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  1. Article

    Open Access

    Toxicological risk assessment using spring water quality indices in plateaus of Giresun Province/Türkiye: a holistic hydrogeochemical data analysis

    Water scarcity is a growing concern due to rapid urbanization and population growth. This study assesses spring water quality at 20 stations in Giresun province, Türkiye, focusing on potentially toxic elements...

    Selin Karadeniz, Fikret Ustaoğlu, Handan Aydın in Environmental Geochemistry and Health (2024)

  2. No Access

    Article

    Spatiotemporal variations, health risk assessment, and sources of potentially toxic elements in potamic water of the Anday Stream Basin (Türkiye), Black Sea Region

    Monitoring and protecting freshwater habitats are paramount for a sustainable water management perspective. This study investigated potentially toxic elements (PTEs) in the potamic water of the Anday Stream Ba...

    Cem Tokatli, Ekrem Mutlu, Fikret Ustaoğlu in Environmental Monitoring and Assessment (2024)

  3. No Access

    Article

    Ecological and health risk assessment and quantitative source apportionment of dissolved metals in ponds used for drinking and irrigation purposes

    In this study, dissolved metal levels of 10 different ponds used as irrigation and drinking water sources in the north of Saros Bay (Türkiye) were evaluated using multivariate statistical methods, contaminatio...

    Cem Tokatlı, Memet Varol, Fikret Ustaoğlu in Environmental Science and Pollution Research (2023)

  4. No Access

    Article

    Potentially hazardous elements in sediments and Ceratophyllum demersum: an ecotoxicological risk assessment in Miliç Wetland, Samsun, Türkiye

    Potentially hazardous elements (PHEs) are non-biodegradable and accumulate in places like water, soil, and plants where they endanger environmental health. There are a considerable number of wetlands having bo...

    Halim Topaldemir, Beyhan Taş, Bayram Yüksel in Environmental Science and Pollution Resear… (2023)

  5. No Access

    Article

    Ecological Risk Assessment of Metals in Sediments from Three Stagnant Water Bodies in Northern Turkey

    In recent years, anthropogenic activities have caused metal pollution in the sediments of stagnant water bodies, and thus threatening aquatic ecosystems and human health. Therefore, determining the potential e...

    Memet Varol, Fikret Ustaoğlu, Cem Tokatlı in Current Pollution Reports (2022)

  6. Article

    Assessment of the effects of COVID-19 lockdown period on groundwater quality of a significant rice land in an urban area of Türkiye

    In the current research, the impact of the COVID-19 lockdown period on groundwater quality of Lower Meriç Plain (Thrace Region of Türkiye) was evaluated. Some significant nutrient characteristics (NO3, NO2, and...

    Cem Tokatli, Ahmet Miraç Titiz in Environmental Science and Pollution Resear… (2022)

  7. No Access

    Article

    Spatial–temporal distribution and pollution indices of heavy metals in the Turnasuyu Stream sediment, Turkey

    The potential contamination levels and human health risk of heavy metals in sediment of the Turnasuyu Stream in Ordu, Turkey, were evaluated comprehensively by taking seasonal samples from three different loca...

    Yalçın Tepe, Arife Şimşek, Fikret Ustaoğlu in Environmental Monitoring and Assessment (2022)

  8. No Access

    Article

    Evaluation of metal accumulation in Terme River sediments using ecological indices and a bioindicator species

    Freshwater resources are hotspot areas for sustainable water use. Surface sediment samples from four stations in Terme River were collected seasonally between April 2019 and January 2020. Sample collection fro...

    Fikret Ustaoğlu, Serkan Kükrer, Beyhan Taş in Environmental Science and Pollution Resear… (2022)

  9. No Access

    Article

    Integrated Spatial Distribution and Multivariate Statistical Analysis for Assessment of Ecotoxicological and Health Risks of Sediment Metal Contamination, Ömerli Dam (Istanbul, Turkey)

    The accumulation, distribution, and contamination status of metals in the Ömerli Dam sediments were investigated using ecotoxicological and human health indexes in this study. Identifying potential sources of ...

    Hüseyin Cüce, Erkan Kalipci, Fikret Ustaoğlu in Water, Air, & Soil Pollution (2022)

  10. No Access

    Article

    Ecological and probabilistic human health hazard assessment of heavy metals in Sera Lake Nature Park sediments (Trabzon, Turkey)

    Sera Lake Nature Park (SLNP) is an important recreational wetland taken under preservation due to its vegetation, fish fauna, and water existence. The main objectives of this study were to determine the distri...

    Fikret Ustaoğlu, Md Saiful Islam, Cem Tokatli in Arabian Journal of Geosciences (2022)

  11. No Access

    Article

    Ecotoxicological risk assessment for sediments of Çavuşlu stream in Giresun, Turkey: association between garbage disposal facility and metallic accumulation

    The objective of this paper was to stress the possible potential toxic element (PTE) accumulation in the surface sediments of the Çavuşlu Stream (ÇS), as well as examining the source identification of whether ...

    Bayram Yüksel, Fikret Ustaoğlu, Cem Tokatli in Environmental Science and Pollution Resear… (2022)

  12. No Access

    Article

    Multivariate statistical and spatial assessment of water quality from a dam threatened by drought at the mid-Anatolia, Cappadocia/Turkey

    Tatlarin dam lake is an important watershed of the Central Anatolia (Cappadocia) Region, which has experienced the effects of global warming on a large scale in recent years. The aim of this research is to inv...

    Hüseyin Cüce, Erkan Kalipci, Fikret Ustaoğlu in Arabian Journal of Geosciences (2022)

  13. No Access

    Article

    Comprehensive assessment of water quality and associated health risk by using physicochemical quality indices and multivariate analysis in Terme River, Turkey

    The ecosystem and water quality of Terme River, an essential drinking and irrigation water source in the region, are at risk due to anthropogenic pressures. Therefore, the present study aim to present a compre...

    Fikret Ustaoğlu, Beyhan Taş, Yalçın Tepe in Environmental Science and Pollution Resear… (2021)

  14. No Access

    Article

    Health risk assessment of toxicants in Meriç River Delta Wetland, Thrace Region, Turkey

    In the current research, water quality of Meriç River Delta was evaluated using some toxic element risk assessment indices. Samples were collected from 24 locations and nickel (Ni), chromium (Cr), arsenic (As)...

    Cem Tokatli, Fikret Ustaoğlu in Environmental Earth Sciences (2020)