Journals / European Journal of Biology / 2013 / Cilt: 72 - Sayı: 2

Excessive growth of Cladophora laetevirens (Dillwyn) Kutzing and enteric bacteria in mats in the Southwestern Istanbul coast, Sea of Marmara

Pages
43–50
Publication Date
2014-05-12
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Nitrate+nitrite-N (0.21- 0.26 μg-at/L), Ammonium-N (0.43-0.94 μg-at/L), Phosphate-P (0.53-3.50 μg-at/L), Silicate-Si (9.63- 15.30 μg-at/L) and Chlorophyll a (3.68-14.11 μg/L) concentrations were measured.

📌 3 Key Takeaways

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Objective & Hypothesis:In the summer of 2010, the excessive growth ofCladophora laetevirens along the southwestern shorelineof Istanbul, which carries great importance for tourism, drew major attention.
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Key Findings & Data:The aim of this study was to investigate the excessive growth ofCladophora laetevirens, some ecological parameters, and the number of total coliform bacteria of surface waters in this region during the summer of 2010.
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Conclusion & Impact:Nitrate+nitrite-N (0.21- 0.26 μg-at/L), Ammonium-N (0.43-0.94 μg-at/L), Phosphate-P (0.53-3.50 μg-at/L), Silicate-Si (9.63- 15.30 μg-at/L) and Chlorophyll a (3.68-14.11 μg/L) concentrations were measured.
🔬Design:Research Article
📍Scope:2010 Verileri
⚙️Variables:Cladophora kitleleri · total koliform bakteri · musilaj olayı

Abstract

In the summer of 2010, the excessive growth ofCladophora laetevirens along the southwestern shorelineof Istanbul, which carries great importance for tourism, drew major attention. The aim of this study was to investigate the excessive growth ofCladophora laetevirens, some ecological parameters, and the number of total coliform bacteria of surface waters in this region during the summer of 2010. During thisperiod, this species multiplied and mucilage like environment was formed and the total coliform bacteriavalues were found to be between 105 and 108 MPN/100 mL. Due to the lack of available evidence prior tothe sampling, it is possible that the excessive mucilage formation may have been trigged by Cladophoralaetevirens . Cladophora samples were collected on different sampling dates during the 2010 summer(July and August). On these sampling days, the temperature, salinity and dissolved oxygen levels of the seawater ranged between 26.6-28°C, 14-33 ppt, and 8.2-9.7 mg/L, respectively. Nitrate+nitrite-N (0.21- 0.26 μg-at/L), Ammonium-N (0.43-0.94 μg-at/L), Phosphate-P (0.53-3.50 μg-at/L), Silicate-Si (9.63- 15.30 μg-at/L) and Chlorophyll a (3.68-14.11 μg/L) concentrations were measured.

Özet

Turizm için büyük önem taşıyan İstanbul Güneybatı sahilinde, 2010 yılı yazında, Cladophora laetevirens’in aşırı büyümesi oldukça dikkat çekmiştir. Bu çalışmanın amacı, 2010 yılı yaz aylarında gözlenen artışın etkenleri arasında bulunan Cladophora laetevirens türünü, ortamın bazı ekolojik özellikleri ve yüzey sularında total koliform bakteri sayısını araştırmaktır. Örnekleme döneminde, bu tür aşırı çoğalarak musilaj benzeri bir yapı oluşturmuş ve o dönem toplam koliform bakteri değerleri de 10 ve 10 MPN/100 mL olarak tespit edilmiştir. Örnekleme dönemi öncesinde bu yapı ortamda gözlenmediğinden, aşırı musilaj oluşumundan bu türün sorumlu olduğu düşünülmüştür. 2010 yılının yaz aylarında farklı tarihlerde (Temmuz ve Ağustos) Cladophora örnekleri toplanmış ve bu esnada, deniz suyu sıcaklığı, tuzluluk ve çözünmüş oksijen değerleri sırasıyla 26,6-28 °C, 14-33 ppt ve 8,29,7 mg/L olarak ölçülmüştür. Ayrıca, Nitrit + nitrat-N (0,21-0,26 μg-at/L), Amonyum-N (0,43-0,94 μg-at/L), Fosfat-P (0,53-3,50 μg-at/L), Silikat-Si (9,63-15,30 μg-at/L) ve Klorofil a (3,68-14,11 μg/L) konsantrasyonları da belirlenmiştir.

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Cite This Article

BALKIS, N., SİVRİ, N., FRAİM, L., BALCI, M., DURMUŞ, T., SUKATAR, A. (2014). Excessive growth of Cladophora laetevirens (Dillwyn) Kutzing and enteric bacteria in mats in the Southwestern Istanbul coast, Sea of Marmara. European Journal of Biology, Cilt: 72 - Sayı: 2, 43–50. https://ajindex.com/articles/82747

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