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

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...
Water chemistry and pigment composition of 13 lakes and ponds in Maritime Antarctica Özkan, Korhan (2023-11-01) The Antarctic Peninsula has been rapidly warming, resulting in changes to the abundance and surface cover of terrestrial aquatic ecosystems, as well as their ecosystem structure and function. Therefore, comparative studies...
Abundance and composition of polycyclic aromatic hydrocarbons in the surface sediments of twelve alpine lakes in the Central Taurus Mountains Yakan Dündar, Sevil Deniz; Çelik, İmran Eren; Özkan, Korhan (2023-08-01) The regions of Bolkar Mountains and Aladağlar accommodate a unique ecosystem in Turkey, due to being in a transitional climate between the continental and the Mediterranean and hosting alpine lakes which are considered as ...
Effects of Climate Change on the Habitat Suitability and Distribution of Endemic Freshwater Fish Species in Semi-Arid Central Anatolian Ecoregion in Türkiye Korkmaz, Mustafa; MANGIT, FATİH; Dumlupınar, İlayda; Çolak, Mehmet Arda; Akpınar, Mustafa Berkay; Koru, Meltem; Pacheco, Juan Pablo; Ramírez-García, Arely; Yılmaz, Gültekin; Amorim, Cihelio Alves; Özgencil, İbrahim Kaan; İnnal, Deniz; Yerli, Sedat Vahdet; Özkan, Korhan; Akyürek, Sevda Zuhal; Beklioğlu, Meryem; Jeppesen, Erik (2023-04-01) Climate change is affecting freshwater ecosystems globally, particularly those in semi-arid and arid regions. The Central Anatolian Ecoregion (CAE) in Türkiye has a semi-arid climate and is home to numerous endemic fish sp...
Differences in food web structure and composition between new and nearby older lakes in West Greenland suggest succession trajectories driven by glacier retreat Jeppesen, Erik; Davidson, Thomas A.; Meerhoff, Mariana; De Meester, Luc; Gonzalez-Bergonzoni, Ivan; Vidal, Nicolas; Arndt, Hartmut; Juergens, Klaus; Sommaruga, Ruben; Özkan, Korhan; Lauridsen, Torben L.; Tserenpil, Sh (2023-03-01) With the retreat of glaciers, new ponds and lakes are often formed. These are gradually colonised and become more productive as vegetation develops in their catchments, creating more complex food webs. Near the Jakobshavn ...
Estimation of nutrient fluxes from the flooding of the Wadi Gaza catchment into the Mediterranean Sea Al-Najjar, Hassan; Purnama, Anton; Özkan, Korhan (2023-03-01) The coastal catchment of Wadi Gaza is the main surface water basin that flows down to Gaza coastal plain zone and drains into the Mediterranean Sea. The modeling-based assessment of the hydrological system is an essential ...
Geochemistry of the Lake Sediments on Robert Island, South Shetland Islands, Antarctica: implications for weathering processes in Polar areas ÖZYURT, MERVE; DEMİR, YILMAZ; Özkan, Korhan; KANDEMİR, RAİF (2023-01-01) The preliminary results of geochemical analyses of the surface sediments from 4 lakes on Robert Island, South Shetland, Antarctica, are presented herein. The samples were collected during the Turkish Antarctic Expedition (...
MARMARA DENİZİ DİJİTAL İKİZİ VE YÖNETİM PLANI ÖNERİLERİ Salihoğlu, Barış; Yücel, Mustafa; Tezcan, Devrim; Fach Salihoğlu, Bettina Andrea; Örek, Hasan; ARKIN, ŞADİ SİNAN; Özhan, Koray; Özkan, Korhan; Mantıkcı, Asım Mustafa (2022-12-12) Son 20 yıl içinde Marmara Denizi’nin en derin bölgelerindeki oksijen değerleri ciddi azalmalar göstererek hipoksi sınırı olarak görülen 80 mikromoların altına inmiştir. Marmara Denizi üzerindeki baskı unsurları çok çeşitli...
Analysis of extreme rainfall trend and mapping of the Wadi pluvial flood in the Gaza coastal plain of Palestine Al-Najjar, Hassan; Purnama, Anton; Özkan, Korhan; Abualtayef, Mazen (2022-09-01) In the eastern Mediterranean region of the Middle East and North Africa, pluvial flooding has become a common and severe climate change consequence event that requires immediate attention. The Wadi-Gaza basin is a critical...
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) Colak, Mehmet Arda; Oztas, Baris; Özgencil, İbrahim Kaan; Soyluer, Melisa; Korkmaz, Mustafa; Ramirez-Garcia, Arely; Metin, Melisa; Yilmaz, Gultekin; Ertugrul, Serhat; TAVŞANOĞLU, ÜLKÜ NİHAN; Amorim, Cihelio Alves; Özen, Can; Apaydin Yagci, Meral; Yagci, Abdulkadir; Pacheco, Juan Pablo; Özkan, Korhan; Beklioğlu, Meryem; Jeppesen, Erik; Akyürek, Sevda Zuhal (2022-04-01) Global warming and altered precipitation patterns are predicted to intensify the water loss in semi-arid and arid regions, and such regions in Turkey will be particularly affected. Moreover, water abstraction, not least fo...

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