Alper DOGAN | Ege University (original) (raw)

Papers by Alper DOGAN

Research paper thumbnail of Cigesmed Habitat’s Characterization: A Simple and Reusable Typology at the Mediterranean Scale

Research paper thumbnail of CIGESMED for divers – Citizen Science for CIGESMED

What is "coralligenous"? What is commonly called coralligenous is, actually, a complex ... more What is "coralligenous"? What is commonly called coralligenous is, actually, a complex seascape (i.e. a submerged landscape) developing in dim light conditions, which is present exclusively in the Mediterranean Sea. Coralligenous habitat is mainly created by calcified red algae, which are constructing reef-like structures for thousands of years over marine rocky bottoms. In this respect coralligenous formations are considered to be the Mediterranean equivalent of the tropical coral reefs. At the same time, some other organisms-which are called 'eroders'-such as sponges of the genus Cliona or sea urchins-pierce and consume the calcareous substrate and thus contribute to increase the structural complexity of the coralligenous formations. This calcareous substrates also support several long-living species (sponges, gorgonians, bryozoans, corals), which are contributing to the structuring of the coralligenous habitat. Finally, a large number of invertebrates (such as nudibranchs, crustaceans, ascidians, echinoderms, molluscs) and fishes are associated with coralligenous habitats, a fact which further contributes toward the characterization of the coralligenous habitat as a unique biodiversity hotspot. Why do we observe coralligenous habitats? They are unique habitats worldwide and among the richest and most beautiful seascapes to observe during scuba diving. Thanks to their complexity, they shelter a great number of ecologically, aesthetically and commercially valuable species, some of which are also protected by National and International Laws. Coralligenous habitats are often threatened by the human behaviour. Intense anchoring, irresponsible diving, (over)fishing, litter dumping, alongside with sea surface warming (due to climatic change) and alien species invasions, are among the main threats which can induce negative effects on the health status of coralligenous habitats. By participating into the CIGESMED for divers-Citizen Science for CIGESMED project you contribute to the exploration and the conservation of the coralligenous habitats and the marine environment, while at the same you can increase your knowledge about the marine biodiversity.

Research paper thumbnail of CIGESMED* or how to integrate combined scientific and amateur large sets of heterogeneous data on coralligenous habitats for the effective evaluation of the "Good Environmental Status" of the Mediterranean Sea ?

The Mediterranean Sea is hosting almost 10% of the total marine biodiversity in spite of represen... more The Mediterranean Sea is hosting almost 10% of the total marine biodiversity in spite of representing less than 1% of the global ocean surface. This regional sea experiences high anthropogenic pressures, such as growing human population density along the coasts, urbanization, (over)harvesting of living and raw resources, extensive maritime traffic, aquaculture, invaders, pollution and eutrophication. Coastal habitats, their species composition and functioning are deeply altered by such increasing pressures. Scientific actors are designated as leaders to create new assessment methods while taking into account the difficulties of financing the necessary long term and large-scale surveys and monitoring schemes. In the European Union, Member States are required to abide Marine Strategy Framework Directive and achieve the “Good Environmental Status” (GES?) in their regional waters by 2020. To attempt this goal there is a need to develop sound knowledge on the least studied habitats, part...

Research paper thumbnail of On the presence of Pandora inaequivalvis (Bivalvia: Pandoridae) on the Levantine coast of Turkey

Marine Biodiversity Records, 2008

In a benthic study conducted in Iskenderun Bay, Turkey, in July 2007, the pandorid bivalve Pandor... more In a benthic study conducted in Iskenderun Bay, Turkey, in July 2007, the pandorid bivalve Pandora inaequivalvis was encountered at four stations having depths of 1.5-7.5 metres and muddy sand bottoms. This is the first record of this species for the Turkish part of the Levantine Sea.

Research paper thumbnail of First record of the Indo-Pacific species Electroma vexillum (Mollusca: Bivalvia: Pterioida) in the eastern Mediterranean

Marine Biodiversity Records, 2008

Research paper thumbnail of Temporal changes of soft-bottom zoobenthic communities in and around Alsancak Harbor (Izmir Bay, Aegean Sea), with special attention to the autecology of exotic species

Research paper thumbnail of Spatio-temporal distributions of zoobenthos in Mersin Bay (Levantine Sea, eastern Mediterranean) and the importance of alien species in benthic communities

Marine Biology Research, 2012

Research paper thumbnail of Faunal assemblages of the mussel Mytilus galloprovincialis in and around Alsancak Harbour (Izmir Bay, eastern Mediterranean) with special emphasis on alien species

Journal of Marine Systems, 2008

The faunal assemblages of the mussel Mytilus galloprovincialis were examined seasonally at four s... more The faunal assemblages of the mussel Mytilus galloprovincialis were examined seasonally at four stations located in and around Alsancak Harbour between January and September 2004. A total of 155 species belonging to 14 systematic groups were found in the assemblages, of which Polychaeta had the highest number of species and individuals. The assemblages were mainly composed of species tolerant to pollution. The number of individuals (maximum 209,000 ind m − 2) and biomass (maximum 24,563 g m − 2) of the assemblage were generally higher at the stations located in the harbours, whereas the station not located in the harbours had the highest number of species and diversity index values (maximum 4.19). The mussel faunal assemblages differed mainly according to seasons and locations (ANOSIM test), but seasonal samples collected at each station constituted separate groups in the MDS plot, which are moderately correlated with a combination of environmental variables such as temperature, the concentrations of total nitrogen and phosphate phosphorus (ρ r = 0.46, BIOENV test). The environmental conditions at each station, the structure of substratum to which the mussel was attached and the biotic interactions among the associated faunal components seemed to be main factors influencing the faunal assemblages of the mussel in the area. The combined effect of season and location significantly changed the community parameters such as the number of species and individuals, and the values of diversity, evenness and biomass (two-way ANOVA test). The factors significantly influencing these community parameters were the algae biomass on mussels, total nitrogen and dissolved oxygen concentrations. The density of the mussel was negatively correlated with the diversity and evenness values of samples. The mussel community included ten alien species: Pseudonereis anomala, Polydora cornuta, Streblospio gynobranchiata, Hydroides dianthus, Hydroides elegans, Maera hamigera, Stenothoe gallensis, Paradella dianae, Anadara demiri and Celleporaria brunnea. These species comprised 31% of the total number of individuals found during this study. H. elegans was the most dominant species among aliens, reaching a maximum density of 110,700 ind m − 2 (spring, at station 3, 63% of the total population) in the area. The total abundance of aliens was positively correlated with that of natives, but the total biomass value of aliens was negatively correlated with that of natives.

Research paper thumbnail of Seasonal Trends of Soft Bottom Crustaceans of Izmir Bay (Aegean Sea)

Crustaceana, 2008

This study deals with the structure of populations of Crustacea in Izmir Bay, Aegean Sea, Turkey.... more This study deals with the structure of populations of Crustacea in Izmir Bay, Aegean Sea, Turkey. Sampling was performed seasonally at 100 stations in three subsections of Izmir Bay in 1995 and 1996, in order to determine the distribution of benthic crustaceans. A total of ...

Research paper thumbnail of Decapod crustaceans new to the fauna of Cyprus

Crustaceana, 2008

Cyprus is surrounded by the waters of the Levantine Sea, eastern Mediterranean, characterized by ... more Cyprus is surrounded by the waters of the Levantine Sea, eastern Mediterranean, characterized by a higher temperature and salinity as compared to the rest of the Mediterranean Sea (Galil, 1992; Kocatas et al., 2001). The first study on the decapod crustacean fauna of the island was carried out by Heller (1863), and only 12 species had been reported by the late 19th century (see Unger & Kotschy, 1865; Plateau, 1884; Adensamer, 1898). Until recently, 150 species of decapods (44 Natantia, 11 Macrura Reptantia, 24 Anomura, 71 Brachyura) were known to occur along the Cyprus coasts (Lewinsohn & Holthuis, 1986; Kocatas et al., 2001). The study on which our present report is based, was conducted along the northern coast of Cyprus in the period 18.x.2003-03.xi.2003. Specimens were obtained by means of a Van Veen grab, a dredge, and a trawl employed over sandy-silt bottoms at depths between 11 and 225 m (fig. 1). The specimens, including those photographed, are preserved in 4% formaldehyde and deposited in the Museum of the Faculty of Fisheries, Ege University, Bornova-Izmir. With this report, the number species of Decapoda known to occur on the Cyprus coasts has increased to 152: Sicyonia carinata (Brunnich, 1768) and Upogebia mediterranea Noel, 1992 are new records for the decapod fauna of Cyprus. The nomenclature for these species follows Marine Species (2007).

Research paper thumbnail of Crustacea Decapoda associated with <I>Brachidontes pharaonis</I> (P. Fischer, 1870) (Mollusca, Bivalvia) beds from the Levantine coasts of Turkey

Crustaceana, 2008

La répartition spatiale de la faune de crustacés décapodes associée aux moulières de Brachidontes... more La répartition spatiale de la faune de crustacés décapodes associée aux moulières de Brachidontes pharaonis (Mollusca, Bivalvia) des côtes levantines de Turquie a été étudiée en septembre 2005. Des échantillons en triple ont été collectés au moyen d&#x27;un échantillonneur carré ...

Research paper thumbnail of A new record of the invasive Red Sea mussel Brachidontes pharaonis (Fischer P., 1870) (Bivalvia: Mytilidae) from the Turkish coasts

Aquatic Invasions, 2007

A specimen of the invasive mytilid mussel Brachidontes pharaonis (Fischer P., 1870) was collected... more A specimen of the invasive mytilid mussel Brachidontes pharaonis (Fischer P., 1870) was collected on 18 April 2007 in Karaburun Peninsula, İzmir. This record represents the northernmost occurrence of the species along the Aegean coast of Turkey. Information on the distribution of the species along the Mediterranean coast of Turkey is provided.

Research paper thumbnail of Marki̇z Adasi (Çandarli Körfezi̇-Ege Deni̇zi̇) Ci̇varindaki̇ Balik Çi̇ftli̇ği̇ni̇n Benti̇k Fauna Üzeri̇ndeki̇ Etki̇leri̇

Journal of …, 2008

... KISA BİLGİLENDİRME 576 MARKİZ ADASI (ÇANDARLI KÖRFEZİ-EGE DENİZİ) CİVARINDAKİ BALIK ÇİFTLİĞİN... more ... KISA BİLGİLENDİRME 576 MARKİZ ADASI (ÇANDARLI KÖRFEZİ-EGE DENİZİ) CİVARINDAKİ BALIK ÇİFTLİĞİNİN BENTİK FAUNA ... Melih Ertan Çınar, Bilal Öztürk, Mesut Önen, Tuncer KatağanEge Üniversitesi Su Ürünleri Fakültesi, Temel Bilimler Bölümü, Bornova-İzmir ...

Research paper thumbnail of Türki̇ye Deni̇zleri̇nde Dağilim Gösteren Ekonomi̇k Öneme Sahi̇p Omurgasizlar

akuademi.net

... Şileİstanbul, Turkey. Çinar, ME, and Ergen, Z., 2001, On the ecology of the Nereididae (Polyc... more ... Şileİstanbul, Turkey. Çinar, ME, and Ergen, Z., 2001, On the ecology of the Nereididae (Polychaeta: Annelida) in the Bay of Izmir, Aegean Sea, Zoology in the Middle East 22: 113-122. ... Emiral Sağlam, H., 2007, http://www.yunus.sumae.gov.tr/2004/02/04.pdf. Page 9. 44 ...

Research paper thumbnail of Response to oxygen deficiency (depletion): Bivalve assemblages as an indicator of ecosystem instability in the northern Adriatic Sea

Biologia, 2011

Benthic communities represent a powerful tool for the detection of natural and anthropogenic dist... more Benthic communities represent a powerful tool for the detection of natural and anthropogenic disturbances, as well as for the assessment of marine ecosystem stability. This paper shows that bivalve assemblages could serve as excellent indicators of disturbance and ecosystem instability. The goal of this study was to compare two sets of data in order to determine the differences between two different periods belonging to bivalve assemblage in the muddy detritic bottom of the northern Adriatic Sea in the post-anoxic period during December 1989, 1990, 1991 and quite a while later, during 2003, 2004 and 2005. Abundances of some indicator species such as Corbula gibba, Modiolarca subpicta and Timoclea ovata were detected during the post-anoxic period. Recruitment in the quality of bivalve assemblages was proved by the ecologic and biotic indexes during 2003, 2004 and 2005, during a period of relatively stable ecological conditions. Fluctuation in bivalve diversity due to the ecological q...

Research paper thumbnail of Current status (as of end of 2020) of marine alien species in Turkey

PLOS ONE

The 2020’s update of marine alien species list from Turkey yielded a total of 539 species belongi... more The 2020’s update of marine alien species list from Turkey yielded a total of 539 species belonging to 18 taxonomic groups, 404 of which have become established in the region and 135 species are casual. A total of 185 new alien species have been added to the list since the previous update of 2011. The present compilation includes reports of an ascidian species (Rhodosoma turcicum) new to the marine fauna of Turkey and range extensions of six species. Among the established species, 105 species have invasive characters at least in one zoogeographic region, comprising 19% of all alien species. Mollusca ranked first in terms of the number of species (123 species), followed by Foraminifera (91 species), Pisces (80 species) and Arthropoda (79 species). The number of alien species found in seas surrounding Turkey ranged from 28 (Black Sea) to 413 (Levantine Sea). The vectoral importance of the Suez Canal diminishes when moving from south to north, accounting for 72% of species introduction...

Research paper thumbnail of TUBI (TUrkish Benthic Index): A new biotic index for assessing impacts of organic pollution on benthic communities

A new biotic index, TUBI (TUrkish Benthic Index) is proposed here to assess the impacts of organi... more A new biotic index, TUBI (TUrkish Benthic Index) is proposed here to assess the impacts of organic enrichments on benthic community structures. This new index has two metrics; the Shannon-Weiver's diversity index (metric 1) and the relative abundance of ecological groups (metric 2). The ecological groups of species, which include five categories, were reorganized under three major categories here, namely, sensitive species (including GI and GII), tolerant species (GIII) and opportunistic species (GIV and GV). The metric 2 considers these groups with different weights and eliminates sensitive species in the calculation. Scores of TUBI vary between 0 and 5, and the benthic quality status increases with increasing TUBI scores. Benthic samples collected from Izmir Bay, and the Aegean and Levantine Seas were analyzed by using different biotic indices such as AMBI, M-AMBI, BENTIX, MEDOCC and TUBI, based on the national database for the ecological groups of benthic species. All biotic ...

Research paper thumbnail of Alien Bivalve Species Found on the Mussel (Mytilus galloprovincialis and Mytilaster minimus) Beds in Izmir Bay

Journal of the Institute of Science and Technology, 2016

Bu çalışmada, İzmir Körfezi'nde medio-littoral zonda seçilen 4 istasyonda, midye yataklarında dağ... more Bu çalışmada, İzmir Körfezi'nde medio-littoral zonda seçilen 4 istasyonda, midye yataklarında dağılım gösteren yabancı Bivalvia türlerinin tespit edilmesi amaçlamıştır. 2014 yılı Kasım ayında alınan örneklerin değerlendirilmesi sonucunda 11 bivalv türü ve bu türlere ait toplam 8200 birey saptanmıştır. Tespit edilen bivalvlerden Anadara transversa, Arcuatula senhousia, Brachidontes pharaonis ve Pinctada radiata yabancı türler olup, araştırmada bu türlerin toplam 122 bireyine rastlanmıştır. Örneklerde juvenil bireyler ile temsil edilen A. transversa, toplamda 65 birey ile en baskın yabancı tür olarak belirlenirken, B. pharaonis ise toplam 12.94 gr ile en yüksek biyomas değerine sahip yabancı tür olmuştur.

Research paper thumbnail of Prvi nalaz vrste Anadara transversa (Mollusca: Bivalvia: Arcidae) u hrvatskim vodama

Research paper thumbnail of CIGESMED for divers: Establishing a citizen science initiative for the mapping and monitoring of coralligenous assemblages in the Mediterranean Sea

Biodiversity Data Journal, 2016

Background Over the last decade, inventorying and monitoring of marine biodiversity has significa... more Background Over the last decade, inventorying and monitoring of marine biodiversity has significantly benefited from the active engagement of volunteers. Although several Citizen Science projects concern tropical reef ecosystems worldwide, none of the existing initiatives has yet specifically focused on their Mediterranean equivalents. Mediterranean coralline reefs,

Research paper thumbnail of Cigesmed Habitat’s Characterization: A Simple and Reusable Typology at the Mediterranean Scale

Research paper thumbnail of CIGESMED for divers – Citizen Science for CIGESMED

What is "coralligenous"? What is commonly called coralligenous is, actually, a complex ... more What is "coralligenous"? What is commonly called coralligenous is, actually, a complex seascape (i.e. a submerged landscape) developing in dim light conditions, which is present exclusively in the Mediterranean Sea. Coralligenous habitat is mainly created by calcified red algae, which are constructing reef-like structures for thousands of years over marine rocky bottoms. In this respect coralligenous formations are considered to be the Mediterranean equivalent of the tropical coral reefs. At the same time, some other organisms-which are called 'eroders'-such as sponges of the genus Cliona or sea urchins-pierce and consume the calcareous substrate and thus contribute to increase the structural complexity of the coralligenous formations. This calcareous substrates also support several long-living species (sponges, gorgonians, bryozoans, corals), which are contributing to the structuring of the coralligenous habitat. Finally, a large number of invertebrates (such as nudibranchs, crustaceans, ascidians, echinoderms, molluscs) and fishes are associated with coralligenous habitats, a fact which further contributes toward the characterization of the coralligenous habitat as a unique biodiversity hotspot. Why do we observe coralligenous habitats? They are unique habitats worldwide and among the richest and most beautiful seascapes to observe during scuba diving. Thanks to their complexity, they shelter a great number of ecologically, aesthetically and commercially valuable species, some of which are also protected by National and International Laws. Coralligenous habitats are often threatened by the human behaviour. Intense anchoring, irresponsible diving, (over)fishing, litter dumping, alongside with sea surface warming (due to climatic change) and alien species invasions, are among the main threats which can induce negative effects on the health status of coralligenous habitats. By participating into the CIGESMED for divers-Citizen Science for CIGESMED project you contribute to the exploration and the conservation of the coralligenous habitats and the marine environment, while at the same you can increase your knowledge about the marine biodiversity.

Research paper thumbnail of CIGESMED* or how to integrate combined scientific and amateur large sets of heterogeneous data on coralligenous habitats for the effective evaluation of the "Good Environmental Status" of the Mediterranean Sea ?

The Mediterranean Sea is hosting almost 10% of the total marine biodiversity in spite of represen... more The Mediterranean Sea is hosting almost 10% of the total marine biodiversity in spite of representing less than 1% of the global ocean surface. This regional sea experiences high anthropogenic pressures, such as growing human population density along the coasts, urbanization, (over)harvesting of living and raw resources, extensive maritime traffic, aquaculture, invaders, pollution and eutrophication. Coastal habitats, their species composition and functioning are deeply altered by such increasing pressures. Scientific actors are designated as leaders to create new assessment methods while taking into account the difficulties of financing the necessary long term and large-scale surveys and monitoring schemes. In the European Union, Member States are required to abide Marine Strategy Framework Directive and achieve the “Good Environmental Status” (GES?) in their regional waters by 2020. To attempt this goal there is a need to develop sound knowledge on the least studied habitats, part...

Research paper thumbnail of On the presence of Pandora inaequivalvis (Bivalvia: Pandoridae) on the Levantine coast of Turkey

Marine Biodiversity Records, 2008

In a benthic study conducted in Iskenderun Bay, Turkey, in July 2007, the pandorid bivalve Pandor... more In a benthic study conducted in Iskenderun Bay, Turkey, in July 2007, the pandorid bivalve Pandora inaequivalvis was encountered at four stations having depths of 1.5-7.5 metres and muddy sand bottoms. This is the first record of this species for the Turkish part of the Levantine Sea.

Research paper thumbnail of First record of the Indo-Pacific species Electroma vexillum (Mollusca: Bivalvia: Pterioida) in the eastern Mediterranean

Marine Biodiversity Records, 2008

Research paper thumbnail of Temporal changes of soft-bottom zoobenthic communities in and around Alsancak Harbor (Izmir Bay, Aegean Sea), with special attention to the autecology of exotic species

Research paper thumbnail of Spatio-temporal distributions of zoobenthos in Mersin Bay (Levantine Sea, eastern Mediterranean) and the importance of alien species in benthic communities

Marine Biology Research, 2012

Research paper thumbnail of Faunal assemblages of the mussel Mytilus galloprovincialis in and around Alsancak Harbour (Izmir Bay, eastern Mediterranean) with special emphasis on alien species

Journal of Marine Systems, 2008

The faunal assemblages of the mussel Mytilus galloprovincialis were examined seasonally at four s... more The faunal assemblages of the mussel Mytilus galloprovincialis were examined seasonally at four stations located in and around Alsancak Harbour between January and September 2004. A total of 155 species belonging to 14 systematic groups were found in the assemblages, of which Polychaeta had the highest number of species and individuals. The assemblages were mainly composed of species tolerant to pollution. The number of individuals (maximum 209,000 ind m − 2) and biomass (maximum 24,563 g m − 2) of the assemblage were generally higher at the stations located in the harbours, whereas the station not located in the harbours had the highest number of species and diversity index values (maximum 4.19). The mussel faunal assemblages differed mainly according to seasons and locations (ANOSIM test), but seasonal samples collected at each station constituted separate groups in the MDS plot, which are moderately correlated with a combination of environmental variables such as temperature, the concentrations of total nitrogen and phosphate phosphorus (ρ r = 0.46, BIOENV test). The environmental conditions at each station, the structure of substratum to which the mussel was attached and the biotic interactions among the associated faunal components seemed to be main factors influencing the faunal assemblages of the mussel in the area. The combined effect of season and location significantly changed the community parameters such as the number of species and individuals, and the values of diversity, evenness and biomass (two-way ANOVA test). The factors significantly influencing these community parameters were the algae biomass on mussels, total nitrogen and dissolved oxygen concentrations. The density of the mussel was negatively correlated with the diversity and evenness values of samples. The mussel community included ten alien species: Pseudonereis anomala, Polydora cornuta, Streblospio gynobranchiata, Hydroides dianthus, Hydroides elegans, Maera hamigera, Stenothoe gallensis, Paradella dianae, Anadara demiri and Celleporaria brunnea. These species comprised 31% of the total number of individuals found during this study. H. elegans was the most dominant species among aliens, reaching a maximum density of 110,700 ind m − 2 (spring, at station 3, 63% of the total population) in the area. The total abundance of aliens was positively correlated with that of natives, but the total biomass value of aliens was negatively correlated with that of natives.

Research paper thumbnail of Seasonal Trends of Soft Bottom Crustaceans of Izmir Bay (Aegean Sea)

Crustaceana, 2008

This study deals with the structure of populations of Crustacea in Izmir Bay, Aegean Sea, Turkey.... more This study deals with the structure of populations of Crustacea in Izmir Bay, Aegean Sea, Turkey. Sampling was performed seasonally at 100 stations in three subsections of Izmir Bay in 1995 and 1996, in order to determine the distribution of benthic crustaceans. A total of ...

Research paper thumbnail of Decapod crustaceans new to the fauna of Cyprus

Crustaceana, 2008

Cyprus is surrounded by the waters of the Levantine Sea, eastern Mediterranean, characterized by ... more Cyprus is surrounded by the waters of the Levantine Sea, eastern Mediterranean, characterized by a higher temperature and salinity as compared to the rest of the Mediterranean Sea (Galil, 1992; Kocatas et al., 2001). The first study on the decapod crustacean fauna of the island was carried out by Heller (1863), and only 12 species had been reported by the late 19th century (see Unger & Kotschy, 1865; Plateau, 1884; Adensamer, 1898). Until recently, 150 species of decapods (44 Natantia, 11 Macrura Reptantia, 24 Anomura, 71 Brachyura) were known to occur along the Cyprus coasts (Lewinsohn & Holthuis, 1986; Kocatas et al., 2001). The study on which our present report is based, was conducted along the northern coast of Cyprus in the period 18.x.2003-03.xi.2003. Specimens were obtained by means of a Van Veen grab, a dredge, and a trawl employed over sandy-silt bottoms at depths between 11 and 225 m (fig. 1). The specimens, including those photographed, are preserved in 4% formaldehyde and deposited in the Museum of the Faculty of Fisheries, Ege University, Bornova-Izmir. With this report, the number species of Decapoda known to occur on the Cyprus coasts has increased to 152: Sicyonia carinata (Brunnich, 1768) and Upogebia mediterranea Noel, 1992 are new records for the decapod fauna of Cyprus. The nomenclature for these species follows Marine Species (2007).

Research paper thumbnail of Crustacea Decapoda associated with <I>Brachidontes pharaonis</I> (P. Fischer, 1870) (Mollusca, Bivalvia) beds from the Levantine coasts of Turkey

Crustaceana, 2008

La répartition spatiale de la faune de crustacés décapodes associée aux moulières de Brachidontes... more La répartition spatiale de la faune de crustacés décapodes associée aux moulières de Brachidontes pharaonis (Mollusca, Bivalvia) des côtes levantines de Turquie a été étudiée en septembre 2005. Des échantillons en triple ont été collectés au moyen d&#x27;un échantillonneur carré ...

Research paper thumbnail of A new record of the invasive Red Sea mussel Brachidontes pharaonis (Fischer P., 1870) (Bivalvia: Mytilidae) from the Turkish coasts

Aquatic Invasions, 2007

A specimen of the invasive mytilid mussel Brachidontes pharaonis (Fischer P., 1870) was collected... more A specimen of the invasive mytilid mussel Brachidontes pharaonis (Fischer P., 1870) was collected on 18 April 2007 in Karaburun Peninsula, İzmir. This record represents the northernmost occurrence of the species along the Aegean coast of Turkey. Information on the distribution of the species along the Mediterranean coast of Turkey is provided.

Research paper thumbnail of Marki̇z Adasi (Çandarli Körfezi̇-Ege Deni̇zi̇) Ci̇varindaki̇ Balik Çi̇ftli̇ği̇ni̇n Benti̇k Fauna Üzeri̇ndeki̇ Etki̇leri̇

Journal of …, 2008

... KISA BİLGİLENDİRME 576 MARKİZ ADASI (ÇANDARLI KÖRFEZİ-EGE DENİZİ) CİVARINDAKİ BALIK ÇİFTLİĞİN... more ... KISA BİLGİLENDİRME 576 MARKİZ ADASI (ÇANDARLI KÖRFEZİ-EGE DENİZİ) CİVARINDAKİ BALIK ÇİFTLİĞİNİN BENTİK FAUNA ... Melih Ertan Çınar, Bilal Öztürk, Mesut Önen, Tuncer KatağanEge Üniversitesi Su Ürünleri Fakültesi, Temel Bilimler Bölümü, Bornova-İzmir ...

Research paper thumbnail of Türki̇ye Deni̇zleri̇nde Dağilim Gösteren Ekonomi̇k Öneme Sahi̇p Omurgasizlar

akuademi.net

... Şileİstanbul, Turkey. Çinar, ME, and Ergen, Z., 2001, On the ecology of the Nereididae (Polyc... more ... Şileİstanbul, Turkey. Çinar, ME, and Ergen, Z., 2001, On the ecology of the Nereididae (Polychaeta: Annelida) in the Bay of Izmir, Aegean Sea, Zoology in the Middle East 22: 113-122. ... Emiral Sağlam, H., 2007, http://www.yunus.sumae.gov.tr/2004/02/04.pdf. Page 9. 44 ...

Research paper thumbnail of Response to oxygen deficiency (depletion): Bivalve assemblages as an indicator of ecosystem instability in the northern Adriatic Sea

Biologia, 2011

Benthic communities represent a powerful tool for the detection of natural and anthropogenic dist... more Benthic communities represent a powerful tool for the detection of natural and anthropogenic disturbances, as well as for the assessment of marine ecosystem stability. This paper shows that bivalve assemblages could serve as excellent indicators of disturbance and ecosystem instability. The goal of this study was to compare two sets of data in order to determine the differences between two different periods belonging to bivalve assemblage in the muddy detritic bottom of the northern Adriatic Sea in the post-anoxic period during December 1989, 1990, 1991 and quite a while later, during 2003, 2004 and 2005. Abundances of some indicator species such as Corbula gibba, Modiolarca subpicta and Timoclea ovata were detected during the post-anoxic period. Recruitment in the quality of bivalve assemblages was proved by the ecologic and biotic indexes during 2003, 2004 and 2005, during a period of relatively stable ecological conditions. Fluctuation in bivalve diversity due to the ecological q...

Research paper thumbnail of Current status (as of end of 2020) of marine alien species in Turkey

PLOS ONE

The 2020’s update of marine alien species list from Turkey yielded a total of 539 species belongi... more The 2020’s update of marine alien species list from Turkey yielded a total of 539 species belonging to 18 taxonomic groups, 404 of which have become established in the region and 135 species are casual. A total of 185 new alien species have been added to the list since the previous update of 2011. The present compilation includes reports of an ascidian species (Rhodosoma turcicum) new to the marine fauna of Turkey and range extensions of six species. Among the established species, 105 species have invasive characters at least in one zoogeographic region, comprising 19% of all alien species. Mollusca ranked first in terms of the number of species (123 species), followed by Foraminifera (91 species), Pisces (80 species) and Arthropoda (79 species). The number of alien species found in seas surrounding Turkey ranged from 28 (Black Sea) to 413 (Levantine Sea). The vectoral importance of the Suez Canal diminishes when moving from south to north, accounting for 72% of species introduction...

Research paper thumbnail of TUBI (TUrkish Benthic Index): A new biotic index for assessing impacts of organic pollution on benthic communities

A new biotic index, TUBI (TUrkish Benthic Index) is proposed here to assess the impacts of organi... more A new biotic index, TUBI (TUrkish Benthic Index) is proposed here to assess the impacts of organic enrichments on benthic community structures. This new index has two metrics; the Shannon-Weiver's diversity index (metric 1) and the relative abundance of ecological groups (metric 2). The ecological groups of species, which include five categories, were reorganized under three major categories here, namely, sensitive species (including GI and GII), tolerant species (GIII) and opportunistic species (GIV and GV). The metric 2 considers these groups with different weights and eliminates sensitive species in the calculation. Scores of TUBI vary between 0 and 5, and the benthic quality status increases with increasing TUBI scores. Benthic samples collected from Izmir Bay, and the Aegean and Levantine Seas were analyzed by using different biotic indices such as AMBI, M-AMBI, BENTIX, MEDOCC and TUBI, based on the national database for the ecological groups of benthic species. All biotic ...

Research paper thumbnail of Alien Bivalve Species Found on the Mussel (Mytilus galloprovincialis and Mytilaster minimus) Beds in Izmir Bay

Journal of the Institute of Science and Technology, 2016

Bu çalışmada, İzmir Körfezi'nde medio-littoral zonda seçilen 4 istasyonda, midye yataklarında dağ... more Bu çalışmada, İzmir Körfezi'nde medio-littoral zonda seçilen 4 istasyonda, midye yataklarında dağılım gösteren yabancı Bivalvia türlerinin tespit edilmesi amaçlamıştır. 2014 yılı Kasım ayında alınan örneklerin değerlendirilmesi sonucunda 11 bivalv türü ve bu türlere ait toplam 8200 birey saptanmıştır. Tespit edilen bivalvlerden Anadara transversa, Arcuatula senhousia, Brachidontes pharaonis ve Pinctada radiata yabancı türler olup, araştırmada bu türlerin toplam 122 bireyine rastlanmıştır. Örneklerde juvenil bireyler ile temsil edilen A. transversa, toplamda 65 birey ile en baskın yabancı tür olarak belirlenirken, B. pharaonis ise toplam 12.94 gr ile en yüksek biyomas değerine sahip yabancı tür olmuştur.

Research paper thumbnail of Prvi nalaz vrste Anadara transversa (Mollusca: Bivalvia: Arcidae) u hrvatskim vodama

Research paper thumbnail of CIGESMED for divers: Establishing a citizen science initiative for the mapping and monitoring of coralligenous assemblages in the Mediterranean Sea

Biodiversity Data Journal, 2016

Background Over the last decade, inventorying and monitoring of marine biodiversity has significa... more Background Over the last decade, inventorying and monitoring of marine biodiversity has significantly benefited from the active engagement of volunteers. Although several Citizen Science projects concern tropical reef ecosystems worldwide, none of the existing initiatives has yet specifically focused on their Mediterranean equivalents. Mediterranean coralline reefs,