Community Structure, Temporal and Spatial Changes of Epiphytic Algae on Three Different Submerged Macrophytes in a Shallow Lake

Öterler, Burak

doi:10.15244/pjoes/70232

Cited by 13 publications

(7 citation statements)

References 27 publications

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“…By adding 36 epiphytic diatom species obtained in this study to the list, this number was updated as 164 for diatoms and 369 for total phytoplankton. When considering the epiphytic diatom studies carried out in lakes and reservoirs in Turkey; 39 epiphytic diatom species from Karkamış and Birecik Reservoirs (46), 31 from Lake Liman (47), 66 from Lake Gala (48), and 61 from Lake Mogan (49) have been reported. Accordingly, it has been determined that Büyükçekmece Reservoir has a similar number of epiphytic diatom species with other lakes and reservoirs.…”

Section: Discussionmentioning

confidence: 99%

“…According to this classification, Büyükçekmece Reservoir was generally in poor and moderate status, and in some sampling periods, it was found to be in good status (St.4 in May, St.1 in August, and St.2 in November). In addition, it was observed that H' values obtained from studies on epiphytic diatoms in other freshwater resources ranged from 0.867 to 1.427 (47,48). Accordingly, it was revealed that the diversity of Büyükçekmece Reservoir is at a higher level than the other sources.…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of the Relationship between Epiphytic Diatoms and Water Quality Parameters in the Büyükçekmece Reservoir

Aykut¹,

Özdelica²,

Durmuş³

et al. 2021

ejb

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Objective: In this study carried out in Büyükçekmece Reservoir, the composition, distribution, seasonal changes of epiphytic diatoms that live on the surfaces of plants, and the effects of environmental parameters on these organisms were investigated, and it was aimed to reveal the water quality of the reservoir. Materials and Methods:In order to determine the seasonal changes of epiphytic diatom species in Büyükçekmece Reservoir, water and material samples were collected from five stations in 2019. In the study, water temperature, salinity, conductivity, dissolved oxygen, and pH values, which are among the basic ecological variables, were measured. Epiphytic diatom samples were obtained from Phragmites sp. species. Also, Spearman's rank correlation, Shannon-Weaver diversity index, Cluster (Bray-Curtis and Euclidean Distance), and ordination analysis (DCA and CCA) were applied in the study.Results: 66 epiphytic diatom species were identified in this study, and 36 of these species are new records for the reservoir. Most epiphytic diatom species were obtained in August, and the lowest number was obtained in November. According to the pH values, it was determined that the reservoir is alkaline. In addition, it was determined that the main factors affecting the distribution of epiphytic diatom species in the reservoir are temperature and conductivity, and it was revealed that ecological variables affect species distribution. Conclusion:According to conductivity and DO values, it was determined that the reservoir was of very good and of good quality, and in terms of DO values, the reservoir was mainly oligotrophic. However, station 5 was mesotrophic during the August sampling period, station 4 was mesotrophic, and station 5 was eutrophic in November. Also, Büyükçekmece Reservoir was found in poor and moderate status according to H' classification.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Evaluation of the Relationship between Epiphytic Diatoms and Water Quality Parameters in the Büyükçekmece Reservoir

Aykut¹,

Özdelica²,

Durmuş³

et al. 2021

ejb

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“…Cultivation of paddy is a quite an intense around the Gala Lake and it is known that about 25% of total rice production of Turkey is being supplied from Meriç Plain. Paddy harvest of the region starts in autumn season and gradually continues until the end of this season and drainage waters from these rice cultivation lands are being discharged to the Gala Lake through numbers of irrigation canal systems (Erkmen and Kolankaya 2006, Güher et al 2011, Öterler 2017, Tokatlı 2015, 2018, Batur and Maktav 2019, Tokatlı and Ustaoğlu 2020, Varol and Tokatlı 2021.…”

Section: Fig 4 a Visual Summary Of The Research Data And An Image Fro...mentioning

confidence: 99%

Which Organism is More Suitable As A Toxic Metal Accumulation Bioindicator – Fishes Or Diatoms: A Case Study Of An A Class Wetland In Northwest Türkiye Under Effect Of An Intensive Paddy Cultivation Stress?

Tokatlı

2022

Preprint

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In this research, “diatoms” as the first step and “fishes” as the last step of the food chain were compared as the toxic metal accumulation bioindicator in an A Class wetland in Turkey. Toxicant bioaccumulations were determined in liver, gill and muscle tissues of 2 commercially consumed fish species "Carassius gibelio" and "Cyyprinus carpio" and in frustules of epiphytic diatom communities living on submerged macrophytes. Samples were collected from the Gala Lake, which is among the best stopover habitats of birds migrating between Europe and Africa, seasonally considering the paddy harvest period, which is a major stress factor for the ecosystem. Also potential human health risks associated with the consumption of fishes and consumption – dermal contact of diatoms were evaluated both for summer – before paddy harvest (BPH) and autumn – after paddy harvest (APH) periods. As a result of this research, the investigated toxic metal bioaccumulation levels were increased significantly in diatoms in the APH period, while less significant exchanges were recorded in fish tissues, in general. The data showed that the diatoms are much more sensitive to changes in the environmental conditions than fishes and they are more effective biological tools as toxic metal accumulation bioindicators than fishes.

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“…Nilai-nilai struktur komunitas seperti indeks keanekaragaman jenis Shannon-Wiener (H), indeks kemerataan jenis Pielou (E), dan indeks dominansi Simpson (D) dihitung berdasarkan Odum (1971). Indeks keanekaragaman jenis Shannon-Wiener (H) menentukan tingkat keanekaragaman spesies dalam suatu komunitas.…”

Section: Bahan Dan Metodeunclassified

Kerapatan Populasi Makrofita Berpengaruh Terhadap Kelimpahan Dan Keanekaragaman Mikroalga Epifiton Di Danau Tempe

Nofdianto¹,

Tanjung²

2019

Limnotek : Perairan Darat Tropis Di Indonesia

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Danau paparan banjir seperti Danau Tempe memiliki potensi perikanan air tawar cukup besar karena didukung oleh keunikan dalam hal produktivitasnya yang sangat tinggi pada musim hujan. Selain berfungsi sebagai komponen utama dalam produktivitas danau dan sebagai feeding ground bagi berbagai spesies ikan, tumbuhan air atau makrofita yang tumbuh subur di pinggir danau juga merupakan substrat bagi mikroalga epifiton yang berperan penting dalam produktivitas sekunder danau. Penelitian ini bertujuan untuk memastikan bahwa pengendalian kerapatan tumbuh makrofita sebagai substrat mikroalga epifiton penting dilakukan untuk mendukung keberlanjutan produktivitas perikanan berbasis ekosistem. Penelitian ini dilakukan di Danau Tempe pada bulan Maret, Mei, dan Juli 2017 terhadap kerapatan makrofita yang berbeda berdasarkan penerimaan cahaya. Sampel berupa batang makrofita dengan panjang 10 cm yang terendam dalam air diambil secara komposit sebanyak 5 batang, lalu disikat untuk mendapatkan mikroalga epifiton. Identifikasi epifiton dilakukan di Laboratorium Pusat Penelitian Limnologi LIPI. Hasilnya menunjukkan bahwa kerapatan tumbuh makrofita berpengaruh negatif terhadap kelimpahan dan keanekaragaman mikroalga epifiton di Danau Tempe. Kerapatan makrofita memengaruhi intensitas cahaya yang diterima epifiton, sehingga makrofita dengan kerapatan rendah memiliki kelimpahan epifiton lebih tinggi dibandingkan makrofita yang tumbuh rapat. Dengan demikian, pengaturan kerapatan makrofita dapat menjadi salah satu strategi dalam pengelolaan sumber daya perikanan dengan menjaga keberlanjutan populasi epifiton sebagai produsen primer yang penting untuk mendukung produktivitas di perairan danau dangkal seperti Danau Tempe.

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Community Structure, Temporal and Spatial Changes of Epiphytic Algae on Three Different Submerged Macrophytes in a Shallow Lake

Cited by 13 publications

References 27 publications

Evaluation of the Relationship between Epiphytic Diatoms and Water Quality Parameters in the Büyükçekmece Reservoir

Evaluation of the Relationship between Epiphytic Diatoms and Water Quality Parameters in the Büyükçekmece Reservoir

Which Organism is More Suitable As A Toxic Metal Accumulation Bioindicator – Fishes Or Diatoms: A Case Study Of An A Class Wetland In Northwest Türkiye Under Effect Of An Intensive Paddy Cultivation Stress?

Kerapatan Populasi Makrofita Berpengaruh Terhadap Kelimpahan Dan Keanekaragaman Mikroalga Epifiton Di Danau Tempe

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