Research Article

Investigation of seasonal changes in Annelida fauna and some physicochemical parameters of Riva stream (Istanbul)

Volume: 7 Number: 1 January 3, 2024
EN

Investigation of seasonal changes in Annelida fauna and some physicochemical parameters of Riva stream (Istanbul)

Abstract

Annelids were collected seasonally at Riva Stream from March 2018 to January 2019. In this study, 1241 individuals (28 taxa; 4 families) of Annelida were identified. Various physicochemical parameter values [depth, width, flow rate, water temperature, dissolved oxygen, pH, electrical conductivity, salinity, TP, o-PO4, NH4-N, NO2-N, NO3-N, TSS] were measured seasonally. The results of the analyses were evaluated according to TSWQR (2021). NPI water index values of the stations were also calculated in the study. Accordingly, it was found that the water quality of Riva and Değirmendere was more polluted than other stations. Bray Curtis similarity analysis was also evaluated regarding physicochemical parameters and taxa. Stations 2 and 3 were the most similar in terms of physicochemical parameters. In terms of taxa, stations 3 and 4 were found to be the most similar stations. According to CCA analysis, U. uncinata and L. hoffmeisteri appeared closely related to salinity, while E. tetraedra, H. naidina, H. stagnalis, P. deserticola and Nais sp. were shown closely related to width.

Keywords

Thanks

This study is based on a part of doctoral research. We would like to thank Graduate School of Science and Engineering and Istanbul University Inland Water Laboratory for its valuable contributions.

References

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Details

Primary Language

English

Subjects

Hydrobiology , Freshwater Ecology

Journal Section

Research Article

Early Pub Date

January 3, 2024

Publication Date

January 3, 2024

Submission Date

November 7, 2023

Acceptance Date

November 29, 2023

Published in Issue

Year 1970 Volume: 7 Number: 1

APA
Dökümcü, N., Koşal Şahin, S., Taş Divrik, M., & Odabaşı, S. (2024). Investigation of seasonal changes in Annelida fauna and some physicochemical parameters of Riva stream (Istanbul). Aquatic Research, 7(1), 39-50. https://doi.org/10.3153/AR24005

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