Arif Gönülol - Academia.edu (original) (raw)

Papers by Arif Gönülol

Research paper thumbnail of Isolated from Lakes of

doi:10.3906/biy-1001-19 Morphological and 18S rRNA analysis of coccoid green algae

Research paper thumbnail of Türkiye’deki Mert Irmağı’nın Yüzey Suyu Kalitesini Değerlendirmek için Su Kalite İndeksi Metodunun Uygulanması

DergiPark (Istanbul University), Sep 1, 2018

In this study, the water quality data obtained from 6 sampling stations between July 2011 and Jun... more In this study, the water quality data obtained from 6 sampling stations between July 2011 and June 2012 monitoring period at Mert stream was evaluated. In order to assess the present water quality of Mert stream, different WQI approach (modified WQImin) was applied to a data set expressly collected for the present study. The mean WQI value of the stream is 81.9, which lies on the mid water classification region, so the water is considered at fair quality. The resulted WQI shows that 91.6, 92.5, 74.3, 91.6, 75.2 and 62.5 for sites St1, St2, St3, St4, St5 and St6 respectively. Among stations, there was significant variations in water quality index from poor quality to good quality that St5 and St6 in urban part and St3 in rural part of the stream are under the pressure of pollution. While the reason of the low water quality in 5th and 6th stations is based on domestic and industrial wastes, the reason of poorness in 3th station arises from poultry farm wastes poured intensely from chicken farms near the station into the stream in Kavak district. The most effective water quality parameters are pH, electrical conductivity (EC) and total suspended solids (TSS) on the determination of WQI for the present study.

Research paper thumbnail of Trophic Status Assessment In Some Lotic Ecosystem In Turkey (Sakarya Basin)

Iğdır üniversitesi fen bilimleri enstitüsü dergisi, Apr 26, 2023

Benthic diatoms constitute a very important group of organisms in terms of providing information ... more Benthic diatoms constitute a very important group of organisms in terms of providing information about the water quality of the lotic ecosystems. This research was carried out in Istanbul creek, Aliaga creek, Bostancı creek and Orta creek in the Sakarya basin. The trophic states of these creeks were evaluated according to their diatomes. In the study, the epilithic diatoms were determined to consist of 42 taxa belonging to İstanbul creek, 28 to Bostancı creek, 25 to Orta creek and 20 to Aliaga creek. A total of 51 taxa were determined in the creeks. In this study, Cocconeis pediculus, Ulnaria ulna and Cymbella affinis were found to have the highest abundant at the stations. In the creeks, water temperature, dissolved oxygen and pH were determined as respectively 9.1-14.1 ℃, 8.2-9.4 mg L-1, 7.1- 7.5 and conductivity as 210.2 - 240.4 μS cm-1. Although different results were obtained according to the diatom indices criteria (IBD, SLA,IDSE,IDAP, TID, SID,CEE, WAT, TDI, SHE, TIT) the creeks were determined to be close to water quality class I -II according to the Surface Water Quality Regulation In general, according to the diatom index values, it has been determined that the creeks have good-medium quality water characteristics.

Research paper thumbnail of İçme suyu temini ve sulama lı kurulan Çakmak Baraj Gölü’nün fitoplankton dinamiği

DergiPark (Istanbul University), Jun 1, 2014

Research paper thumbnail of Nineteen new records for Turkish freshwater algal flora from Lake Taşkısığı and Lake Little Akgöl

Biological Diversity and Conservation, 2017

Research paper thumbnail of Thirty new records for Turkish freshwater algal flora from Danamandıra Ponds Silivri İstanbul and NorthMollaköy Lake Sakarya

Research paper thumbnail of Application of water quality index method for assessing the surface water quality status of Mert Stream in Turkey

Biyolojik Çeşitlilik ve Koruma, Dec 15, 2018

In this study, the water quality data obtained from 6 sampling stations between July 2011 and Jun... more In this study, the water quality data obtained from 6 sampling stations between July 2011 and June 2012 monitoring period at Mert stream was evaluated. In order to assess the present water quality of Mert stream, different WQI approach (modified WQImin) was applied to a data set expressly collected for the present study. The mean WQI value of the stream is 81.9, which lies on the mid water classification region, so the water is considered at fair quality. The resulted WQI shows that 91.6, 92.5, 74.3, 91.6, 75.2 and 62.5 for sites St1, St2, St3, St4, St5 and St6 respectively. Among stations, there was significant variations in water quality index from poor quality to good quality that St5 and St6 in urban part and St3 in rural part of the stream are under the pressure of pollution. While the reason of the low water quality in 5th and 6th stations is based on domestic and industrial wastes, the reason of poorness in 3th station arises from poultry farm wastes poured intensely from chicken farms near the station into the stream in Kavak district. The most effective water quality parameters are pH, electrical conductivity (EC) and total suspended solids (TSS) on the determination of WQI for the present study.

Research paper thumbnail of Güney Karadeniz'in Samsun Kıyı Sularında Mesozooplankton Faunasının Bolluk ve Biyokütlesinin Mevsimsel Değişimi (Türkiye)

DergiPark (Istanbul University), Sep 15, 2014

Research paper thumbnail of Si̇nop-Ayancik Kiyilari Üst-İnfrali̇ttorali̇ni̇n Alg Florasi ∗

Journal of Fisheriessciences.com, 2007

... Karadeniz kıyılarında ise deniz algleri ile ilgili çalışmalar, Zeybek, 1973, Cirik ve Cihangi... more ... Karadeniz kıyılarında ise deniz algleri ile ilgili çalışmalar, Zeybek, 1973, Cirik ve Cihangir (1987), Öztürk ve Öztürk, (1988), Altındağ, (1990), Aysel ve ark. (1990, 1996, 1997), Özer ve Köksal (1993), Aysel ve Erduğan (1995) ve Erduğan ve ark. ...

Research paper thumbnail of Phytoplankton Dynamics and Some Physicochemical Variables in Cakmak Reservoir (Samsun, Turkey)

Manas journal of agriculture veterinary and life sciences, Apr 4, 2014

Phytoplankton dynamics and some physicochemical properties of Cakmak Reservoir were investigated ... more Phytoplankton dynamics and some physicochemical properties of Cakmak Reservoir were investigated between May 2003 and April 2005 which is used for irrigation and drinking water supply. A total of 132 taxa were identified belonging to the following divisions; Cyanobacteria, Charophyta, Chlorophyta, Cryptophyta, Euglenozoa, Myzozoa and Ochrophyta. Although Ochrophytes were rich in respect to species diversity, Chlorophytes attained a larger population density. Ulnaria ulna, Fragilaria tenera and Goniochloris mutica from Ochrophyta, Chlorella vulgaris, Monoraphidium obtusum and Ulothrix tenerrima from Chlorophyta, Cryptomonas ovata and C. erosa from Cryptophyta increased in some months. The seasonal variation of phytoplankton based on depth was compatible with surface water. Phytoplankton abundance was lower in winter and there was an increase in summer in Cakmak Reservoir. The reservoir water was slightly alkaline according to the pH; was alkaline according to the calcium; was in the slightly hard water group according to the hardness values; had low and medium productivity degree according to the phosphorus.

Research paper thumbnail of The Phytoplankton of Lake Akg�l, Turkey

Research paper thumbnail of A comment on the results reported by Çetin and Şen

Turkish Journal of Botany, 2005

Research paper thumbnail of Sarikum (Si̇nop-Türki̇ye) Lagününün Benti̇k Algleri̇

Journal of …, 2008

Page 1. 2(4): 592-600 (2008) DOI: 10.3153/jfscom.2008022 Journal of FisheriesSciences.com ISSN 13... more Page 1. 2(4): 592-600 (2008) DOI: 10.3153/jfscom.2008022 Journal of FisheriesSciences.com ISSN 1307-234X © 2008www.fisheriessciences.com RESEARCH ARTICLE ARAŞTIRMA MAKALESİ 592 SARIKUM (SİNOP-TÜRKİYE) LAGÜNÜNÜN BENTİK ALGLERİ ...

Research paper thumbnail of Planktonic algae of Derbent Dam Lake (Samsun, Turkey)

Journal of Fisheries Sciences.com, 2007

tarihleri arasında incelenmiştir. Fitoplanktonda 8 bölüme ait toplam 180 takson belirlenmiştir. B... more tarihleri arasında incelenmiştir. Fitoplanktonda 8 bölüme ait toplam 180 takson belirlenmiştir. Bunların 22'si Cyanophyta (Cyanobacteria) [%12], 74'ü Bacillariophyta [%41], 69'u Chlorophyta [%38], 1'i Chrysophyta [%1], 2'si Cryptophyta [%1], 6'sı Euglenophyta [%3], 3'ü Pyrrophyta [%2] ve 3'ü Xanthophyta [%2] bölümlerine aittir. Planktonik alg kompozisyonuna göre Derbent Baraj Gölü oligotrofiden mezotrofiye giden bir özellik göstermektedir.

Research paper thumbnail of Temporal changes of copepod abundance and species compositions in the coastal water of Samsun, the southern Black Sea (Turkey)

The copepod fauna in Samsun coastal region of the Black Sea was investigated between January 2008... more The copepod fauna in Samsun coastal region of the Black Sea was investigated between January 2008 and December 2008. Species composition and abundance as well as physichochemical factors which may influence on them were determined in the samples monthly collected at five stations in the research area. A Bray-Curtis similarity matrix was created from the copepod abundance data and the analyses of agglomerative hierrarchical cluster analysis and multi-dimensional scaling were performed using similarity matrix. A total of 10 species; including seven species Calanus euxinus Hulsemann, 1991; Paracalanus parvus (Claus 1863); Centropagaes ponticus Karavaev, 1894; Calanipedia aquaedulcis (Kritchagin, 1873); Acanthodiaptomus denticornis (Wierzjski 1857); Acartia (Acartiura) clausi Giesbrecht, 1889; Pseudocalanus elongatus (Boeck 1965) belonging to Calanoida, one species Oithona similis (Claus 1863) belonging to Cyclopoida and two species (Euterpina acutifrons Dana, 1852; Canuella perplexa T....

Research paper thumbnail of Seasonal variations and occurrence of epiphytic diatom assemblages on mats of Cladophora glomerata in Lake Ladik, Samsun, Turkey

Cryptogamie Algologie, 2007

La composition et la variation saisonniere des diatomees epiphytes dans une station du lac de Lad... more La composition et la variation saisonniere des diatomees epiphytes dans une station du lac de Ladik a ete etudiee sur des prelevements effectues entre juin 2000 et mai 2001. 50 diatomees ont ete identifiees dans l'epiphyton. Gomphonema olivaceum, Gomphonema minutum et Nitzschia fonticola sont particulierement developpees sur Cladophora. Pendant l'hiver quelques especes de Navicula deviennent progressivement plus importantes. Gomphonema lateripunctatum est particulierement remarquables. D'autres diatomees comme Cyclotella ocellata, Aulacoseria distans, Cymbella affinis, C. ventricosa et Navicula halophila sont occasionnellement abondantes. Fragilaria ulna et Gomphonema ventricosum sont tres visibles par leur grande taille, mais sont peu abondantes. Une analyse par dendrogramme a ete appliquee a la communaute d'algues epiphytes. Les variations saisonnieres sont classees d'apres leur niveau de ressemblance. On a calcule la richesse et la variete des especes ramassees mois par mois (Shannon-Wiener, H'). La relation entre la variete algale et les variables physicochimiques a ete mise en evidence par des analyses de correspondance.

Research paper thumbnail of The Algae Flora of Hereke Stream (Kocaeli -Turkey)

Journal of Limnology and Freshwater Fisheries Research

Akuatik ekosistemlerin besin zincirinde algler oldukça önemlidir. Lotik ve lentik ekosistemlerin ... more Akuatik ekosistemlerin besin zincirinde algler oldukça önemlidir. Lotik ve lentik ekosistemlerin biyoçeşitliliğinin belirlenmesinde incelenmeleri gerekmektedir. Hereke Deresi'nin epilitik ve planktonik florasını tespit etmek amacıyla 4 istasyon seçilmiştir. Bu çalışma Ocak 2015-Kasım 2015 tarihleri arasında mevsimsel olarak gerçekleştirilmiştir. Hereke Deresinde yapılan bu araştırmada, 20 takson Bacillariophyta, 2 takson Chlorophyta, 2 takson Cyanobacteria (= Cyanophyta) ve 1 takson Charophyta bölümlerine ait olmak üzere toplam 25 takson tespit edilmiştir. Alg florasının % 80 Bacillariophyta grubu üyelerinden oluşmaktadır.

Research paper thumbnail of Study on the Phytoplankton and Seasonal Variation of Lake Simenit (Terme - Samsun, Turkey)

Turkish Journal of Fisheries and Aquatic Sciences, 2003

The composition and seasonal variations of phytoplankton in Lake Simenit were studied between jun... more The composition and seasonal variations of phytoplankton in Lake Simenit were studied between june 2000 to may 2001. 175 taxa belonging to the Cyanoprokaryota, Bacillariophyta, Chlorophyta, Cryptophyta, Dinophyta, Euglenophyta and Xanthophyta divisions were identified. In the phytoplankton species belonging to the genera of Chaetoceros, Cyclotella, Cocconeis, Scenedesmus, Anabaena, Euglena, Trachelomonas caused water blooms in certain months. The Lake water was light alkaline and it was varied between hardness and very hardness water groups. The temperature and nutrient levels affected the composition and seasonal variations of phytoplankton.

Research paper thumbnail of A study on the phytoplankton of Lake Simenit, Turkey

Cryptogamie Algologie, 2006

. Le phytoplancton du lac de Simenit a ete etudie de juin 2000 a 2001. Au total 167 taxons appart... more . Le phytoplancton du lac de Simenit a ete etudie de juin 2000 a 2001. Au total 167 taxons appartenant aux Cyanophyta, Bacillariophyta, Chlorophyta, Cryptophyta, Dinophyta, Euglenophyta et Xanthophyta ont ete identifies. Des efflorescences de Chaetoceros, Cyclotella, Cocconeis, Scenedesmus, Anabaena, Euglena, Trachelomonas ont ete observees a certaines periode. L'eau du lac est legerement alcaline ; les variations de la durete totale permettent de la classer dans la categorie des eaux dures a tres dures. La temperature et les nutriments ont influence la composition du phytoplancton. Une classification hierarchique a permis de comparer les stations.

Research paper thumbnail of Güney Karadeniz kıyısal sularında Türkiye denizleri fitoplanktonu için yeni kayıtlar

Six new records for Turkish Marine Phytoplankton are reported first time from southern Black Sea ... more Six new records for Turkish Marine Phytoplankton are reported first time from southern Black Sea coastal waters. One of these taxa was from Zygnematophyceae, four were from Bacillariophyceae and one was from Fragilariophyceae.

Research paper thumbnail of Isolated from Lakes of

doi:10.3906/biy-1001-19 Morphological and 18S rRNA analysis of coccoid green algae

Research paper thumbnail of Türkiye’deki Mert Irmağı’nın Yüzey Suyu Kalitesini Değerlendirmek için Su Kalite İndeksi Metodunun Uygulanması

DergiPark (Istanbul University), Sep 1, 2018

In this study, the water quality data obtained from 6 sampling stations between July 2011 and Jun... more In this study, the water quality data obtained from 6 sampling stations between July 2011 and June 2012 monitoring period at Mert stream was evaluated. In order to assess the present water quality of Mert stream, different WQI approach (modified WQImin) was applied to a data set expressly collected for the present study. The mean WQI value of the stream is 81.9, which lies on the mid water classification region, so the water is considered at fair quality. The resulted WQI shows that 91.6, 92.5, 74.3, 91.6, 75.2 and 62.5 for sites St1, St2, St3, St4, St5 and St6 respectively. Among stations, there was significant variations in water quality index from poor quality to good quality that St5 and St6 in urban part and St3 in rural part of the stream are under the pressure of pollution. While the reason of the low water quality in 5th and 6th stations is based on domestic and industrial wastes, the reason of poorness in 3th station arises from poultry farm wastes poured intensely from chicken farms near the station into the stream in Kavak district. The most effective water quality parameters are pH, electrical conductivity (EC) and total suspended solids (TSS) on the determination of WQI for the present study.

Research paper thumbnail of Trophic Status Assessment In Some Lotic Ecosystem In Turkey (Sakarya Basin)

Iğdır üniversitesi fen bilimleri enstitüsü dergisi, Apr 26, 2023

Benthic diatoms constitute a very important group of organisms in terms of providing information ... more Benthic diatoms constitute a very important group of organisms in terms of providing information about the water quality of the lotic ecosystems. This research was carried out in Istanbul creek, Aliaga creek, Bostancı creek and Orta creek in the Sakarya basin. The trophic states of these creeks were evaluated according to their diatomes. In the study, the epilithic diatoms were determined to consist of 42 taxa belonging to İstanbul creek, 28 to Bostancı creek, 25 to Orta creek and 20 to Aliaga creek. A total of 51 taxa were determined in the creeks. In this study, Cocconeis pediculus, Ulnaria ulna and Cymbella affinis were found to have the highest abundant at the stations. In the creeks, water temperature, dissolved oxygen and pH were determined as respectively 9.1-14.1 ℃, 8.2-9.4 mg L-1, 7.1- 7.5 and conductivity as 210.2 - 240.4 μS cm-1. Although different results were obtained according to the diatom indices criteria (IBD, SLA,IDSE,IDAP, TID, SID,CEE, WAT, TDI, SHE, TIT) the creeks were determined to be close to water quality class I -II according to the Surface Water Quality Regulation In general, according to the diatom index values, it has been determined that the creeks have good-medium quality water characteristics.

Research paper thumbnail of İçme suyu temini ve sulama lı kurulan Çakmak Baraj Gölü’nün fitoplankton dinamiği

DergiPark (Istanbul University), Jun 1, 2014

Research paper thumbnail of Nineteen new records for Turkish freshwater algal flora from Lake Taşkısığı and Lake Little Akgöl

Biological Diversity and Conservation, 2017

Research paper thumbnail of Thirty new records for Turkish freshwater algal flora from Danamandıra Ponds Silivri İstanbul and NorthMollaköy Lake Sakarya

Research paper thumbnail of Application of water quality index method for assessing the surface water quality status of Mert Stream in Turkey

Biyolojik Çeşitlilik ve Koruma, Dec 15, 2018

In this study, the water quality data obtained from 6 sampling stations between July 2011 and Jun... more In this study, the water quality data obtained from 6 sampling stations between July 2011 and June 2012 monitoring period at Mert stream was evaluated. In order to assess the present water quality of Mert stream, different WQI approach (modified WQImin) was applied to a data set expressly collected for the present study. The mean WQI value of the stream is 81.9, which lies on the mid water classification region, so the water is considered at fair quality. The resulted WQI shows that 91.6, 92.5, 74.3, 91.6, 75.2 and 62.5 for sites St1, St2, St3, St4, St5 and St6 respectively. Among stations, there was significant variations in water quality index from poor quality to good quality that St5 and St6 in urban part and St3 in rural part of the stream are under the pressure of pollution. While the reason of the low water quality in 5th and 6th stations is based on domestic and industrial wastes, the reason of poorness in 3th station arises from poultry farm wastes poured intensely from chicken farms near the station into the stream in Kavak district. The most effective water quality parameters are pH, electrical conductivity (EC) and total suspended solids (TSS) on the determination of WQI for the present study.

Research paper thumbnail of Güney Karadeniz'in Samsun Kıyı Sularında Mesozooplankton Faunasının Bolluk ve Biyokütlesinin Mevsimsel Değişimi (Türkiye)

DergiPark (Istanbul University), Sep 15, 2014

Research paper thumbnail of Si̇nop-Ayancik Kiyilari Üst-İnfrali̇ttorali̇ni̇n Alg Florasi ∗

Journal of Fisheriessciences.com, 2007

... Karadeniz kıyılarında ise deniz algleri ile ilgili çalışmalar, Zeybek, 1973, Cirik ve Cihangi... more ... Karadeniz kıyılarında ise deniz algleri ile ilgili çalışmalar, Zeybek, 1973, Cirik ve Cihangir (1987), Öztürk ve Öztürk, (1988), Altındağ, (1990), Aysel ve ark. (1990, 1996, 1997), Özer ve Köksal (1993), Aysel ve Erduğan (1995) ve Erduğan ve ark. ...

Research paper thumbnail of Phytoplankton Dynamics and Some Physicochemical Variables in Cakmak Reservoir (Samsun, Turkey)

Manas journal of agriculture veterinary and life sciences, Apr 4, 2014

Phytoplankton dynamics and some physicochemical properties of Cakmak Reservoir were investigated ... more Phytoplankton dynamics and some physicochemical properties of Cakmak Reservoir were investigated between May 2003 and April 2005 which is used for irrigation and drinking water supply. A total of 132 taxa were identified belonging to the following divisions; Cyanobacteria, Charophyta, Chlorophyta, Cryptophyta, Euglenozoa, Myzozoa and Ochrophyta. Although Ochrophytes were rich in respect to species diversity, Chlorophytes attained a larger population density. Ulnaria ulna, Fragilaria tenera and Goniochloris mutica from Ochrophyta, Chlorella vulgaris, Monoraphidium obtusum and Ulothrix tenerrima from Chlorophyta, Cryptomonas ovata and C. erosa from Cryptophyta increased in some months. The seasonal variation of phytoplankton based on depth was compatible with surface water. Phytoplankton abundance was lower in winter and there was an increase in summer in Cakmak Reservoir. The reservoir water was slightly alkaline according to the pH; was alkaline according to the calcium; was in the slightly hard water group according to the hardness values; had low and medium productivity degree according to the phosphorus.

Research paper thumbnail of The Phytoplankton of Lake Akg�l, Turkey

Research paper thumbnail of A comment on the results reported by Çetin and Şen

Turkish Journal of Botany, 2005

Research paper thumbnail of Sarikum (Si̇nop-Türki̇ye) Lagününün Benti̇k Algleri̇

Journal of …, 2008

Page 1. 2(4): 592-600 (2008) DOI: 10.3153/jfscom.2008022 Journal of FisheriesSciences.com ISSN 13... more Page 1. 2(4): 592-600 (2008) DOI: 10.3153/jfscom.2008022 Journal of FisheriesSciences.com ISSN 1307-234X © 2008www.fisheriessciences.com RESEARCH ARTICLE ARAŞTIRMA MAKALESİ 592 SARIKUM (SİNOP-TÜRKİYE) LAGÜNÜNÜN BENTİK ALGLERİ ...

Research paper thumbnail of Planktonic algae of Derbent Dam Lake (Samsun, Turkey)

Journal of Fisheries Sciences.com, 2007

tarihleri arasında incelenmiştir. Fitoplanktonda 8 bölüme ait toplam 180 takson belirlenmiştir. B... more tarihleri arasında incelenmiştir. Fitoplanktonda 8 bölüme ait toplam 180 takson belirlenmiştir. Bunların 22'si Cyanophyta (Cyanobacteria) [%12], 74'ü Bacillariophyta [%41], 69'u Chlorophyta [%38], 1'i Chrysophyta [%1], 2'si Cryptophyta [%1], 6'sı Euglenophyta [%3], 3'ü Pyrrophyta [%2] ve 3'ü Xanthophyta [%2] bölümlerine aittir. Planktonik alg kompozisyonuna göre Derbent Baraj Gölü oligotrofiden mezotrofiye giden bir özellik göstermektedir.

Research paper thumbnail of Temporal changes of copepod abundance and species compositions in the coastal water of Samsun, the southern Black Sea (Turkey)

The copepod fauna in Samsun coastal region of the Black Sea was investigated between January 2008... more The copepod fauna in Samsun coastal region of the Black Sea was investigated between January 2008 and December 2008. Species composition and abundance as well as physichochemical factors which may influence on them were determined in the samples monthly collected at five stations in the research area. A Bray-Curtis similarity matrix was created from the copepod abundance data and the analyses of agglomerative hierrarchical cluster analysis and multi-dimensional scaling were performed using similarity matrix. A total of 10 species; including seven species Calanus euxinus Hulsemann, 1991; Paracalanus parvus (Claus 1863); Centropagaes ponticus Karavaev, 1894; Calanipedia aquaedulcis (Kritchagin, 1873); Acanthodiaptomus denticornis (Wierzjski 1857); Acartia (Acartiura) clausi Giesbrecht, 1889; Pseudocalanus elongatus (Boeck 1965) belonging to Calanoida, one species Oithona similis (Claus 1863) belonging to Cyclopoida and two species (Euterpina acutifrons Dana, 1852; Canuella perplexa T....

Research paper thumbnail of Seasonal variations and occurrence of epiphytic diatom assemblages on mats of Cladophora glomerata in Lake Ladik, Samsun, Turkey

Cryptogamie Algologie, 2007

La composition et la variation saisonniere des diatomees epiphytes dans une station du lac de Lad... more La composition et la variation saisonniere des diatomees epiphytes dans une station du lac de Ladik a ete etudiee sur des prelevements effectues entre juin 2000 et mai 2001. 50 diatomees ont ete identifiees dans l'epiphyton. Gomphonema olivaceum, Gomphonema minutum et Nitzschia fonticola sont particulierement developpees sur Cladophora. Pendant l'hiver quelques especes de Navicula deviennent progressivement plus importantes. Gomphonema lateripunctatum est particulierement remarquables. D'autres diatomees comme Cyclotella ocellata, Aulacoseria distans, Cymbella affinis, C. ventricosa et Navicula halophila sont occasionnellement abondantes. Fragilaria ulna et Gomphonema ventricosum sont tres visibles par leur grande taille, mais sont peu abondantes. Une analyse par dendrogramme a ete appliquee a la communaute d'algues epiphytes. Les variations saisonnieres sont classees d'apres leur niveau de ressemblance. On a calcule la richesse et la variete des especes ramassees mois par mois (Shannon-Wiener, H'). La relation entre la variete algale et les variables physicochimiques a ete mise en evidence par des analyses de correspondance.

Research paper thumbnail of The Algae Flora of Hereke Stream (Kocaeli -Turkey)

Journal of Limnology and Freshwater Fisheries Research

Akuatik ekosistemlerin besin zincirinde algler oldukça önemlidir. Lotik ve lentik ekosistemlerin ... more Akuatik ekosistemlerin besin zincirinde algler oldukça önemlidir. Lotik ve lentik ekosistemlerin biyoçeşitliliğinin belirlenmesinde incelenmeleri gerekmektedir. Hereke Deresi'nin epilitik ve planktonik florasını tespit etmek amacıyla 4 istasyon seçilmiştir. Bu çalışma Ocak 2015-Kasım 2015 tarihleri arasında mevsimsel olarak gerçekleştirilmiştir. Hereke Deresinde yapılan bu araştırmada, 20 takson Bacillariophyta, 2 takson Chlorophyta, 2 takson Cyanobacteria (= Cyanophyta) ve 1 takson Charophyta bölümlerine ait olmak üzere toplam 25 takson tespit edilmiştir. Alg florasının % 80 Bacillariophyta grubu üyelerinden oluşmaktadır.

Research paper thumbnail of Study on the Phytoplankton and Seasonal Variation of Lake Simenit (Terme - Samsun, Turkey)

Turkish Journal of Fisheries and Aquatic Sciences, 2003

The composition and seasonal variations of phytoplankton in Lake Simenit were studied between jun... more The composition and seasonal variations of phytoplankton in Lake Simenit were studied between june 2000 to may 2001. 175 taxa belonging to the Cyanoprokaryota, Bacillariophyta, Chlorophyta, Cryptophyta, Dinophyta, Euglenophyta and Xanthophyta divisions were identified. In the phytoplankton species belonging to the genera of Chaetoceros, Cyclotella, Cocconeis, Scenedesmus, Anabaena, Euglena, Trachelomonas caused water blooms in certain months. The Lake water was light alkaline and it was varied between hardness and very hardness water groups. The temperature and nutrient levels affected the composition and seasonal variations of phytoplankton.

Research paper thumbnail of A study on the phytoplankton of Lake Simenit, Turkey

Cryptogamie Algologie, 2006

. Le phytoplancton du lac de Simenit a ete etudie de juin 2000 a 2001. Au total 167 taxons appart... more . Le phytoplancton du lac de Simenit a ete etudie de juin 2000 a 2001. Au total 167 taxons appartenant aux Cyanophyta, Bacillariophyta, Chlorophyta, Cryptophyta, Dinophyta, Euglenophyta et Xanthophyta ont ete identifies. Des efflorescences de Chaetoceros, Cyclotella, Cocconeis, Scenedesmus, Anabaena, Euglena, Trachelomonas ont ete observees a certaines periode. L'eau du lac est legerement alcaline ; les variations de la durete totale permettent de la classer dans la categorie des eaux dures a tres dures. La temperature et les nutriments ont influence la composition du phytoplancton. Une classification hierarchique a permis de comparer les stations.

Research paper thumbnail of Güney Karadeniz kıyısal sularında Türkiye denizleri fitoplanktonu için yeni kayıtlar

Six new records for Turkish Marine Phytoplankton are reported first time from southern Black Sea ... more Six new records for Turkish Marine Phytoplankton are reported first time from southern Black Sea coastal waters. One of these taxa was from Zygnematophyceae, four were from Bacillariophyceae and one was from Fragilariophyceae.