (Kralkizi, Dicle and Batman) in the Tigris River basin (Turkey) were sampled monthly during one year in order to reveal spatial and seasonal changes in aqueous partial pressure of CO2 (pCO(2)) ... -
A comparison of trace element concentrations in surface and deep water of the Keban Dam Lake (Turkey) and associated health risk assessment
Canpolat, Özgür; Varol, Memet; Öztekin Okan, Özlem; Eriş, Kürşad Kadir; Çağlar, Metin (Elsevier, 2020)Keban Dam Lake (KDL) is the second largest dam lake in Turkey. There have been some reports on the trace element (TE) levels in surface water of the KDL, but its deep water has been never studied. We measured 17 TEs (Pb, ... -
Environmental contaminants in fish species from a large dam reservoir and their potential risks to human health
Varol, Memet; Raşit Sünbül, Muhammet (Elsevier, 2019)The residue levels of antibiotics, metals and organochlorine pesticides (OCPs) were investigated in six fish species from the Karakaya Dam Reservoir, Turkey. Among monitored antibiotics, only enrofloxacin and ofloxacin ... -
Environmental, ecological and health risks of trace elements, and their sources in soils of Harran Plain, Turkey
Varol, Memet; Sünbül, Muhammet Raşit; Aytop, Halil; Yılmaz, Cafer Hakan (Elsevier, 2020)Soil pollution with trace elements (TEs) has become an increasingly serious environmental concern, however, assessment of ecological and human health risks especially in intensive agricultural regions remains limited. In ... -
Environmental, ecological and health risks of trace metals in sediments of a large reservoir on the Euphrates River (Turkey)
Varol, Memet (Elsevier, 2020)The contents of trace metals (Cd, As, Pb, Cr, Cu, Zn, Ni, Co, Mn and Fe) in sediment samples from eleven sampling sites in The Keban Dam Reservoir, which is Turkey's second biggest reservoir, were examined to evaluate ... -
Evaluation of health risks from exposure to arsenic and heavy metals through consumption of ten fish species
Varol, Memet; Kaya, Gülderen Kurt; Sünbül, Muhammet Raşit (Springer, 2019)In this study, the levels of 11 heavy metal(loid)s (HMs) were determined in ten different fish species (wild, farmed, freshwater, and marine) frequently consumed in Turkey and compared with the maximum permissible limits ... -
Impact of paddy fields on water quality of Gala Lake (Turkey): An important migratory bird stopover habitat
Varol, Memet (Elsevier, 2021)Gala Lake is an internationally important lake due to its location on one of the world's most important bird migration routes. For this reason, water quality of the lake is of great concern. However, the lake surrounded ... -
Impact of the COVID-19 lockdown period on surface water quality in the Meriç-Ergene River Basin, Northwest Turkey
Tokatlı, Cem; Varol, Memet (Elsevier, 2021)The surface water resources in the Meriç-Ergene River Basin, especially Ergene River and Çorlu Stream are among the most polluted rivers in Turkey. Despite the action plans for prevention and control of surface water ... -
Impacts of cage fish farms in a large reservoir on water and sediment chemistry
Varol, Memet (Elsevier, 2019)The Keban Reservoir, which is the second man-made waterbody in Turkey, has the biggest rainbow trout production in the country. In this study, the impacts of rainbow trout farms on water and sediment chemistry were ... -
Levels of metals and elements in tissues of fish species in the Kızılırmak River (Turkey) and assessment of health risks and nutritional benefits
Varol, Memet; Kaçar, Emel; Sünbül, Muhammet Raşit; Md Towfiqul Islam, Abu Reza (Elsevier, 2022)Although the Kızılırmak River, the longest river in Turkey, is home to many fish species, there are a few studies reporting metal levels in fish in the river. The contents of 17 metals and elements (MEs) in various tissues ... -
Macroelements and toxic trace elements in muscle and liver of fish species from the largest three reservoirs in Turkey and human risk assessment based on the worst-case scenarios
Varol, Memet; Sünbül, Muhammet Raşit (Elsevier, 2020)Macroelement (Na, K, Ca, Mg and P) and toxic trace element (As, Cd and Pb) contents were investigated in muscle and liver of the two fish species (common carp and trout barb) from the largest three reservoirs (Atatürk, ... -
Phytoplankton functional groups in a monomictic reservoir: seasonal succession, ecological preferences, and relationships with environmental variables
Varol, Memet (Springer, 2019)The seasonal succession of phytoplankton functional groups (PFGs), their ecological preferences, relationships between environmental variables and PFGs, and ecological status were investigated in the Batman Dam Reservoir, ... -
Pollution status, potential sources and health risk assessment of arsenic and trace metals in agricultural soils: A case study in Malatya province, Turkey
Varol, Memet; Gündüz, Kazım; Sünbül, Muhammet Raşit (Elsevier, 2021)We measured the concentrations of arsenic and 11 trace metals in the soils from vegetable fields in Malatya province (Turkey) and assessed health risks for residential adults and children. Also, we assessed their potential ... -
Seasonal variations of toxic metal(loid)s in groundwater collected from an intensive agricultural area in northwestern Turkey and associated health risk assessment
Varol, Memet; Tokatlı, Cem (Elsevier, 2022)İpsala district located in the northwest of Turkey is an intensive agricultural area, where paddy cultivation has been carried out for more than 50 years. The main source for drinking water in the area is groundwater. Since ... -
Sediment contamination by trace elements and the associated ecological and health risk assessment: A case study from a large reservoir (Turkey)
Canpolat, Özgür; Varol, Memet; Öztekin Okan, Özlem; Eriş, Kürşad Kadir (Elsevier, 2022)Although Keban Reservoir (KR) is Turkey's the second largest man-made reservoir, limited data are available on the contents of trace elements (TEs) in sediments of the KR. The concentrations of 23 less- and commonly-monitored ... -
Spatio-temporal changes in surface water quality and sediment phosphorus content of a large reservoir in Turkey
Varol, Memet (Elsevier, 2020)The Keban Dam Reservoir, located on the Euphrates River, is the second largest reservoir of Turkey. Water quality of this reservoir is of great importance because it is widely used for recreation, aquaculture production, ...