Publications

* indicates group members.

  1. Causal feedback loops modify lake chlorophyll a–nutrient relationships over two decades of nutrient reductions and climate warming. Hui Fu, Korhan Özkan, Liselotte Sander Johansson, Martin Søndergaard, Torben Linding Lauridsen, Guixiang Yuan, Erik Jeppesen. Limnology and Oceanography. 69(10). 2294-2306. 2024. Link
  2. Re-oligotrophication and warming stabilize phytoplankton networks. Hui Fu, Guojun Cai, Korhan Özkan, Liselotte Sander Johansson, Martin Søndergaard, Torben L Lauridsen, Guixiang Yuan, Erik Jeppesen. Water Research. 253. 121325. 2024. Link
  3. Census of breeding avifauna and the status of Audouin’s Gull (Ichthyaetus audouinii) along the eastern Mediterranean coast of Turkey. Korhan Özkan, Batuhan Yapan. Journal of Field Ornithology. 95(3). 2024. Link
  4. Differences in food web structure and composition between new and nearby older lakes in West Greenland suggest succession trajectories driven by glacier retreat. Erik Jeppesen, Thomas A Davidson, Mariana Meerhoff, Luc De Meester, Iván González-Bergonzoni, Nicolás Vidal, Hartmut Arndt, Klaus Jürgens, Ruben Sommaruga, Korhan Özkan, Torben L Lauridsen, Sh Tserenpil. Hydrobiologia. 850(21). 4745-4761. 2023. Link
  5. Abundance and composition of polycyclic aromatic hydrocarbons in the surface sediments of twelve alpine lakes in the Central Taurus Mountains. Sevil Deniz Yakan, İmran Eren Çelik, Korhan Özkan. Environmental Monitoring and Assessment. 195(8). 974. 2023. Link
  6. Mesocosm Design and Implementation of Two Synchronized Case Study Experiments to Determine the Impacts of Salinization and Climate Change on the Structure and Functioning of Shallow Lakes. Korhan Özkan, Mustafa Korkmaz, Cihelio Alves Amorim, Gültekin Yılmaz, Meltem Koru, Yasemin Can, Juan Pablo Pacheco, Vildan Acar, Mehmet Arda Çolak, Gül Canan Yavuz, Lucía Cabrera-Lamanna, Onat Arıkan, Öykü Tanrıverdi, Serhat Ertuğrul, İrem Gamze Arık, Hande Nesli, İlker H Tunur, Burak Kuyumcu, Zuhal Akyürek, Can Özen, Meryem Beklioğlu, Erik Jeppesen. Warer, 15 (4). 2611. 2023. Link
  7. Riverine and submarine groundwater discharges into the Mediterranean Cilician Basin and their impact on the marine water and nutrient budget. Korhan Özkan, Burak Kuyumcu, Serhat Ertuğrul, İdil Ilgaz Kaya, C Serdar Bayari, S Fatih Özmen, Kanchan Maiti, Koray Özhan, Ekin Akoglu. EGU General Assembly Conference Abstracts. EGU-15067. 2023. Link
  8. Effects of Climate Change on the Habitat Suitability and Distribution of Endemic Freshwater Fish Species in Semi-Arid Central Anatolian Ecoregion in Türkiye. Mustafa Korkmaz, Fatih Mangıt, İlayda Dumlupınar, Mehmet Arda Çolak, Mustafa Berkay Akpınar, Meltem Koru, Juan Pablo Pacheco, Arely Ramírez-García, Gültekin Yılmaz, Cihelio Alves Amorim, İbrahim Kaan Özgencil, Deniz İnnal, Sedat Vahdet Yerli, Korhan Özkan, Zuhal Akyürek, Meryem Beklioğlu, Erik Jeppesen. Warer. 15 (8). 1619. Link
  9. Alpine Lake Environments and Psychrophile Diatoms Around the World with a Particular Emphasis on Turkish Glacial Lakes. Cüneyt Nadir Solak, Paul Hamilton, Łukasz Peszek, Małgorzata Bąk, Elif Yilmaz, Korhan Özkan, Nesil Ertorun. Insights into the World of Diatoms: From Essentials to Applications. 45-101. 2023. Link
  10. Estimation of nutrient fluxes from the flooding of the Wadi Gaza catchment into the Mediterranean Sea. Hassan Al-Najjar, Anton Purnama, Korhan Özkan. 2023. Link
  11. Geochemistry of the lake sediments on Robert Island, South Shetland Islands, Antarctica: Implications for weathering processes in polar areas. Merve Özyurt, Yilmaz Demir, Korhan Özkan, Raif Kandemir. Turkish Journal of Earth Sciences. 32(8). 944-960. 2023. Link
  12. Water chemistry and pigment composition of 13 lakes and ponds in Maritime Antarctica. Korhan Özkan. Turkish Journal of Earth Sciences. 32(8). 989-998. 2023. Link
  13. Analysis of extreme rainfall trend and mapping of the Wadi pluvial flood in the Gaza coastal plain of Palestine. Hassan Al-Najjar, Anton Purnama, Korhan Özkan, Mazen Abualtayef. Acta Geophysica.70 (5). 2135-2147.2022. Link
  14. Increased water abstraction and climate change have substantial effect on morphometry, salinity, and biotic communities in lakes: examples from the semi-arid burdur Basin (Turkey). Mehmet Arda Çolak, Barış Öztaş, İbrahim Kaan Özgencil, Melisa Soyluer, Mustafa Korkmaz, Arely Ramírez-García, Melisa Metin, Gültekin Yılmaz, Serhat Ertuğrul, Ülkü Nihan Tavşanoğlu, Cihelio Alves Amorim, Can Özen, Meral Apaydın Yağcı, Abdulkadir Yağcı, Juan Pablo Pacheco, Korhan Özkan, Meryem Beklioğlu, Erik Jeppesen, Zuhal Akyürek. Water.14 (8). 1241. 2022. Link
  15. Interactive Effects of Lake Morphometry and Sticklebacks on the Trophic Position of Arctic charr, Salvelinus alpinus (L.), across Lakes in Western Greenland. Ignasi ARRANZ, Thomas A DAVIDSON, Lluís BENEJAM, Sandra BRUCET, Javier SÁNCHEZ-HERNÁNDEZ, Frank LANDKILDEHUS, Torben L LAURIDSEN, Nestor MAZZEO, Nicolas VIDAL, Korhan ÖZKAN, Irene GALLEGO, Juliane WISCHNEWSKI. Limnofish. 2022. Link
  16. Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer. Daphne Donis, Evanthia Mantzouki, Daniel F McGinnis, Dominic Vachon,………Enrique Moreno‐Ostos, José María Blanco, Valeriano Rodríguez. Limnology and oceanography. 66(12). 4314-4333. Link
  17. Decadal changes in size, salinity, waterbirds, and fish in lakes of the Konya Closed Basin, Turkey, associated with climate change and increasing water abstraction for agriculture. Gültekin Yılmaz, Mehmet Arda Çolak, İbrahim Kaan Özgencil, Melisa Metin, Mustafa Korkmaz, Serhat Ertuğrul, Melisa Soyluer, Tuba Bucak, Ülkü Nihan Tavşanoğlu, Korhan Özkan, Zuhal Akyürek, Meryem Beklioğlu, Erik Jeppesen. Inland Waters. 11(4). 538-555. 2021. Link
  18. Abiotic and biotic drivers of temporal dynamics in the spatial heterogeneity of zooplankton communities across lakes in recovery from eutrophication. Hui Fu, Korhan Özkan, Guixiang Yuan, Liselotte Sander Johansson, Martin Søndergaard, Torben L Lauridsen, Erik Jeppesen. Science of the Total Environment. 778. 146368. 2021. Link
  19. Patterns of Seasonal Stability of Lake Phytoplankton Mediated by Resource and Grazer Control During Two Decades of Re-oligotrophication. Fu H, Yuan G, Özkan K*, Johansson LS, Søndergaard M, Lauridsen T, Jeppesen E. Ecosystems, 24 (4), 911-925. 2021. link
  20. Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer. Donis, D., Mantzouki, E., McGinnis, D.F., Vachon, D., Gallego, I…….. , Özkan, K.*., Önem, B., Paerl, H., Carey, C.C. and Ibelings, B.W.. Limnology of Oceanography. 2021. link
  21. Decadal changes in size, salinity, waterbirds, and fish in lakes of the Konya Closed Basin, Turkey, associated with climate change and increasing water abstraction for agriculture. Yılmaz G*, Çolak M A, Özgencil K İ, Metin M, Korkmaz M*, Ertuğrul S*, Soyluer M, Bucak T, Tavşanoğlu N Ü, Özkan K*, Akyürek Z, Beklioğlu M, Jeppesen E. Inland Waters 1-18. 2021. link
  22. Abiotic and biotic drivers of temporal dynamics in the spatial heterogeneity of zooplankton communities across lakes in recovery from eutrophication. Fu H , Özkan K*, Yuan G, Johansson L, Søndergaard M, Lauridsen T, Jeppesen E. Science of The Total Environment, 778, 146368. 2021. link
  23. Turkey’s Birds. TRAKUS.2021. link
  24. Ecology of the Marmara Sea:Formation and Interactions of Marine Mucilage, and Recommendations for Solutions. M., Özkan, K.*, Fach Salihoğlu, B. A., Örek, H., Mantıkçı, M., Tezcan, D., … & SALİHOĞLU, B. Edited by Muzaffer Şeker, İzzet Öztürk. TUBA. (2021).link
  25. Abiotic and biotic drivers of temporal dynamics in the spatial heterogeneity of zooplankton communities across lakes in recovery from eutrophication. Fu H, Özkan K* , Yuan G, Johansson LS, Søndergaard M, Lauridsen T, Jeppesen E. Science of The Total Environment, 778, 146368. 2021. link
  26. The response of Tufted Ghost Crab, Ocypode cursor, populations to recreational activities in an urbanized coast with small-scale protected zones. Bal M*, Yapan BÇ*, Özkan K*. Zoology in the Middle East, 67:1, 32-41. 2021. link
  27. Changes in functional composition and diversity of waterbirds: The roles of water level and submerged macrophytes. Özgencil İK*, Beklioğlu M, Özkan K*, Tavşanoğlu Ç, & Fattorini N. (2020). Freshwater Biology, 65(11), 1845-1857. 2020. link
  28. Seasonal and long-term trends in the spatial heterogeneity of lake phytoplankton communities over two decades of restoration and climate change. Fu H, Yuan G, Özkan K*, Johansson LS, Søndergaard M, Lauridsen T, Jeppesen E. Science of The Total Environment, 748, 141106. 2020. link
  29. Salinization increase due to climate change will have substantial negative effects on inland waters and freshwater resources: A call for multifaceted research at the local and global scale. Jeppesen E, Beklioglu M, Özkan K*, Akyürek Z. The Innovation, 1 (2), 100030. 2020. link
  30. Influences of climate and nutrient enrichment on the multiple trophic levels of Turkish shallow lakes: a space-for-time substitution approach. Beklioglu M, Bucak T, Levi E, Erdogan S, Özen A, Bezirci G, Çakıroglu I, Tavsanoglu N, Gökçe D, Demir N, Özulug M, Duran M, Özkan K*, Brucet S, Jeppesen E. Inland Waters, 1-13. 2020. link
  31. Kararlı Izotop. N Kaymak, AI Çakıroglu, K Özkan*, S Akın. in Tatlısu Ekosistemlerinde Arazi ve Laboratuvar Yöntemleri. ÜN Tavsanoglu, GB Kankılıç, S Erdogan (eds). Nobel Yayınevi. p . 2020.
  32. Using an in-situ infra-red camera system for sea turtle hatchling emergence monitoring. Oğul FN*, Huber F*, Cihan S, Düzgün K*, Kideyş AE, Özkan K*. Acta Herpetologica 14 (1), 43-49. Link
  33. A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxinss. Mantzouki E, Campbell J, …, Özkan K*…Scientific Data, 5, 180226. 2018 [read online].
  34. Temperature effects explain continental scale distribution of cyanobacterial toxins. Mantzouki E, Lürling M, Fastner J, de Senerpont Domis L, …, Özkan K*…Toxins, 10 (4), 156. 2018 [read online].
  35. Catchment-Sea Interactions in the Black Sea. Özkan K*, Yücel M, Özhan. Black Sea Marine Environment: the Turkish Shelf. Sezgin M, Bat L, Ürkmez D, Arıcı E, Öztürk B (eds). p 98-114.TÜDAV. 2017 [read online].
  36. Restoration of Eutrophic Lakes with Fluctuating Water Levels: A 20-Year Monitoring Study of Two Inter-Connected Lakes.Beklioğlu M, Bucak T, Coppens J, Bezirci G, Tavşanoğlu ÜN, Çakıroğlu Aİ, Levi EE, Erdoğan Ş, Filiz N, Özkan K* and Özen A. Water. 9, 127. 2017 [read online].
  37. Deep-Sea Ecosystems of the Mediterranean.Yücel M, Özkan K*, Tezcan D. in The Turkish part of the Mediterranean Sea – marine biodversity, fisheries, conservation and governance. Turan C, Salihoğlu B, Özbek EÖ, Öztürk B (eds). TÜDAV. 2016 [read online].
  38. Long-term trends and temporal synchrony in lake plankton richness, diversity  and biomass driven by re-oligotrophication and climate across 17 Danish Lakes.Özkan K*, Jeppsesen E, Bjerring RB, Johansson LS, Davidson TA, Søndergaard M, Lauridsen TL,  Svenning JC. Water. 8, 427. 2016 [read online].
  39. Factors influencing nitrogen processing in lakes: an experimental approach.Olsen S, Jeppsesen E, Moss B, Özkan K*, Beklioglu M, Feuchtmayr H, González Sagrario M, Wei L, Larsen S, Lauridsen TL, Søndergaard M. Freshwater Biology. 60(4), 646–662. 2015 [read online].
  40. Cross-taxon congruence in lake plankton largely independent of environmental gradients. Özkan K*, Jeppsesen E, Davidson TA, Søndergaard M, Lauridsen TL, Bjerring RB, Johansson LS, Svenning JC. Ecology. 95, 2778-2788. 2014 [read online].
  41. Fish determine trophic web architecture and macroinvertebrate assemblage structure in arctic streams of Greenland. Gonzalez-Bergonzoni I, Landkildehus F, Meerhoff M, Lauridsen TL, Özkan K*, Davidson TA, Mazzeo N, Jeppsesen E. Freshwater Biology. 59(9), 1830-1842. 2014 [read online]
  42. Environmental species sorting dominates forest-bird community assembly across scales. Özkan K*, Svenning JC, Jeppsesen E. Journal of Animal Ecology. 82, 266-274. 2013  [read online]
  43. Contrasting roles of water chemistry, lake morphology, land-use, climate and spatial processes in driving phytoplankton richness in the Danish landscape. Özkan K*, Jeppesen E, Søndergaard M, Lauridsen TL, Liboriussen L, Svenning JC. Hydrobiologia. 710, 173-187. 2013 [read online]
  44. Biological lake restoration – recent advances and future challenges. Jeppesen E, Søndergaard M, Lauridsen TL, Davidson TA, Liu Z, Meerhoff M, Mazzeo N, Trochine C, Özkan K*, Jensen HS, Trolle D, Landkildehus F, Starling F, Lazzero X, Johansson LS, Bjerring RB, Larsen SE. Advances in Ecological Reasearch. 47, 411-488. 2012 [read online] [pdf]
  45. Novel breeding bird records in Turkey and Thrace: Yıldız Mountains breeding bird survey. Özkan K*. Sandgrouse, 33, 163-173. 2011 [pdf]
  46. Climate change effects on nitrogen loading from cultivated catchments in Europe: implications for nitrogen retention, ecological state of lakes and adaptation. Jeppesen E, Kronvang B, Olesen JE, Audet J, Søndergaard M, Hoffmann CS, Andersen HE, Lauridsen TL, Liboriussen L, Larsen SE, Beklioglu M, Meerhoff M, Özen A, Özkan K*. Hydrobiologia, 663, 1-21. 2011 [read online]
  47. The response of periphyton and submerged macrophytes to nitrogen and phosphorus loadings in warm lakes: a mesocosm experiment. Özkan K*, Jeppesen E, Johansson LS, Beklioglu M. Freshwater Biology, 55, 463-475. 2010 [read online]
  48. Archaeological Underwater Surveys of the Cilician Coasts in 2004. Evrin V, Ayaroğlu M, Özkan K*, Evrin CT, Bircan K, Bircan M, Zoroğlu L. ANMED, 2005-3. 2005 [pdf]