Graduate School of Marine Sciences

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Recent Submissions

Deneme amaçlıdır. Ardanuç, Didem; Ardanuç, Didem; Department of Marine Biology and Fisheries (2021-2-12) Deneme
Demography and population structure of Northeastern Mediterranean monk seal population Kurt, Merve; Gücü, Ali Cemal (2021-01-01) Copyright © 2020 Mediterranean Marine ScienceThe Northeastern Mediterranean coasts that border southern Turkey host one of the last strongholds for the survival of the endangered Mediterranean monk seal (Monachus monachus,...
The response of Tufted Ghost Crab, Ocypode cursor, populations to recreational activities in an urbanized coast with small-scale protected zones Bal, Melisa; Cagri Yapan, Batuhan; Özkan, Korhan (2021-01-01) Tufted Ghost Crabs (Ocypode cursor) experience local population declines and also range contractions at larger spatial scales due to increasing anthropogenic pressures on coastal ecosystems. Therefore, the environmental dr...
Seasonal and long-term trends in the spatial heterogeneity of lake phytoplankton communities over two decades of restoration and climate change Fu, Hui; Yuan, Guixiang; Özkan, Korhan; Johansson, Liselotte Sander; Søndergaard, Martin; Lauridsen, Torben L.; Jeppesen, Erik (Elsevier BV, 2020-12-15) World-wide, reducing the external nutrient loading to lakes has been the primary priority of lake management in the restoration of eutrophic lakes over the past decades, and as expected this has resulted in an increase in ...
Two-way coupling between Ecosim (EwE-F) and a biogeochemical model of the Baltic Sea Muller-Karulis, Bärbel; Akoğlu, Ekin; Tomczak, Maciej T; Gustafsson, Bo (Zenodo; 2020-12-4) Two-way coupling results for the Central Baltic Sea between EwE-F, a Fortran version of Ecosim, and the BALTSEM biogeochemical model
Microplastic Consumption and Its Effect on Respiration Rate and Motility of Calanus helgolandicus From the Marmara Sea Isinibilir, Melek; Svetlichny, Leonid; Mykitchak, Taras; Turkeri, Ezgi E.; Eryalcin, Kamil Mert; Dojan, Onur; Can, Gulsah; Yuksel, Esin; Kıdeyş, Ahmet Erkan (Frontiers Media SA, 2020-12-01) Consumption rates of polystyrene microplastics (beads of 6, 12, and 26 mu m diameter) and their effects on energy metabolism and motor activity of the copepod Calanus helgolandicus living in the Marmara Sea were investigat...
Dynamic ecology in GNU octave Akoğlu, Ekin; Flynn, , Kevin J. (Zenodo, 2020-11-23)
Mitochondrial and nuclear dna phylogeographies for two botryllid ascidian species from the north-eastern mediterranean sea Öztürk, Esra; Karahan, Arzu; Department of Marine Biology and Fisheries (2020-10-22) With approximately 3000 species, ascidians are the largest tunicate group in the world seas. Botrylloides belongs to the genera of the worldwide spread Botryllid ascidians. In the Eastern Mediterranean coasts, a total of s...
Patterns of Seasonal Stability of Lake Phytoplankton Mediated by Resource and Grazer Control During Two Decades of Re-oligotrophication Fu, Hui; Yuan, Guixiang; Özkan, Korhan; Johansson, Liselotter Sander; Sondergaard, Martin; Lauridsen, Torben L.; Jeppesen, Erik (Springer Science and Business Media LLC, 2020-09-01) Human-induced changes in external nutrient loading affect the phytoplankton community and abundance directly by changing the amount of nutrients available, but also indirectly through changes in the zooplankton (that is, g...
Controls on carbon export in the subtropical North Atlantic Yumruktepe, Veli Caglar; Salihoğlu, Barış; Neuer, Susanne (Elsevier BV, 2020-08-01) We present a lower trophic level pelagic ecosystem model that allows the investigation of the role of hydrography, bacterial remineralization and detritus consumption on the strength of carbon export and its attenuation. W...
Responses of ecological indicators to fishing pressure under environmental change: Exploring non-linearity and thresholds Fu, Caihong; Xu, Yi; Grüss, Arnaud; Bundy, Alida; Shannon, Lynne; Heymans, Johanna J.; Halouani, Ghassen; Akoğlu, Ekin; Lynam, Christopher P.; Coll, Marta; Fulton, Elizabeth A.; Velez, Laure; Shin, Yunne-Jai (Oxford University Press (OUP), 2020-07-01) © International Council for the Exploration of the Sea 2019. All rights reserved.Marine ecosystems are influenced by multiple stressors in both linear and non-linear ways. Using generalized additive models (GAMs) fitted to...
Modeling the Dynamics of Small-Scale River and Creek Plumes in Tidal Waters Başdurak, Nüvit Berkay; Largier, J. L.; Nidzieko, N. J. (2020-07-01) The fate of discharges from small rivers and mountainous streams are little studied relative to the dynamics of large river plumes. Flows from small watersheds are episodic, forming transient low-salinity surface plumes th...
Changes in functional composition and diversity of waterbirds: The roles of water level and submerged macrophytes Özgencil, İbrahim Kaan; Beklioğlu, Meryem; Özkan, Korhan; TAVŞANOĞLU, ÇAĞATAY; Fattorini, Niccolo (2020-06-02) Water level and submerged macrophytes are critical players for the functioning of shallow lake ecosystems; understanding how waterbird communities respond to changes in both can have important implications for conservation...
Optical and microphysical properties of the columnar Aerosol burden over the Eastern Mediterranean: Discrimination of Aerosol types Tutsak, Ersin; Koçak, Mustafa (2020-05-15) Optical and microphysical properties, for example, refractive index, single scattering albedo (SSA) and asymmetry factor were attained from AERONET ground based sun sky radiometer situated at rural coastal Erdemli in the E...
Influences of climate and nutrient enrichment on the multiple trophic levels of Turkish shallow lakes Beklioğlu, Meryem; Bucak, Tuba; Levi, Eti E.; Erdogan, Seyda; Ozen, Arda; Filiz, Nur; Bezirci, Gizem; Cakiroglu, Ayse Idil; Tavsanoglu, U. Nihan; Gökçe, Didem; Demir, Nilsun; Ozulug, Mufit; Duran, Mustafa; Özkan, Korhan; Brucet, Sandra; Jeppesen, Erik (2020-04-01) Climate warming threatens the structure and function of shallow lakes, not least those in the Mediterranean climate. We used a space-for-time substitution approach to assess the response of trophic and community structures...
Trimethyl 4,4′,4′′-(ethene-1,1,2-triyl)tribenzoate Lesley, Melvin J; ÖZHAN, KORAY; Sung, Herman H-Y; Williams, Ian D (2020-03-01) The title compound, C26H22O6, is formed as the major product from the reaction between syn-1,2-bis(pinacolatoboron)-1,2-bis(4-methylcarboxyphenyl)ethene and excess methyl 4-iodobenzoate in basic DMSO using a palladi...
A model of Black Sea circulation with strait exchange (2008–2018) Gunduz, Murat; Özsoy, Emin; Hordoir, Robinson (Copernicus GmbH, 2020-1-16) The Bosphorus exchange is of critical importance for hydrodynamics and hydroclimatology of the Black Sea. In this study, we report on the development of a medium-resolution circulation model of the Black Sea, making use of...
Serhat Sevgen Graduate School of Marine Sciences
Microplastics composition and load from three wastewater treatment plants discharging into Mersin Bay, north eastern Mediterranean Sea AKARSU, CEYHUN; KUMBUR, HALİL; Gokdag, Kerem; Kıdeyş, Ahmet Erkan; Sanchez-Vidal, Anna (2020-01-01) Copious quantities of microplastics enter the sewage system on a daily basis, and hence wastewater treatment plants (WWTPs) could be an important source of microplastic pollution in coastal waters. Influent and effluent di...
Trophic ecology and assessment of the predatory impact of the Moon jellyfish Aurelia aurita (Linnaeus, 1758) on zooplankton in the Black Sea Anninsky, Borys E.; Finenko, Galina A.; Datsyk, Natalya A.; Kıdeyş, Ahmet Erkan (2020-01-01) Experiments on the feeding of the Moon jellyfish Aurelia aurita have shown that digestion time of zooplankton typically varies between 2.2 and 5.1 h depending on the body weight of the predator, diet composition, amount of...