Evaluation of selected heavy metal and selenium pollution in water and sediments of Lake Eğirdir (Isparta/Türkiye) using statistical analysis and pollution indices
DOI:
https://doi.org/10.26881/oahs-2024.2.09Keywords:
risk assessment, heavy metals, sediment, water, TürkiyeAbstract
The purpose of this study is to assess heavy metal and selenium pollution in water and sediment of Lake Eğirdir using some indices. The water and sediments have the highest content of Fe. According to Water Quality Index (WQI) results, the lake water is in the good category, while the low pollution category depends on HPI and HEI values. The Enrichment Factor (EF) showed that the sediments contained very high, extremely high and significant levels of Pb, Cr, Cu, Mn, Ni and Fe. The Geoaccumulation Index (Igeo) revealed that Lake Eğirdir was not polluted with Cr, Cu, Fe, Mn, Mo, Ni and Zn. Based on the results of the Contamination Factor (CF), Cr, Cu, Fe, Mn, Mo, Ni and Zn were in the low contamination category. The results of The Pollution Load Index (PLI) for lake sediments indicated no contamination for all metals in all seasons. Sediment quality guidelines were used to determine the possible risk of heavy metal contamination of sediments, and the results show that Cd and Pb were at the minimal effect threshold (MET), while Cr, Cu, Ni and Zn were at the lowest effect levels (LEL). These results indicate that precautions should be taken to prevent an increase in metal pollution and reduce the existing pollution.
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Alahabadi, A., & Malvandi, H. (2018). Contamination and ecological risk assessment of heavy metals and metalloids in surface sediments of the Tajan River, Iran. Marine Pollution Bulletin, 133, 741–749. https://doi.org/10.1016/j. marpolbul.2018.06.030 PMID:30041371.
Al-Ani, M.Y., Al-Nakib, S.M., Ritha, N.M. & Nouri, A.H. (1987). Water quality index applied to the classification and zoning of Al-Jaysh canal, Baghdade-Iraq. J. Environ. Sci. Health. Part A 22(4): 305e319. https://doi.org/10.1080/10934528709375351.
Ali, H., Khan, E., & Ilahi, I. (2019). Environmental chemistry and ecotoxicology of hazardous heavy metals: Environmental persistence, toxicity and bioaccumulation. Journal of Chemistry, 2019, 1–14. https://doi.org/10.1155/2019/6730305.
Alp, A., Akyürek, M., Balık, S. & Ustaoğlu, M. R. (1994). Akşehir Gölü’nün Bazı Biyoekolojik Özelliklerinin Tespiti Projesi Sonuç Raporu, Eğirdir Su Ürünleri Araştırma Enstitüsü Müdürlüğü, Eğirdir (In turkish).
Ameh, E.G. (2013). Geostatistics and heavy metal indexing of surface water around Okaba coal mines, Kogi State, Nigeria. Asian J. Environ. Sci. 8(1): 1e8.
APHA (American Public Health Association). (2005). Standard methods for the examination of water and wastewater. American Public Health Association.
Atıcı, T., Obalı, O., & Calışkan, H. (2005). Control of water pollution and phytoplanktonic algal flora in Bayındır Dam Reservoir (Ankara). EgeJFAS. 22(1-2): 79-82. http://www. egejfas.org/tr/pub/issue/5017/68055.
Baker, R. A. (1980). Contaminants and sediment. Ann Arbor Science.
Balkıs, N., & Algan, O. (2005). Marmara Denizi yüzey sedimentlerinde (Şelf alanı) metallerin birikimi ve denetleyen mekanizmalar. In K. C. Güven & B. Öztürk (Eds.), Deniz Kirliliği Temel Kirleticiler ve Analiz Yöntemleri (pp. 225–251). Tüdav press.
Bamba, T. (1974). Ophiolite from Ergani Mining District, southeastern Turkey. Minería y Geología, 24, 297–305.
Barlas, N., Akbulut, N., & Aydoğan, M. (2005). Assessment of heavy metal residues in the sediment and water samples of Uluabat Lake, Turkey. Bulletin of Environmental Contamination and Toxicology, 74, 286–293. https://doi.org/10.1007/s00128-004-0582-y PMID:15841968.
Başyiğit, B., & Tekin-Özan, S. (2013). Concentrations of some heavy metals in water, sedimet and tissues of pikeperch (Sander lucioperca) from Karataş Lake related to physicochemical parameters, fish size and seasons. Polish Journal of Environmental Studies, 22(3), 633–644.
Binici, A., & Pulatsü, S. (2022). Ecological risk assessment of heavy metals after dredging in Mogan Lake, Turkey. EgeJFAS. 39(3): 197-205. https://www.egejfas.org/tr/pub/ ssue/72350/1066396.
Boyd, C. E., Tucker, C. S., & Somridhivej, B. (2016). Alkalinity and hardness: Critical but elusive concepts in aquaculture. Journal of the World Aquaculture Society, 47(1), 6–41. https://doi.org/10.1111/jwas.12241.
Buat-Menard, P., & Chesselet, R. (1979). Variable influence of the atmospheric flux on the trace metal chemistry of oceanic suspended matter. Earth and Planetary Science Letters, 42(3), 399–411. https://doi.org/10.1016/0012- 821X(79)90049-9.
Bulut, C., & Kubilay, A. (2019). Seasonal change of water quality in Eğirdir Lake (Isparta/Turkey). Ege Üniversitesi Su Ürünleri Dergisi, 36(1), 13–23. https://doi.org/10.12714/egejfas.2019.36.1.02.
Bulut, C. (2015). Investigation of heavy metal levels in water, sediment and some fishery species and stress parameters in Egirdir Lake. Unpublished doctoral dissertation, Süleyman Demirel University, Isparta, Turkey.
Campbell, N. A. & Reece, J. B. (2008). Biology. San Francisco: Pearson Benjamn Cummings, Cengiz, M.F., Kilic, S., Yalcin, F., Kilic, M. & Gurhan Yalcin, M. (2017). Evaluation of heavy metal risk potential in Bogacayi River water (Antalya, Turkey). Environ. Monit. Assess. 189(2017): 248.
Charlesworth, M., & Service, M. (2000). An assessment of metal contamination in northern Irish Coastal sediments. Biology and Environment, 100B(1), 1–12. https://www.jstor.org/stable/20500073.
Çevik, F., Göksu, M. Z. L., Derici, O. B., & Findik, O. (2009). An assessment of metal pollution in surface sediments of Seyhan dam by using enrichment factor, geoaccumulation index and statistical analyses. Environmental Monitoring and Assessment, 152, 309–317. https://doi.org/10.1007/ s10661-008-0317-3 PMID:18478346.
Çomaklı, E. (2023). Evaluation of heavy metal accumulation in sediment, surface water and some plants in the Karasu Riparian Zone. Bulletin of the Chemical Society of Ethiopia, 37(1), 35–45. https://doi.org/10.4314/bcse.v37i1.4.
Din, T. B. (1992). Use of aluminum to normalize heavy metal data from estuarine and coastal sedimans of Straits of Melaka. Marine Pollution Bulletin, 24, 484–491. https://doi. org/10.1016/0025-326X(92)90472-I.
Duncan, D. B. (1955). Multiple range and multiple F tests. Biometrics, 11, 1–41. https://doi.org/10.2307/3001478.
EC. MENVIQ (Environment Canada and Ministere de l’Envionnement du Quebec) (1992). Interim criteria for quality assessment of St. Lawrence River sediment. Environment Canada, Ottawa.
Edet, A. c & Offiong, O. (2002). Evaluation of water quality pollution indices for heavy metal contamination monitoring. A study case from Akpabuyo-Odukpani area, Lower Cross River Basin (Southeastern Nigeria). Geojournal. 57(4): 295-304. http://www.jstor.org/stable/41147740.
Ehiemere, V. C., Ihedioha, J. N., Ekere, N. R., Ibeto, C. N., & Abugu, H. O. (2022). Pollution and risk assessment of heavy metals in water, sediment and fish (Clarias gariepinus) in a fish farm cluster in Niger Delta region, Nigeria. Journal of Water and Health, 20(6), 927–945. https://doi.org/10.2166/ wh.2022.003 PMID:35768968.
Ellis, K. V., White, G., & Warn, A. E. (1989). Surface water pollution and its control. Red Globe Press. https://doi.org/10.1007/978-1-349-09071-6.
Engel, D. W., Sunda, W. G., & Fowler, B. A. (1981). Factors affecting trace metal uptake and toxicity to estuarine organisms, I. Environmental Parameters. In: J. Vernberg., A. Calabrese., F. B. Thurberg & W. B. Vernberg (Eds.), Biological Monitoring of Marine Pollutants (pp. 127-143). New York: Academic Press.[L5]
EPA (United States Environmental Protection Agency). (2018). 2018 Edition of the Drinking Water Standards and Health Advisories. EPA 822-F-18-001. Office of Water U.S. Environmental Protection Agency Washington.
EU (European Union) (2020) Directıve (EU) 2020/2184 of the European Parliament and of the Councıl of 16 December 2020 on the Quality of Water Intended for Human Consumption.
Fan, H., Chen, S., Li, Z., Liu, P., Xu, C., & Yang, X. (2020). Assessment of heavy metals in water, sediment and shellfish organisms in typical areas of the Yangtze River Estuary, China. Marine Pollution Bulletin, 151, 110864. https://doi.org/10.1016/j.marpolbul.2019.110864 PMID:32056645.
Fındık, Ö., & Turan, M. A. (2012). Metal concentrations in surface sediments of Beyler reservoir (Turkey). Bulletin of Environmental Contamination and Toxicology, 88, 193–197. https://doi.org/10.1007/s00128-011-0486-6 PMID:22160166.
Findik, Ö., & Aras, S. (2023). Application of the metal pollution indices on surface waters for assessment of environmental risk: A case study for Damsa reservoir (Cappadocia, Türkiye). International Journal of Environmental Science and Technology, 20, 1689–1698. https://doi.org/10.1007/s13762-022-04102-1.
Fisher, R. A. (1928). The general sampling distribution of the multiple correlation coefficient. Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 121(788), 654–673. https://doi.org/10.1098/rspa.1928.0224.
Foley, J. Y. (1991). Metallogeny of ophiolitic and other maficultramafic terranes in Alaska. Alaska Field Operation Center. Füge, R. (2013). Antropogenic Sources. In O. Selinus (Ed.), Essentials of Medical Geology (pp. 59–74). Springer. https://doi.org/10.1007/978-94-007-4375-5_4.
Göksu, M. Z. L. (2014). Water pollution. Nobel Press. Gülcü-Gür, B., & Tekin-Özan, S. (2017). The investigation of heavy metal levels in water and sediment from Işıklı Lake (Turkey) in relation to seasons and physico-chemical parameters. Journal of Aquaculture Engineering and Fisheries Research, 3(2), 87–96. https://doi.org/10.3153/JAEFR17012.
Güzel, B., Canlı, O., & Aslan, E. (2022). Spatial distribution, source identification and ecological risk assessment of POPs and heavy metals in lake sediments of Istanbul, Turkey. Marine Pollution Bulletin, 175, 113172. https://doi.org/10.1016/j.marpolbul.2021.113172 PMID:34844748.
Hakanson, L. (1980). An ecological risk index for aquatic pollution control a sedimentological approach. Water Research, 14(8), 975–1001. https://doi.org/10.1016/0043-1354(80)90143-8.
Hamilton, S. J. (2004). Review of selenium toxicity in the aquatic food chain. The Science of the Total Environment, 326(1-3), 1–31. https://doi.org/10.1016/j.scitotenv.2004.01.019 PMID:15142762.
Imneisi, I. B., & Aydın, M. (2016). Water Quality Index for main Source of drinking water (Karaçomak Dam) in Kastamonu City, Turkey. Journal of Environmental & Analytical Toxicology, 6(5), 407. https://doi.org/10.4172/2161-0525.1000407.
Irabien, M. J., & Velasco, F. (1999). Heavy metals in Oka river, sediments (Urdaibai National Biosphere Reserve, northern Spain): Lithogenic and antropogenic effects. Environmental Geology (Berlin), 37(1-2), 54–63. https://doi.org/10.1007/s002540050360.
Islam, M. S., Ahmed, M. K., Raknuzzaman, M., Habibullah-AlMamun, M., & Islam, M. K. (2015). Heavy metal pollution in surface water and sediment: A preliminary assessment of an urban river in a developing country. Ecological Indicators, 48, 282–291. https://doi.org/10.1016/j. ecolind.2014.08.016.
Kankılıç, G. B. (2019). Assessment of heavy metal pollution levels in sediment samples of lower catchment area of Kapulukaya Reservoir (Kızılırmak, Kırıkkale). BEU J. Sci. 8(3):903-913. https://dergipark.org.tr/tr/pub/bitlisfen/article/585864.
Kankılıç, G. B., Tüzün, İ., & Kadıoğlu, Y. K. (2013). Assessment of heavy metal levels in sediment samples of Kapulukaya Dam Lake (Kirikkale) and lower catchment area. Environmental Monitoring and Assessment, 185(8), 6739–6750. https://doi.org/10.1007/s10661-013-3061-2 PMID:23315100.
Kaptan, H., & Tekin-Özan, S. (2014). Determination of heavy metals levels in some tissues and organs of carp (Cyprinus carpio L., 1758) living in water, sediment of Eğirdir Lake. SDÜ J. Sci. 9 (2): 44-60. https://dergipark.org.tr/tr/pub/sdufeffd/issue/11280/134794.
Kar, D., Sur, P., Mandai, S., Saha, T., & Kole, R. K. (2008). Assessment of heavy metal pollution in surface water. International Journal of Environmental Science and Technology, 5, 119– 124. https://doi.org/10.1007/BF03326004.
Karaouzas, I., Kapetanaki, N., Mentzafou, A., Kanellopoulos, T. D., & Skoulikidis, N. (2021). Heavy metal contamination status in Greek surface waters: A review with application and evaluation of pollution indices. Chemosphere, 263, 128192. https://doi.org/10.1016/j.chemosphere.2020.128192 PMID:33297157.
Kayrak, Ş., & Tekin-Özan, S. (2018). Determination of heavy metal contents in water, sediments and fish tissues of Tinca tinca in Kovada Lake, Turkey. J. Aquac. Eng. Fish Sci., 4(2), 73–84.
Kerrison, P. H., Annoni, D., Zarini, S., Ravera, O., & Moss, B. (1988). Effects of low concentrations of heavy metals on plankton community dynamics in a small, shallow, fertile lake. Journal of Plankton Research, 10(4), 779–812. https://doi.org/10.1093/plankt/10.4.779.
Kesici, E., & Kesici, C. (2006). The effects of ınterverences in natural structure of Lake Eğirdir (Isparta) to ecological disposition of the Lake. EgeJFAS. 23(1-1):99-103. 10.12714/ egejfas.2006.23.1.5000156786.
Kocataş, A. (2008). Ecology and environmental biology. Ege University Faculty of Science Textbooks Series. Kruger, T. (2008). Effects of zinc, copper and cadmium on Oreochromis mossambicus free-embryos and randomly selected mosquito larvae as biological indicators during acute toxicity testing. Unpublished master dissertation, University of Johannesburg, Johannesburg, South Africa.
Kumar, A., Kumar, A., & Jha, S. K. (2020a). Seasonal pollution of heavy metals in water, sediment and tissues of catfish (Heteropneustes fossilis) from Gogabil Lake of Bihar, India. International Journal of Fisheries and Aquatic Studies, 8(2), 163–175.
Kumar, M., Gupta, N., Ratn, A., Awasthi, Y., Prasad, R., Trivedi, A., & Trivedi, S. P. (2020b). Biomonitoring of heavy metals in River Ganga water, sediments, plant and fishes of different trophic levels. Biological Trace Element Research, 193, 536–547. https://doi.org/10.1007/s12011-019-01736-0 PMID:31044358.
Kumar, V., Parihar, R. D., Sharma, A., Bakshi, P., Singh Sidhu, G. P., Bali, A. S., Karaouzas, I., Bhardwaj, R., Thukral, A. K., Gyasi-Agyei, Y., & Rodrigo-Comino, J. (2019). Global evaluation of heavy metal content in surface water bodies: A meta-analysis using heavy metal pollution indices and multivariate statistical analyses. Chemosphere, 236, 124364. https://doi.org/10.1016/j.chemosphere.2019.124364 PMID:31326755.
Kurt, A., Kander, S., & Çopur, Ö. U. (2022). Determination of the heavy metal levels of well waters used as drinking waters in the rural areas of Bursa City. Gida, 47(2), 199–211. https://doi.org/10.15237/gida.GD22012.
Laxmi Mohanta, V., Naz, A., & Kumar Mishra, B. (2020). Distribution of heavy metals in the water, sediments, and fishes from Damodar river basin at steel city, India: A probabilistic risk assessment. Human and Ecological Risk Assessment, 26(2), 406–429. https://doi.org/10.1080/1080 7039.2018.1511968.
Li, P., Qian, H., Howard, K. W. F., & Wu, J. (2015). Heavy metal contamination of Yellow River alluvial sediments, northwest China. Environmental Earth Sciences, 73, 3403– 3415. https://doi.org/10.1007/s12665-014-3628-4.
Li, Y., Zhou, Q., Ren, B., Luo, J., Yuan, J., Ding, X., Bian, H., & Yao, X. (2020). Trends and health risks of dissolved heavy metal pollution in global river and lake water from 1970 to 2017. Reviews of Environmental Contamination and Toxicology, 251, 1–24. https://doi.org/10.1007/398_2019_27 PMID:31011831.
Lipy, E. P., Hakim, M., Mohanta, L. C., Islam, D., Lyzu, C., Roy, D. C., Jahan, I., Akhter, S., Raknuzzaman, M., & Abu Sayed, M. (2021). Assessment of heavy metals concentration in water, sediment and common fish species of Dhaleshwari River in Bangladesh and their health implications. Biological Trace Element Research, 199, 4295–4307. https://doi.org/10.1007/s12011-020-02552-7 PMID:33491165.
MacDonald, D. D., Ingersoll, C. G., & Berger, T. A. (2000). Development and evaluation of consensus-based sediment quality guidelines for freshwater ecosystems. Archives of Environmental Contamination and Toxicology 39, 20–31. https://doi.org/10.1007/s002440010075 PMID:10790498.
Mason, B. (1966). Principles of Geochemistry. Wiley. Metin Dereli, E., Ertürk, A., & Çakmakçı, M. (2017). The effect of heavy metals in surface water and their relationship with eutrophication. Turkish J. Aqua. Sci., 32(4), 214–231. https://doi.org/10.18864/TJAS201720.
Ministry of Environment and Urban Planning (2008) Water pollution and control regulations in Turkey. Formal Gazette,13.02.2008, No: 26786.
Mohan, S. V., Nithila, P., & Reddy, S. J. (1996). Estimation of heavy metals in drinking water and development of heavy metal pollution index. Journal of Environmental Science and Health. Part A, Environmental Science and Engineering & Toxic and Hazardous Substance Control, 31(2), 283–289. https://doi.org/10.1080/10934529609376357.
Mostert, M. M. R., Ayoko, G. A., & Kokot, S. (2010). Application of chemometrics to analysis of soil pollutants. TrAc. Trends in Analytical Chemistry, 29, 430–445. https://doi. org/10.1016/j.trac.2010.02.009.
Mutlu, E., Kutlu, B., & Demir, T. (2016). Assessment of Çinarlı Stream (Hafik-Sivas)’s water quality via physcio-chemical methods. TURJAF, 4(4), 267–278. https://doi.org/10.24925/turjaf.v4i4.267-278.494.
Müller, G. (1969). Index of geo-accumulation in sediments of the Rhine River. GeoJournal. 2: 108–118.
Müller, G. (1981). Die Schwermetallbelastung der Sedimenten des Neckars und Seiner Nebenflüsse: Eine Bestandsaufnahme. Chem-Ztg, 6, 157–164.
Namminga, H. N., & Wilhm, J. (1976). Effects of high discharge and an oil refinery cleanup operation bon heavy metals in water and sediments in Skeleton Creek. Proceedings of the Oklahoma Academy of Science, 6, 133–138. https://doi.org/10.1007/s10661-007-9896-7.
Pearson, K. (1900). X. On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arısen from random sampling. Philos. The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science, 50(302), 157–175. https://doi.org/10.1080/14786440009463897.
Persaud, D., Jaagumagi, R., & Hayton, A. (1993). Guidelines for protection and management of aquatic sediment quality in Ontario. Water Resources Branch. Ontario Ministry of the Environment., http://hdl.handle.net/10214/15797.
Qiao, D., Wang, G., Li, X., Wang, S., & Zhao, Y. (2020). Pollution, sources and environmental risk assessment of heavy metals in the surface AMD water, sediments and surface soils around unexploited Rona Cu deposit, Tibet, China. Chemosphere, 248, 125988. https://doi.org/10.1016/j. chemosphere.2020.125988 PMID:31995735.
Ramp, L. (1978). Investigations of nickel in Oregon. State of Oregon. Dept. of Geology and Mineral Industries. Saleh, H. N., Panahande, M., Yousefi, M., Asghari, F. B., Oliveri Conti, G., Talaee, E., & Mohammadi, A. A. (2019). Carcinogenic and non-carcinogenic risk assessment of heavy metals in groundwater wells in Neyshabur Plain, Iran. Biological Trace Element Research, 190(1), 251–261. https://doi.org/10.1007/s12011-018-1516-6 PMID:30225757.
Salomons, W. (1993). Adoption of common schemes for single and sequential extractions of trace metal in soils and sediments. International Journal of Environmental Analytical Chemistry, 51(1-4), 3–4. https://doi.org/10.1080/03067319308027607.
Sancer, O., & Tekin-Özan, S. (2016). Seasonal changes of metal accumulation in water, sediment and Phragmites australis (Cav.) Trin. ex Steudel growing in Lake Kovada (Isparta, Türkiye). SDU J. Sci. 11(2):45-60. https://dergipark.org.tr/tr/pub/sdufeffd/issue/27465/290316.
Saygı, Y., & Yiğit, S. A. (2012). Heavy metals in Yeniçağa Lake and its potential sources: Soil, water, sediment, and plankton. Environmental Monitoring and Assessment, 184(3), 1379–1389. https://doi.org/10.1007/s10661-011-2048-0 PMID:21494824.
Schropp, S. J., & Windom, H. L. (1988). A Guide to the Interpretation of Metal Concentrations in Estuarine Sediments. Florida Department of Environmental Protection.
Seal, K., Chaudhuri, H., Pal, S., Srivastava, R. R., & Soldatova, E. (2022). A study on water pollution scenario of the Damodar river basin, India: Assessment of potential health risk using long term database (1980-2019) and statistical analysis. Environmental Science and Pollution Research International, 29, 53320–53352. https://doi.org/10.1007/s11356-022-19402-9 PMID:35287189.
Soares, H. M. V. M., Boaventura, R. A. R., Machado, A. A. S. C., & Esteves da Silva, J. C. G. (1999). Sediments as monitors of heavy metal contamination in the Ave river basin (Portugal): Multivariate analysis of data. Environmental Pollution, 105(3), 311–323. https://doi.org/10.1016/S0269- 7491(99)00048-2 PMID:15093073.
Suresh, G., Ramasamy, V., Meenakshisundaram, V., Venkatachalapathy, R., & Ponnusamy, V. (2011). Influence of mineralogical and heavy metal composition on natural radionuclide concentrations in the river sediments. Applied Radiation and Isotopes, 69, 1466–1474. https://doi. org/10.1016/j.apradiso.2011.05.020 PMID:21636283.
Şener, E., Şener, Ş., & Bulut, C. (2023). Assessment of heavy metal pollution and quality in lake water and sediment by various index methods and GIS: A case study in Beyşehir Lake, Turkey. Marine Pollution Bulletin, 192, 115101. https://doi.org/10.1016/j.marpolbul.2023.115101PMID:37269700.
Şener, Ş., & Şener, E. (2015). Assessment of heavy metal distribution and contamination in the Kovada Lake (Isparta) bottom sediments. J. Nat. Appl. Sci., 19(2), 86–89.
Şener, Ş. (2022). Eğirdir Gölü’nün sürdürülebilir yönetimine yönelik güncel yaklaşımlar. Duvar Press.
Şener, Ş., Davraz, A., & Karagüzel, R. (2013). Evaluating the antropogenic and geologic impacts on waters quality of the Eğirdir Lake, Turkey. Environmental Earth Sciences, 70, 2527–2544. https://doi.org/10.1007/s12665-013-2296-0.
Şener, Ş., Davraz, A., & Karagüzel, R. (2014). Assesment of trace metal contents in water and bottom sediments from Eğirdir Lake, Turkey. Environmental Earth Sciences, 71, 2807–2819. https://doi.org/10.1007/s12665-013-2659-6.
Şener, Ş., Elitok, Ö., Şener, E., & Davraz, A. (2011). An investigation of Mn contents in water and bottom sediments from Eğirdir Lake, Turkey. J. Eng. Sci. Design., 1(3), 145–149. https://dergipark.org.tr/tr/download/article-file/195356.
Tanyolaç, J. (2011). Limnology. Hatiboğlu Press. Tekin-Özan, S. (2008). Determination of heavy metal levels in water, sediment and tissues of tench (Tinca tinca L., 1758) from Beyşehir Lake (Turkey). Environmental Monitoring and Assessment, 145, 295–302. https://doi.org/10.1007/s10661-007-0038-z PMID:18046616.
Tekin-Özan, S. (2021). Determination of heavy metals in water, sediment and some tissues of carp (Cyprinus carpio L., 1758) living in Oymapınar Dam Lake’s (Antalya). Acta. Aquat. Turc., 17(4), 596–609. https://doi.org/10.22392/actaquatr.940349.
Tepe, Y., & Boyd, C. E. (2001). A sodium-nitrate-based, watersoluble, granular fertilizer fors port fish ponds. North American Journal of Aquaculture, 63(4), 328–332. https:// afspubs.onlinelibrary.wiley.com/doi/full/10.1577/15488454%282001%29063%3C0328%3AASNBWS%3E2.0.CO %3B2.
Tepe, Y., & Boyd, C. E. (2003). A reassessment of nitrogen fertilization for sunfish ponds. Journal of the World Aquaculture Society, 34(4), 505–511. https://doi.org/10.1111/j.1749-7345.2003.tb00089.x.
Tian, K., Wu, Q., Liu, P., Hu, W., Huang, B., Shi, B., Zhou, Y., Kwon, B. O., Choi, K., Ryu, J., Seong Khim, J., & Wang, T. (2020). Ecological risk assessment of heavy metals in sediments and water from the coastal areas of the Bohai Sea and the Yellow Sea. Environment International, 136, 105512. https:// doi.org/10.1016/j.envint.2020.105512 PMID:31999973.
Tokatlı, C., & Ustaoğlu, F. (2020). Health risk assessment of toxicants in Meriç River Delta Wetland, Thrace Region, Turkey. Environmental Earth Sciences, 79, 426. https://doi.org/10.1007/s12665-020-09171-4.
Tokatlı, C., & Islam, M. S. (2022). Spatiotemporal variations and bio-geo-ecological risk assessment of heavy metals in sediments of a wetland of international importance in Turkey. Arabian Journal of Geosciences, 15, 121. https://doi.org/10.1007/s12517-021-09227-0.
Tomlinson, D. L., Wilson, J. G., Harris, C. R., & Jeffrey, D. W. (1980). Problems in the assessment of heavy-metal levels in estuaries and the formation of a pollution index. Helgoländer Wissenschaftliche Meeresuntersuchungen, 33, 566–575. https://doi.org/10.1007/BF02414780.
TSE (Turkish Standardization Institute). (2005). Water intended for human consumption - TS266 (In Turkish).
Tunca, E. U. (2016). Heavy metal accumulation water, sediment and evaluation of antropogenic sediment contamination in Beyşehir Lake. Ordu University J. Sci. Technol. 6(2): 205-219. https://dergipark.org.tr/tr/pub/ordubtd/ıssue/27365/287992.
Türkmen, A., & Türkmen, M. (2004). The seasonal variation of heavy metal in the suspended particulate material in the Iskenderun Bay (North-eastern Mediterranean Sea, Turkey. EgeJFAS., 21(3-4), 307–311.
UNEP (United Nations Environment Programme). (1984) Determination of total cadmium, zinc, lead and copper in selected marine organisms by flameless atomic absorption spectrophotometry reference methods for marine pollution studies. No:11, Rev1. https://wedocs. unep.org/20.500.11822/28494.
Uruç, K., Demirezen-Yılmaz, D., & Akbulut, H. (2008). Effect of different pH on nickel absorbtion and amount of chlorophyll of Lemna gibba L. and Lemna minör L. Research Journal of Biological Sciences, 1(2), 13–15.
Usero, J., Izquierdo, C., Morillo, J., & Gracia, I. (2004). Heavy metals in fish (Solea vulgaris, Anguilla anguilla and Liza aurata) from salt marshes on the southern Atlantic coast of Spain. Environment International, 29(7), 949–956. https://doi.org/10.1016/S0160-4120(03)00061-8 PMID:14592572.
Ustaoğlu, F., & Aydın, H. (2020). Health risk assessment of dissolved heavy metalsin surface water in a subtropical rivers basin system of Giresun (North – eastern Turkey). Desalination and Water Treatment, 194, 222–234. https://doi.org/10.5004/dwt.2020.25900.
Ustaoğlu, F. (2020). Evaluation of the effect of dissolved metals detected in Değirmendere Dam (Amasya, Turkey) on drinking and irrigation water quality. Turkish Journal of Agriculture-Food Science and Technology., 8(12), 2729–2737. https://doi.org/10.24925/turjaf.v8i12.2729-2737.4019.
Ustaoğlu, F. (2021). Ecotoxicological risk assessment and source identification of heavy metals in the surface sediments of Çömlekci stream, Giresun, Turkey. Environmental Forensics, 22(1-2), 130–142. https://doi.org/10.1080/15275922.2020.1806148.
Ustaoğlu, F., & Tepe, Y. (2019). Water quality and sediment contamination asssessment of Pazarsuyu Stream, Turkey using multivariate statistical methods and pollution indicators. International Soil and Water Conservation Research, 7, 47–56. https://doi.org/10.1016/j. iswcr.2018.09.001.
Uysal, K., Köse, E., Bülbül, M., Dönmez, M., Erdoğan, Y., Koyun, M., Ömeroğlu, C., & Özmal, F. (2009). The comparison of heavy metal accumulation ratios of some fish species in Enne Dame Lake (Kütahya/Turkey). Environmental Monitoring and Assessment, 157, 355–362. https://doi. org/10.1007/s10661-008-0540-y PMID:18843546.
Varol, S., & Davraz, A. (2015). Evaluation of the groundwater quality with WQI (Water Quality Index) and multivariate analysis: A case study of the Tefenni plain (Burdur/Turkey). Environmental Earth Sciences, 73(4), 1725–1744. https://doi.org/10.1007/s12665-014-3531-z.
Vu, C. T., Lin, C., Nguyen, K. A., Shern, C. C., & Kuo, Y. M. (2018). Ecological risk assessment of heavy metals sampled in sediments and water of the Houjing River. Taiwan. Environmental Earth Sciences, 77, 388. https://doi. org/10.1007/s12665-018-7573-5.
Wagner, A., & Boman, J. (2003). Biomonitoring of trace elements in muscle and liver tissue of freshwater fish. Spectrochimica Acta. Part B, Atomic Spectroscopy, 58, 2215– 2226. https://doi.org/10.1016/j.sab.2003.05.003.
Web 1.(2021). https://tr.wikipedia.org/wiki/Kadmiyum. Accessed 01 January 2021.
Web 2. (2022). https://tr.wikipedia.org/wiki/Krom. Accessed 01 January 2022.
Weiner, E. R. (2008). Applications of environmental aquatic chemistry: A Practical Guide. CRC Press. https://doi.org/10.1201/9781420008371.
Wetzel, R. G. (2001). Limnology, Lake and reservoir Ecosystems. Academic Press.
WHO. (World Health Organization). (2017). Guidelines For Drinking-Water Quality, 4th Edition, Incorporating the 1st addendum.
WHO. (World Health Organization). (2011). Guidelines for Drinking-Water Quality. 4th Edition.
Xiao, J., Jin, Z., & Wang, J. (2014). Geochemistry of trace elements and water quality assessment of natural water within the Tarim River Basin in the extreme arid region NW China. Journal of Geochemical Exploration, 136, 118–126. https://doi.org/10.1016/j.gexplo.2013.10.013.
Xu, J., Chen, Y., Zheng, L., Liu, B., Liu, J., & Wang, X. (2018). Assessment of heavy metal pollution in the sediment of the main tributaries of Dongting Lake, China. Water (Basel), 10, 1060. https://doi.org/10.3390/w10081060.
Yadav, A. K., Khan, P., & Sharma, S. K. (2012). Water quality index assessment of groundwater in Todaraisingh Tehsil of Rajasthan State, India-A Greener Approach. E-Journal of Chemistry. Advance online publication. https://doi.org/10.1155/2010/419432.
Yang, F., Zhang, H., Xie, S., Wei, C., & Yang, X. (2023). Concentrations of heavy metals in water, sediments and aquatic organisms from a closed realgar mine. Environmental Science and Pollution Research International, 30, 4959–4971. https://doi.org/10.1007/s11356-022-22563-2 PMID:35976583.
Yongming, H., Peixuan, D., Junji, C., & Posmentier, E. S. (2006). Multivariate analysis of heavy metal contamination in urban dusts of Xi’an, Central China. The Science of the Total Environment, 355(1-3), 176–186. https://doi.org/10.1016/j.scitotenv.2005.02.026 PMID:15885748.
Yozukmaz, A., & Yabanlı, M. (2023). Heavy metal contamination and potential ecological risk assessment in sediments of Lake Bafa (Turkey). Sustainability (Basel), 15, 9969. https:// doi.org/10.3390/su15139969.
Yuan, Q., Wang, P., Wang, C., Chen, J., Wang, X., Liu, S., & Feng, T. (2019). Metal and metalloids distribution, source identification, and ecological risks in riverbed sediments of the Jinsha River. Journal of Geochemical Exploration, 205, 106334. https://doi.org/10.1016/j.gexplo.2019.106334.
Zhuang, W., Liu, Y., Chen, Q., Wang, Q., & Zhou, F. (2016). A new index for assessing heavy metal contamination in sediments of the Beijing-Hangzhou Grand Canal (Zaozhuang Segment): A case study. Ecological Indicators, 69, 252–260. https://doi.org/10.1016/j.ecolind.2016.04.029.