The study was conducted in order to assess the spatiotemporal variations of selected water quality parameters, impact analysis, and trophic status on the Edremit shores of Lake Van. Water samples were collected from 10 representative sampling stations taken from the influent, effluent, and from Lake Van itself in order to analyze the physicochemical parameters in both dry and wet seasons. The trophic status of the lake was determined using Carlson trophic state index. Impact analysis was conducted based on the method most commonly used in management strategies related to surface waters in Turkey. The results of the study show that five factors obtained from principal component indicated that the parameters responsible for water quality changes were mostly related to salts and soda, physicochemical parameters, point and diffuse pollutions discharge, and other organic pollutants. In the impact analysis pH, COD (chemical oxygen demand), BOD (biological oxygen demand), and TP (total phosphorus) (except for EC (electrical conductivity)) parameters were found to have medium impact, while DO (dissolved oxygen) and TN (total nitrogen) parameters had no impact. The pH, EC, SO4−2, Cl−, TP, COD, and BOD values measured at 10 sampling stations were considered to be Class IV according to national regulations. The final trophic status of lake, according to the Carlson trophic index, was assessed to be eutrophic. Understanding this variation is important so as to develop new ways to resolve issues of sustainable water management. In addition, it is considered essential to prepare guidelines for the trophic status of Lake Van.
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APHA (American Public Health Association). (1999). Standard Methods for the Examination of Water and Wastewater (20th ed.). Washington D.C..
Arheimer, B., Andersson, L., Larsson, M., Lindström, G., Olsson, J., & Pers, B. C. (2004). Modelling diffuse nutrient flow in eutrophication control scenarios. Water Science and Technology, 49(3), 37–45.
Barakat, A., El Baghdadi, M., Rais, J., Aghezzaf, B., & Slassi, M. (2016). Assessment of spatial and seasonal water quality variation of Oum Er Rbia River (Morocco) using multivariate statistical techniques. International Soil and Water Conservation Research, 4(4), 284–292.
Bayram, A. (2017). Water quality of the Değirmendere stream, drinking water source of Trabzon Province, Turkey. Desalination and Water Treatment, 62, 120–139.
Bilgili, A., Yarsan, E., Sağmanlıgil, H., Çetinkaya, N., & Türel, İ. (1995). The natural quality of Van Lake and the levels of some heavy metals in grey mullet (Chalcalburus tariehi, Pallas 1811) samples taken from this lake. Ankara Universitesi Veteriner Fakultesi Dergisi, 42, 445–450 (In Turkish).
Bilgin, A. (2015). An assessment of water quality in the Coruh Basin (Turkey) using multivariate statistical techniques. Environmental Monitoring and Assessment, 187(11), 721.
Cantürk, N. (2007). Van Gölü’ne Dökülen Akköprü Deresi Su Kalitesinin İncelenmesi, Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Su Ürünleri Anabilim Dalı, Yüksek Lisans Tezi, Van, 77 s (In Turkish).
Carlson, & Robert, E. (1977). A trophic state index for lakes. Limnology and Oceanography, 22(2), 361–369.
Çiftçi, Y., Işık, M. A., Alkevli, T., & Yeşilova, Ç. (2008). Environmental geology of Lake Van Basin. Geological Engineering, 32(2), 45–77 (In Turkish).
Degens, E. T., Wong, H. K., & Kempe, S. (1978). Van Gölü’nün jeolojik gelişimi: Bir özet. Degens ET, Kurtman F (Ed.). The Geology of Lake Van. Maden Tetkik ve Arama Genel Müdürlüğü, 169, 147–158.
Demir, A., & Selek, Z. (2009). Akyatan lagününde tuzluluk ve bazı kirlilik düzeylerinin saptanarak coğrafi bilgi sistemi destekli dağılımlarının belirlenmesi. Çukurova Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 20(1), 187–199 (in Turkish).
Demir Yetiş, A. (2019). Investigation of some heavy metal levels in surface water of Bitlis Ahlat marshes. Çukurova University Journal of the Faculty of Engineering and Architecture, 34(1), 1–12 (In Turkish).
Demir Yetis, A., & Selek, Z. (2015). Determination of total and fecal coliforms of Akyatan Lagoon in terms of microbiological pollution. Arabian Journal of Geosciences, 8, 1125–1132.
Demir Yetis, A., & Akyuz, F. (2020). Water quality evaluation by using multivariate statistical techniques and pressure‑impact analysis in wetlands: Ahlat Marshes, Turkey. Environment, Development and Sustainability. https://doi.org/10.1007/s10668-020-00690-5.
Demir Yetis, A., Selek, Z., Seckin, G., & Davutluoglu, O. I. (2014). Water quality of Mediterranean coastal plains: Conservation implications from the Akyatan Lagoon, Turkey. Environmental Monitoring and Assessment, 186, 7631–7642.
Demir Yetiş, A., Selek Z., & Selek B. (2019). Ecosystem based water quality management, chapter 9 - wetlands and their interaction with water resources in terms of water quality (editors: Zeliha Selek Z. and Karaaslan Y.). Republic of Turkey Ministry of Agriculture and Forestry. pp:490.
Deniz, O. (2003). Van kentinde gözlenen bazı çevre sorunları ve alınması gereken bazı önlemler. Doğu Coğrafya Dergisi, 9, 143–169 (In Turkish).
Filik Iscen, C., Emiroglu, Ö., Ilhan, S., Arslan, N., Yilmaz, V., & Ahiska, S. (2008). Application of multivariate statistical techniques in the assessment of surface water quality in Uluabat Lake, Turkey. Environmental Monitoring and Assessment, 144, 269–276.
Griboff, J., Wunderlin, D. A., & Monferran, M. V. (2017). Metals, as and se determination by inductively coupled plasma-mass spectrometry (ICP-MS) in edible fish collected from three eutrophic reservoirs. Their consumption represents a risk for human health? Microchemical Journal, 130, 236–244.
Guo, J., Zhang, C., Zheng, G., Xue, J., & Zhang, L. (2018). The establishment of season-specific eutrophication assessment standards for a water-supply reservoir located in Northeast China based on chlorophyll-a levels. Ecological Indicators, 85, 11.
Han, G., & Liu, C. (2004). Water geochemistry controlled by carbonate dissolution: A study of the river waters draining karst dominated terrain, Guizhou Province, China, 204: 1–10.
Kadıoğlu, M., Şen, Z., & Batur, E. (1997). The greatest soda-water lake in the world and how it is influenced by climatic change, Istanbul Technical University, Meteorology Department, Hydrometeorology Research Group, Maslak 80626 Istanbul, Turkey.
Kasprzak, P., Padisak, J., Koschel, R., Krienitz, L., & Gervais, F. (2008). Chlorophyll a concentration across a trophic gradient of lakes: An estimator of phytoplankton biomass? Limnologica, 38, 327–338.
Kitaka, N., Harper, D. M., & Mavuti, K. M. (2002). Phosphorus inputs to Lake Naivasha, Kenya, from its catchments and the trophic state of the lake. Hydrobiologia, 488, 73–80.
Kitsiou, D., & Karydis, M. (2011). Coastal marine eutrophication assessment: A review on data analysis. Environment International, 37(4), 778–801.
Kowalczewska-Madura, K., Kozak, A., Dera, M., & Gołdyn, R. (2019). Internal loading of phosphorus from bottom sediments of two meso-eutrophic lakes. International Journal of Environmental Research, 13(2), 235–251.
Kumar, P., Mahajan, A. K., & Meena, N. K. (2019). Evaluation of trophic status and its limiting factors in the Renuka Lake of lesser Himalaya, India. Environmental Monitoring and Assessment, 191(2), 105.
Liu, C. W., Lin, K. H., & Kuo, Y. M. (2003). Application of factor analysis in the assessment of groundwater quality in a Blackfoot disease area in Taiwan. The Science of the Total Environment, 313(1–3), 77–89.
MAF (Ministry of Agriculture and Forestry). (2018). Determination of the extraction capacity at still waters and the water quality improvement project, republic of Turkey Ministry of Agriculture and Forestry. Ankara, Turkey: General Directorate of Water Management (In Turkish).
Marinovic, A., & Ruzdjak, D. (2015). Evaluation of river water quality variations using multivariate statistical techniques: Sava River (Croatia): A case study. Environmental Monitoring and Assessment, 187(4), 1–14.
MEU (Ministry of Environment and Urbanization). (2018). Van Province 2017 Environmental Status Report, Directorate of Environmental Management and Supervision, p 152.
Müller, B., Bryant, L. D., Matzinger, A., & Wüest, A. (2012). Hypolimnetic oxygen depletion in eutrophic lakes. Environmental Science & Technology, 46, 9964–9971.
Naz, M., Uyanik, S., Yesilnacar, M. I., & Sahinkaya, E. (2009). Side-by-side comparison of horizontal subsurface flow and free water surface flow constructed wetlands and artificial neural network (ANN) modelling approach. Ecological Engineering, 35, 1255–1263.
Ouyang, Y., Feng, G., Parajuli, P., Leininger, T., Wan, Y., & Jenkins, J. N. (2018). Assessment of surface water quality in the big Sunflower River watershed of Mississippi Delta using nonparametric analysis. Water, Air, and Soil Pollution, 229, 373.
Özalp, S., Aydemir, B. S., Olgun, Ş., Şimşek, B., Elmacı, H., Evren, M., Emre, Ö., Aydın, M. B., Kurtuluş, O., Öcal, F., Can, A. Z., Yanmaz, M. N., Apa, R., & Duman, T. Y. (2016). Van Gölü (Edremit Körfezi) kuvaterner çökellerinde tektonik deformasyonlar. Maden Tetkik ve Arama Dergisi, 153 (In Turkish).
Özgökçe, M. S., Karaca, İ., Atlıhan, R., Kasap, İ., Özgökçe, F., Yıldız, Ş., & Polat, E. (2008). Van Gölü kıyı kirliliğinin gösterge türlerle tayini. Dünya Su Forumu Bölgesel Hazırlık Süreci DSİ Yurtiçi Bölgesel Su Toplantıları Van Gölü Hidrolojisi ve Kirliliği Konferansı, 21-22 Ağustos, Van (In Turkish).
Ozler, M. H. (2003). Hydrochemistry and salt-water intrusion in the Van aquifer, East Turkey. Environmental Geology, 43(7), 759–775.
Rahmeti, R., Pourgholam, R., Najafpour, S. H., & Doustdar, M. (2011). Trophic Status of a Shallow Lake (North of Iran) Based on the Water Quality and the Phytoplankton Community World. Applied Sciences Journal, 14(Special Issue of Food and Environment), 112–120.
Reimer, A., Landmann, G., & Kempe, S. (2009). Lake Van, eastern Anatolia, hydrochemistry and history. Aquatic Geochemistry, 15, 195–222.
RIBAMAP. (2018). (Technical Assistance for the Conversion of River Basin Action Plans into River Basin Management Plans) nnex I. Pressures, impacts and risk assessment in surface water bodies. Ministry of Forestry and Water Affairs Directorate General for Water Management.
Ripa, M. N., Leone, A., Garnier, M., & Lo Porto, A. (2006). Agricultural land use and best management practices to control nonpoint water pollution. Environmental Management, 38(2), 253–266.
Simeonov, V., Stratis, J. A., Samara, C., Zachariadis, G., Voutsa, D., & Anthemidis, A. (2003). Assessment of the surface water quality in Northern Greece. Water Research, 37(17), 4119–4124.
Singh, K. P., Malik, A., Mohan, D., & Sinha, S. (2004). Multivariate statistical techniques for the evaluation of spatial and temporal variations in water quality of Gomti River (India): A case study. Water Research, 38(18), 3980–3992.
Smith, V. H., Joye, S. B., & Howarth, R. W. (2006). Eutrophication of freshwater and marine ecosystems. Limnology and Oceanography, 51(1, part 2), 351–355.
Sojka, M., Siepak, M., Ziola, A., Frankowski, M., Murat-Blazejewska, S., & Siepak, J. (2008). Application of multivariate statistical techniques to evaluation of water quality in the Mala Welna River (Western Poland). Environmental Monitoring and Assessment, 147(1–3), 159–170.
Syandri, H., Junaidi, A., & Yunus, T. (2014). State of aquatic resources Maninjau Lake West Sumatra Province-Indonesia. Journal of Ecology and Environmental Sciences, 1, 109–113.
Taş, B. (2006). Derbent Baraj Gölü (Samsun) Su Kalitesinin İncelenmesi. Ekoloji, 15(61), 6–15 (In Turkish).
Tavakoly Sany, S. B., Hashim, R., Rezayi, M., Rahman, M. A., Razavizadeh, B. B. M., Abouzari-lotf, E., & Karlen, D. J. (2015). Integrated ecological risk assessment of dioxin compounds. Environmental Science and Pollution Research, 22(15), 11193–11208.
Tibebe, D., Kassa, Y., Melaku, A., & Lakew, S. (2019). Investigation of spatio-temporal variations of selected water quality parameters and trophic status of Lake Tana for sustainable management, Ethiopia. Microchemical Journal, 148, 374–384.
Tomonaga, Y., Blättler, R., Brennwald, M. S., & Kipfer, R. (2012). Interpreting noble-gas concentrations as proxies for salinity and temperature in the world’s largest soda lake (Lake Van, Turkey). Journal of Asian Earth Sciences, 59, 99–107.
TSWQR. (2012). Turkish surface water quality regulation, official gazette dated 30 November 2012 and numbered 28483. (In Turkish).
Tuğrul, S., Dümlu, G., Bastürk, Ö., İlhan, R., & Balkas, T. (1984). Van Gölü özümleme kapasitesinin saptaması ve evsel nitelikli atıksu arıtımı ve desarjı optimizasyonu. İller bankası Gn.Md. ve TÜBİTAK Marmara Arş. Ens. Ortak Projesi Raporu, Proje No: 0730018301, Gebze, 145: 111–185 (In Turkish).
TWPCR. (2004). Turkish water pollution control regulation, official gazette dated 31 December 2004 and numbered 25687 (In Turkish).
Varol, M., Gökot, B., Bekleyen, A., & Şen, B. (2012). Spatial and temporal variations in surface water quality of the dam reservoirs in the Tigris River basin, Turkey. Catena, 92, 11–21.
Weber, P., Behr, E. R., Knorr, C. L., Vendruscolo, D. S., Flores, E. M. M., Dressler, V. L., & Baldisserotto, B. (2013). Metals in the water, sediment, and tissues of two fish species from different trophic levels in a subtropical Brazilian river. Microchemical Journal, 106, 61–66.
Wu, J. C., & Malmstrom, M. E. (2015). Nutrient loadings from urban catchments under climate change scenarios: Case studies in Stockholm, Sweden. The Science of the Total Environment, 518–519, 393–406.
Yazgan, M. S., Armagan, B., & Yesilnacar, M. I. (2001). Seasonal variations of the water quality of Atatürk dam Lake. International Conference on Water Resources and Environmental Impact Assessments, Turkish Water Foundations, 11-13 July, pp.27-35, Istanbul.
Yetis, R., Atasoy, A. D., Demir Yetis, A., & Yesilnacar, M. I. (2018). Balıklıgöl Havzası Su Kaynaklarının Nitrat ve Nitrit Seviyelerinin Belirlenmesi. Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi, 33(1), 47–54 (in Turkish).
Yetis, R., Demir Yetis, A., Atasoy, A. D., & Yesilnacar, M. I. (2019). Hydrogeochemical characteristics and quality assessment of groundwater in Balikligol Basin, Sanliurfa, Turkey. Environmental Earth Sciences, 78, Art. :331.
Yiğit, A., Turhan Irak, Z., Öztürk, D., Öztürk, E., Alpaslan, D., Şahan, T., & Aktaş, N. (2017). Determination of water quality by ion characterization of Van Lake water. Igdir University Journal of the Institute of Science and Technology, 7(4), 169–179 (In Turkish).
Yu, H. B., Xi, B. D., Jiang, J. Y., Heaphy, M. J., Wang, H. L., & Li, D. L. (2011). Environmental heterogeneity analysis, assessment of trophic state and source identification in Chaohu Lake, China. Environmental Science and Pollution Research, 18, 1333–1342.
The authors would like to sincerely thank Ahmet DURAK, at the Van Water and Sewerage Administration General Directorate Treatment Plant for his contribution to the field work of this study, and to Cumali TURKOGLU, Branch Manager at the Sanliurfa Water and Sewerage Administration General Directorate Treatment Plant for his contribution to water quality data.
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• The Lake Van is Turkey’s largest lake and the world’s largest soda lake.
• The water quality of the lake was characterized with correlation matrix, factor analysis, impact analysis and spatio-temporal analysis.
• The water quality in the lake was determined as Class IV in terms of the pH, EC, SO4−2, Cl−, TP, COD and BOD values.
• The final trophic status of Lake Van was assessed as “eutrophic” according to the Carlson trophic index.
• In the impact analysis, the pH, COD, BOD and TP values had “medium impact” while the EC values had “high impact”.
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Ozguven, A., Demir Yetis, A. “Assessment of Spatiotemporal Water Quality Variations, Impact Analysis and Trophic Status of Big Soda Lake Van, Turkey. Water Air Soil Pollut 231, 260 (2020). https://doi.org/10.1007/s11270-020-04622-x
- Water quality
- Municipal treatment plant
- Trophic state
- Impact analysis
- Lake Van