A preliminary investigation of the effects of surface waters of the Bakırçay River on the growth of green algae Scenedesmus dimorphus

Meltem Boyacıoğlu; Cem Aygen; Muhammet Ali Karaaslan; Didem Özdemir Mis; Özlem Çakal Arslan

doi:10.12714/egejfas.40.1.06

TR EN

Bakırçay nehri yüzey sularının Scenedesmus dimorphus yeşil algi gelişimi üzerine etkileri hakkında bir ön çalışma

Öz

Ege bölgesinin önemli akarsularından biri olan Bakırçay’ın uzunluğu 129 km ve yaklaşık havza alanı 3160 km²’dir. Tarımsal drenaj ve yüksek azot ve fosfor içerikli kirli atık suları taşıyan Bakırçay, evsel ve tarımsal atıklara bağlı olarak sürekli kirlilik yükü altında kalmaktadır. Bakırçay Deresi’nin suyu tarımsal olarak sulama amacıyla kullanılmakta ve Bakırçay’ın üzerindeki baraj göllerinden beslenme amacıyla balık avlanması Bakırçay çevresinde yaşayan halkın sağlığını olumsuz etkileyerek halk sağlığı açısından risk oluşturmaktadır. Bakırçay‘da evsel, endüstriyel ve tarımsal kirliliğin yanı sıra maden alanlarının neden olduğu yaygın kirlilik de söz konusudur. Bu amaçla, Bakırçay Nehri üzerinde bulunan 10 istasyondan temin edilen su örneklerine “Algal Büyüme İnhibisyon Testi, OECD 201” uygulanmıştır. Kısa zamanlı fitotoksisite test yöntemlerinden olan “Algal Büyüme İnhibisyon Testi, OECD 201” testi için birincil trofik seviye temsilcisi olarak kabul edilen Scenedesmus dimorphus (Turpin) Kützing, 1834 yeşil alg kültürü bu testte kullanılmıştır. Su örnekleri beş farklı dilusyonda (% 40, 60, 80 ve 100) test edilmişlerdir. Scenedesmus dimorphus’un üremesi üzerindeki etkileri belirlemek için hücreler 72 saat boyunca her gün aynı saatte florometre (Turner tasarımı) kullanılarak sayılmıştır. Sonuç olarak en yüksek toksisite düzeyleri İstasyon 1, 9, 10, 13,14 ve15’ te saptanmış olup bunun sebebi 9 nolu istasyonun yakınlarda bir kömür tesisinin bulunması ve Bakırçay Nehrinin bütün kollarının 15 nolu istasyonda birleştikten sonra Çandarlı Körfezi’ne dökülmesidir.

Anahtar Kelimeler

A preliminary investigation of the effects of surface waters of the Bakırçay River on the growth of green algae Scenedesmus dimorphus

Abstract

Bakırçay River, one of the important rivers of the Aegean region, has a length of 129 km and an approximate catchment area of 3160 km². Bakırçay River, which carries agricultural drainage and polluted wastewater with high nitrogen and phosphorus content, is polluted due to domestic and agricultural resources. The water of the Bakırçay River is used for irrigation in agriculture and fishing from the dam lakes on the river for feeding purposes also negatively affects the health of the people in the vicinity. In the Bakırçay River, there is widespread pollution caused by mining areas as well as domestic, industrial and agricultural pollution. For this purpose, the “Algal Growth Inhibition Test, OECD 201” was applied to the water samples obtained from 10 stations on the Bakırçay River. Scenedesmus dimorphus (Turpin) Kützing, 1834 green algae culture, accepted as the primary trophic level representative for the "Algal Growth Inhibition Test, OECD 201" test, one of the short-term phytotoxicity test methods, was used in this test. Water samples were tested at five different dilutions (40, 60, 80, 100 %). To determine the effects on the growth of Scenedesmus dimorphus, the cells were counted by fluorimeter (Turner design) daily at the same time and the test duration was 72 hours. In conclusion, the highest level of toxicity was found at Stations 1, 9, 10,13,14, and 15. The reason for this was that there was a coal facility near Station 9 and that all branches of the Bakırçay River joined near Station15 and then drained into Çandarlı Bay.

Keywords

Proje Numarası

16/SÜF/038

Teşekkür

This study was carried out by examining the water samples obtained from the project numbered 16/SÜF/038 which was supported by Ege University Scientific Research Projects Coordination (BAP).

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Çevre Bilimleri

Bölüm

Araştırma Makalesi

Yazarlar

Meltem Boyacıoğlu ^*
0000-0002-9871-6132
Türkiye

Cem Aygen
0000-0002-6351-0409
Türkiye

Muhammet Ali Karaaslan
0000-0003-3737-2361
Türkiye

Didem Özdemir Mis
0000-0002-9962-6577
Türkiye

Özlem Çakal Arslan
0000-0002-3883-9317
Türkiye

Yayımlanma Tarihi

15 Mart 2023

Gönderilme Tarihi

4 Temmuz 2022

Kabul Tarihi

26 Ocak 2023

Yayımlandığı Sayı

Yıl 2023 Cilt: 40 Sayı: 1

DOI

https://doi.org/10.12714/egejfas.40.1.06

IZ

https://izlik.org/JA96KM86ZS

Kaynak Göster

RIS / Bibtex

APA

Boyacıoğlu, M., Aygen, C., Karaaslan, M. A., Özdemir Mis, D., & Çakal Arslan, Ö. (2023). A preliminary investigation of the effects of surface waters of the Bakırçay River on the growth of green algae Scenedesmus dimorphus. Ege Journal of Fisheries and Aquatic Sciences, 40(1), 43-50. https://doi.org/10.12714/egejfas.40.1.06