Graduate School of Marine Sciences

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Recent Submissions

Phytoplankton Patchiness Around the Gksu River Estuary (North-Eastern Mediterranean) Tohumcu, Begüm Ece; Uysal, Zahit (2024-07-29) Göksu river estuary was studied seasonally to reveal impact of contrasting water masseswith varying trophicity on the phytoplankton distribution. Samples were collected fromtotal 51 stations representing nutrient-rich Göks...
Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at Formula Presented and 8 TeV Hayrapetyan, A.; et. al. (2024-06-28) A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The datasets used correspond to an integrated luminosity of up to 5 and Formula Presented of proton-p...
Plankton Community Metabolism Variations in Two Temperate Coastal Waters of Contrasting Nutrient Richness Mantıkcı, Asım Mustafa; Bentzon-Tilia, Mikkel; Traving, Sachia J.; Knudsen-Leerbeck, Helle; Riemann, Lasse; Hansen, Jorgen L. S.; Markager, Stiig (2024-06-01) Estuarine ecosystems play a crucial role in global carbon cycling. Understanding the factors controlling plankton metabolism in these regions is critical. This study investigates how contrasting nutrient conditions influen...
Thermodynamic Predictions of Hydrogen Generation during the Serpentinization of Harzburgite with Seawater-derived Brines Som, Sanjoy M.; Sevgen, Serhat; Suttle, Adam A.; Bowman, Jeff S.; Schmidt, Britney E. (2024-06-01) Salty aqueous solutions (brines) occur on Earth and may be prevalent elsewhere. Serpentinization represents a family of geochemical reactions where the hydration of olivine-rich rocks can release aqueous hydrogen, H2(aq), ...
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...
Quality matters: Response of bacteria and ciliates to different allochthonous dissolved organic matter sources as a pulsed disturbance in shallow lakes Yalçın, Gülce; Yıldız, Dilvin; Calderó-Pascual, Maria; Yetim, Sinem; Şahin, Yiğit; Parakatselaki, Maria-Eleni; Avcı, Feride; Karakaya, Nusret; Ladoukakis, Emmanuel D.; Berger, Stella A.; Ger, Kemal Ali; Jeppesen, Erik; Beklioğlu, Meryem (2024-03-15) Shallow lake ecosystems are particularly prone to disturbances such as pulsed dissolved organic matter (allochthonous-DOM; hereafter allo-DOM) loadings from catchments. However, the effects of allo-DOM with contrasting qua...
Chapter 6: The Breadth and Limits of Life on Earth Thweatt, Jennifer L.; Harman, C.E.; Araújo, M.N.; Marlow, Jeffrey J.; Oliver, Gina C.; Sabuda, Mary C.; SEVGEN, SERHAT; Wilpiszeki, Regina L. (2024-03-01) Scientific ideas about the potential existence of life elsewhere in the universe are predominantly informed by knowledge about life on Earth. Over the past ∼4 billion years, life on Earth has evolved into millions of uniqu...
Benthic biology influences sedimentation in submarine channel bends: Coupling of biology, sedimentation and flow Azpiroz-Zabala, M.; Sumner, E. J.; Cartigny, M. J. B.; Peakall, J.; Clare, M. A.; Darby, S. E.; Parsons, D. R.; Dorrell, R. M.; Özsoy, Emin; Tezcan, Devrim; Wynn, R. B.; Johnson, J. (2024-01-29) Submarine channels are key features for the transport of flow and nutrients into deep water. Previous studies of their morphology and channel evolution have treated these systems as abiotic, and therefore assume that physi...
THE FUTURE IMPACTS OF CLIMATE CHANGE ON FISH STOCKS IN THE BLACK SEA: AN END-TO-END MODEL APPROACH Uysaler, Hacer Buse; Akoğlu, Ekin; Department of Marine Biology and Fisheries (2024-1-23) The warming of the Black Sea significantly affects the marine ecosystem, fish populations, and livelihoods. Comprehensive models that make assessments about the past, present, and predictions concerning future changes of m...
Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC Aad, G.; et. al. (2024-01-12) The first evidence for the Higgs boson decay to a Z boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by t...
Coastal discharge extremes and their environmental impact on the Sea of Marmara Başdurak, Nüvit Berkay (2024-01-01) Increases in evaporation driven by global warming change the hydrological cycle by fueling extreme precipitation and exacerbating the frequency and intensity of extreme floods. Combined with the increase in terrestrial was...
Evaluating Sea Level Rise Impacts on the Southeastern Türkiye Coastline: a Coastal Vulnerability Perspective Aykut, Fahri; Tezcan, Devrim (2024-01-01) Coastal areas are inherently sensitive and dynamic, susceptible to natural forces like waves, winds, currents, and tides. Human activities further accelerate coastal changes, while climate change and global sea level rise ...
Exploitation of mesopelagic fish stocks can impair the biological pump and food web dynamics in the ocean Dişa, Deniz; Akoğlu, Ekin; Salihoğlu, Barış (2024-1-01) The demand for marine living resources is increasing at an unprecedented scale because of the need for continuous food provision to the world’s population. The potential of already exploited fish stocks to meet this demand...
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...
Trophic positioning among native and non-indigenous species in the eastern Mediterranean Sea Tüzün, Suna; Gücü, Ali Cemal (2024-01-01) The substantial influx of non-indigenous species (NIS) into the eastern Mediterranean Sea from the Suez Canal has prompted questions about the mechanisms enabling their establishment and the resulting impacts on native spe...
Development and testing of a prototype indicator-based tool for identification of potential problem areas for marine litter in Europe's seas Murray, Ciarán J.; van Bavel, Bert; Kıdeyş, Ahmet Erkan; Lusher, Amy L.; Reker, Johnny; Šubelj, Gašper; Andersen, Jesper H. (2023-12-20) We demonstrate a prototype multi-metric indicator-based assessment tool (i.e. Marine Litter Assessment Tool - MALT) for mapping and identification of ‘problem areas’ and ‘non-problem areas’ regarding the occurrence of mari...
Phytoplankton and pigment composition during an Emiliania huxleyi bloom in the Black Sea Eker-Develi, Elif; Konucu, Merve; Psarra, Stella; Slabakova, Natalia; Triantaphyllou, Maria; Dimiza, Margarita; Karageorgis, Aristomenis P.; Uysal, Zahit; Berthon, Jean-François (2023-12-10) Alterations in composition and carbon biomass of phytoplankton community are closely related to seasonal variations, anthropogenic inputs and ultimately climatic changes in a longer perspective. Accuracy of the collected d...
A local eddy viscosity parameterization for wind-driven estuarine exchange flow, Part II: Entrainment Başdurak, Nüvit Berkay; Burchard, Hans; Schuttelaars, Henk M. (2023-12-01) Structure and intensity of estuarine exchange flow depend significantly on the eddy viscosity Av profile which is dynamically linked to various forces (e.g., gravitational, tidal, wind-driven). The impact of winds on the e...
Shifts in the pelagic fishery dynamics in response to regional sea warming and fishing in the Northeastern Mediterranean Demirel, Nazlı; Akoğlu, Ekin; Yıldız, Taner (2023-12-01) Understanding the dynamics of pelagic fish fluctuations is crucial to ecosystem well-being and sustainable fishery. Here, inter- and intra-annual landing dynamics of small and medium pelagic fish were delineated between 20...
Appraising the characteristics of particulate matter from leather tanning micro-environments, their respirational risks, and dysfunctions amid exposed working cohorts Sarwar, Fiza; Alam, Khan; Öztürk, Fatma; Koçak, Mustafa; Malik, Riffat Naseem (2023-12-01) Leather tanneries are known for chemical laden work environments and pulmonic complaints among workers. This study presents an analysis of tannery micro-environments emphasizing on size-based variation in composition of pa...

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