Evaluation of water quality variables and their effects on fish life in Asarsuyu Stream (Düzce/Turkey)

Year 2019, Volume: 7 Issue: 2, 157 - 165, 20.08.2019

Asım Saruhan Şerife Gülsün Kırankaya

https://doi.org/10.31195/ejejfs.582247

Cited By: 2

Abstract

Asarsuyu Stream is one of the tributaries of Melen
River located in the Western Black Sea Region in Turkey. It is influenced by
intensive industrial activities, agricultural and urban areas. Ichthyofauna of the stream consists of Squalius
pursakensis, Barbus
escherichii, Alburnoides
tzanevi, Rhodeus amarus, Alburnus
derjugini, Gobio
baliki, Cobitis splendens, Oxynoemacheilus
banarescui, Gambusia
holbrooki. In order to
assess the impacts of the water quality on fish health,
the water quality of Asarsuyu Stream was determined by some physiochemical (temperature, conductivity, salinity, total dissolved
solids, pH, dissolved oxygen) and chemical (nitrite, nitrate, ammonium,
phospahate, sulphate, calcium, magnesium, chloride, sodium and potassium) parameters
were monitored seasonally during February and November 2018. All of the data
obtained experimentally were compared according to the criteria of SKKY (Water
Pollution Control Regulation in Turkey) and evaluated according to the criteria
European Commission. The obtained data
indicated that oxygen may be a critical factor for fish survival especially
during spring and autumn in the study area. According
to our results, the monitoring stations have class I-IV water quality in terms
of nitrigenous compounds. Especially nitrite and ammonia, have been
determined to reach critical levels for fish health.

Keywords

Water Quality, monitoring, fish health

Supporting Institution

Düzce Üniversitesi

Project Number

2018.05.01.726.

Thanks

This study was supported by the Scientific Research Foundation of Düzce University (Project number: 2018.05.01.726.

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