Yazar "Ağırbaş, Ertuğrul" için listeleme
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Contrasting wind regimes cause differences in primary production in the Black Sea Eastern and Western Gyres
Ağırbaş, Ertuğrul; Tilstone, Gavin; Feyzioğlu, Ali Muzaffer (Central Fisheries Research Inst, 2017)A 12-year time series of SeaWiFS chlorophyll a (Chl-a), primary production (PP), sea surface temperature (SST), and meteorological wind speed were used to examine decadal changes in these parameters in the eastern and ... -
The feeding behaviour of pleurobrachia pileus (ctenophora: tentaculata) in the Southeastern Black Sea: in relation to area and season
Mazlum, Rahşan Evren; Aytan, Ülgen; Ağırbaş, Ertuğrul (Parlar Scientific Publications (P S P), 2018)The diet composition of Pleurobrachia pileus (Muller, 1776) was studied in five stations (Iyidere, Rize, Cayeli, Pazar and Findikli) located along the Southeastern Black Sea coast of Turkey. the diet of P. pileus was also ... -
First evaluation of neustonic microplastics in Black Sea waters
Aytan, Ülgen; Valente, Andre; Şentürk, Yasemen; Usta, Rıza; Şahin, Fatma Başak Esensoy; Mazlum, Rahşan Evren; Ağırbaş, Ertuğrul (Elsevier Sci Ltd, 2016)The Black Sea has a high risk of plastic pollution given the high river discharge of several industrialized countries into this semi-enclosed sea. Here, for the first time, the occurrence and distribution of microplastics ... -
Flow cytometric investigation and comparison of Synechococcus spp. pico-, nano- and microplankton in the Arctic and Antarctic polar regions during the summer period of 2019
Feyzioğlu, Ali Muzaffer; Terzi, Yahya; Öztürk, Rafet Çağrı; Başar, Ersan; Yıldız, İlknur; Ağırbaş, Ertuğrul (Taylor & Francis Ltd., 2023)In the present study, Synechococcus spp. pico-, nano- and microplankton community compositions in the Arctic and Antarctic surface coastal waters were compared during the summer of 2019 using flow cytometry. The average ... -
New records of two species of gnathiid isopods, Paragnathia formica (Hesse, 1864) and Gnathia maxillaris (Montagu, 1804) (isopoda, gnathiidae) from the black sea
During fieldwork on the southeastern Black Sea coast, in October 2009, two gnathiid isopods were found in their free-living stage, Paragnathia formica (Hesse, 1864) and Gnathia maxillaris (Montagu, 1804). These species are ... -
Phytoplankton community composition in the south-eastern Black Sea determined with pigments measured by HPLC-CHEMTAX analyses and microscopy cell counts
Ağırbaş, Ertuğrul; Feyzioğlu, Ali Muzaffer; Kopuz, Ülgen; Llewellyn, Carole A. (Cambridge Univ Press, 2015)The phytoplankton community structure and abundance in the south-eastern Black Sea was measured from February to December 2009 using and comparing high performance liquid chromatography pigment and microscopy analyses. the ... -
Phytoplankton pigment indices and pigment-based phytoplankton size classes along the south-eastern Black Sea
Ağırbaş, Ertuğrul; Karadeniz, Merve Nuriye (Elsevier, 2020)Phytoplankton size classes (PSCs) estimated by using high-performance liquid chromatography (HPLC) pigment data and pigment indices in the south-eastern Black Sea were used to characterise seasonal phytoplankton structure ... -
Phytoplankton pigments and using a monitoring tool for the phytoplankton size classes (PSC) in the Black Sea
Ağırbaş, Ertuğrul (Turkish Marine Research Foundation-Tudav, 2017)..... -
Picoplankton dynamics during late spring 2010 in the South-Eastern Black Sea
Mikrobiyal besin zincirinin önemli katılımcısı olan pikoplankton bolluğu ve biyokütlesi çevresel parametreler ile birlikte 2010 yılı geç ilkbahar periyodunda aylık olarak izlenmiştir. Çalışmanın sonuçlarına göre; Synechococcus ... -
Plankton indicators and ocean observing systems: support to the marine ecosystem state assessment
Racault, Marie-Fanny; Platt, Trevor; Sathyendranath, Shubha; Ağırbaş, Ertuğrul; Vicente, Victor Martinez; Brewin, Robert (Oxford Univ Press, 2014)Ecological indicators are used extensively as tools to manage environmental resources. in the oceans, indicators of plankton can be measured using a variety of observing systems including: mooring stations, ships, autonomous ... -
Recent changes of the Turkish anchovy fishery in the black seawith special reference to climate change
Ağırbaş, Ertuğrul; Seyhan, Kadir; Kasapoğlu, Nazlı; Feyzioğlu, Ali Muzaffer; Üstündaü, Erdal; Eruz, Coşkun (2010)The Black Sea ecosystem, suffering ecological deteriorations through long-term changes induced by natural and anthropogenic factors, needs to be continuously monitored for its environmental state and ecological processes. ... -
Seasonal changes in phytoplankton size classes (PSC) derived from HPLC pigment data along the South-Eastern Black Sea
Ağırbaş, Ertuğrul; Şahin, Ahmet; Aytan, Ülgen; Koral, Serkan; Fidan, Dilek (Central Fisheries Research Inst, 2017)Seasonal distribution of phytoplankton size classes (picoplankton, nanoplankton, microplankton) derived from HPLC pigment analysis was investigated along the south-eastern Black Sea. A large range of in-situ Chl-a ... -
Seasonal changes of phytoplankton chlorophyll a, primary production and their relation in the continental shelf area of the South Eastern Black Sea
Ağırbaş, Ertuğrul; Feyzioğlu, Ali Muzaffer; Kopuz, Ülgen (Central Fisheries Research Inst., 2014)Bu çalışmada Mart-Aralık 2010 döneminde Güney Doğu Karadeniz kıyılarında birincil üretim ve klorofil-a’nın zamansal- alansal değişimi ve çevresel parametreler ortaya konulmuştur. Birincil üretim doğal fitoplankton ... -
Size-fractionated primary production in the south-eastern Black Sea
Ağırbaş, Ertuğrul; Bakırcı, Mustafa (Elsevier, 2022)Size-fractionated primary production (PP) and chlorophyll-a (Chl-a) with phytoplankton abundance and nutrients were investigated in the south-eastern Black Sea from November 2014 to August 2015. A 14C radio-tracing technique ... -
Spatial and temporal distribution of nereidae (Polychaeta: Annelida) along the coast of the Turkish Eastern Black Sea in the upper-infralittoral zone
Gözler, Ahmet Mutlu; Ağırbaş, Ertuğrul; Şahin, Cemalettin (Medwell Publishing, 2009)A total of 99 benthic samples from four stations between Rize and Trabzon (on the Eastern Black Sea) were collected and analyzed according to their qualitative and quantitative aspects. Three genera and 6 species were ... -
Spatio-temporal pattern of phytoplankton and pigment composition in surface waters of south-eastern Black Sea
Ağırbaş, Ertuğrul; Koca, Lütfiye; Aytan, Ülgen (Polish Acad Sciences Inst Oceanology, 2017)Phytoplankton community, diatom to dinoflagellate ratio and pigment composition in surface waters with nutrient data from April 2013 to March 2014 were monitored in the southeastern (SE) Black Sea using high performance ...
