Korhan Özkan

E-mail

okorhan@metu.edu.tr

Department

Graduate School of Marine Sciences

ORCID

0000-0003-1911-6508

Scopus Author ID

57197932745

Web of Science Researcher ID

C-5013-2011

Changes in diversity of wetland birds across spatial scales following 20 years of wetland degradation: a case study from central Türkiye Özgencil, İbrahim Kaan; Çolak, Mehmet Arda; Yılmaz, Gültekin; Uslu, Alaz; Hasnain, Sarah; Korkmaz, Mustafa; Amorim, Cihelio Alves; Soyluer, Melisa; Beklioğlu, Meryem; Meynard, Christine; Akyürek, Zuhal; Özkan, Korhan; Jeppesen, Erik (2025-12-01) Wetlands, despite their ecological value, have been extensively degraded worldwide. This study investigates the impact of 2 decades of wetland degradation, uncontrolled water use, and warming on the taxonomic and functiona...
Ecosystem age drives food web architecture of glacier retreat-formed fishless ponds in Greenland López-Rodríguez, Anahí; Jeppesen, Erik; Davidson, Thomas A.; Meester, Luc De; González-Bergonzoni, Iván; Vidal, Nicolás; Sommaruga, Ruben; Özkan, Korhan; Arndt, Hartmut; Jürgens, Klaus; Meerhoff, Mariana (2025-09-22) Arctic ecosystems are undergoing major changes as a result of climate change that in many cases results in habitat loss for many species. However, glacial retreat also creates new habitats, such as lakes and ponds, providi...
Response of the submerged macrophyte Stuckenia pectinata (L.) Börner to warming in different climate regions: A synchronized oligohaline mesocosm experiment Billah, Md Masum; Yılmaz, Gültekin; Alves Amorım, Cıhelıo; Kuyumcu, Meltem; Arıkan, Onat; KORKMAZ, MUSTAFA; Arık, İrem Gamze; Beklioğlu, Meryem; Jeppesen, Erik; Özkan, Korhan (2025-05-01) Submerged macrophytes play a crucial role as primary producers and contribute essential ecosystem functions and services, but rising temperatures caused by climate change may alter their functional traits. We aimed to asse...
Changes in microplastic-associated bacterial communities along a salinity gradient in Central Anatolian lakes of Türkiye Gökdağ, Kerem; Pekmez, Tülay; AKCA, GÜLÇİN; Korkmaz, Mustafa; Pacheco, Juan Pablo; Başaran Kankılıç, Gökben; Dede, Cemreay; Özkan, Korhan; Beklioğlu, Meryem; Jeppesen, Erik; Akyürek, Sevda Zuhal; Tavşanoğlu, Ülkü Nihan (2025-01-01) Lakes face anthropogenic stressors such as climate change, salinization, and eutrophication, and microplastics (MPs) now emerge as a new concern since they act as vectors for pathogenic bacteria, giving rise to concern abo...
Microplastics in Lake Sediments in Robert Island, Antarctica AYTAN, ÜLGEN; ŞENTÜRK KOCA, YASEMEN; Özkan, Korhan; KANDEMİR, RAİF (2024-12-01) Microplastic (MP) pollution was investigated in the sediment of lakes on Robert Island in the South Shetland Islands located in the northwest of the Antarctic Peninsula. Sediment samples were taken from a glacial lake (L1)...
Diatom Communities in the Littoral Sediments of the Robert Island's Lakes, South Shetland Islands, Antarctica AKAR, BÜLENT; Guney, Aysegul; Özkan, Korhan; AVCI, UTKU; KANDEMİR, RAİF (2024-12-01) The study area is situated at Robert Island, which is located in the South Shetland Islands in the northwest of the Antarctic Peninsula. The diatom samples were taken as part of the Turkish Antarctic Expedition (TAE-II) wh...
Causal feedback loops modify lake chlorophyll <i>a</i>-nutrient relationships over two decades of nutrient reductions and climate warming Fu, Hui; Özkan, Korhan; Johansson, Liselotte Sander; Søndergaard, Martin; Lauridsen, Torben Linding; Yuan, Guixiang; Jeppesen, Erik (2024-08-23) Understanding how the causal feedback between phytoplankton and environmental drivers controlling the chlorophyll a (Chl a, as a proxy of phytoplankton biomass)-nutrient relationships are modulated under different ecosyste...
Re-oligotrophication and warming stabilize phytoplankton networks Fu, Hui; Cai, Guojun; Özkan, Korhan; Johansson, Liselotte Sander; Søndergaard, Martin; Lauridsen, Torben L.; Yuan, Guixiang; Jeppesen, Erik (2024-04-01) Phytoplankton taxa are strongly interconnected as a network, which could show temporal dynamics and non-linear responses to changes in drivers at both seasonal and long-term scale. Using a high quality dataset of 20 Danish...
Census of breeding avifauna and the status of Audouin’s Gull ( Ichthyaetus audouinii ) along the eastern Mediterranean coast of Turkey Özkan, Korhan; Yapan, Batuhan (2024-01-01) We conducted the first extensive breeding bird and habitat survey across 21 islands and islets spanning 600 km of the eastern Mediterranean coastline of Turkey in 2016. Eight of the 21 islands hosted breeding colonies of a...
Multi-stressor effects of salinity and heatwaves on zooplankton grazing in a synchronized mesocosm experiment. Hasnain, Sarah; Beklioğlu, Meryem; Özkan, Korhan; Jeppesen, Erik; Amorim, Cihelio Alves; Yılmaz, Gültekin; Koru, Meltem (2024-01-01)

Citation Formats