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Effects of seasonal changes and environmental factors on bioindicator bacteria levels in Çardak Lagoon, Çanakkale Strait, Turkey Cover

Effects of seasonal changes and environmental factors on bioindicator bacteria levels in Çardak Lagoon, Çanakkale Strait, Turkey

Open Access
|Sep 2021

Figures & Tables

Figure 1

Study area
Study area

Figure 2

Summary graphs of bioindicator bacteria levels with their national and international threshold levels by season and location
Summary graphs of bioindicator bacteria levels with their national and international threshold levels by season and location

Figure 3

(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2018 autumn season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2018 autumn season
(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2018 autumn season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2018 autumn season

Figure 4

(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 winter season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 winter season
(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 winter season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 winter season

Figure 5

(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 spring season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 spring season
(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 spring season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 spring season

Figure 6

(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 summer season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 summer season
(A) Changes in total coliform (TC), fecal coliform (FC), Escherichia coli (EC) and fecal streptococci (FS) levels as a function of physicochemical parameters at different sampling locations in the 2019 summer season. (B) Pearson correlations of environmental parameters with bioindicator bacteria levels for the 2019 summer season

Coordinates and maximum depths of the sampling locations

SitesCoordinatesMax depth (cm)
140°22′906″N26°43′103″E150
240°23′053″N26°43′264″E100
340°23′203″N26°43′491″E150
440°23′345″N26°43′399″E100
540°23′278″N26°42′988″E180
640°23′236″N26°42′800″E150
7 (reference)40°22′931″N26°42′768″E100

Summary of environmental data by season

Temp.Sal.pHO2*COD*ORPPO4-P*TP*NO2+N3*NH4*TN*SiO2*
Oct. 18Min.13.2520.747.856.40< 40.0070.30< 0.010.0150.014< 0.010.200.03
Max16.8920.818.359.51277.0091.00< 0.010.1950.195< 0.010.990.55
Mean14.7720.788.148.08197.8380.41< 0.010.0190.129< 0.010.610.34
SD1.150.020.171.1384.927.78n.a.0.0040.061n.a.0.320.19
Feb. 19Min.7.5722.747.786.33125.00−87.60< 0.010.0160.060< 0.010.100.25
Max8.7223.478.278.95296.00−74.50< 0.010.0250.120< 0.010.400.60
Mean7.9924.408.167.46178.86−83.37< 0.010.0180.086< 0.010.230.39
SD0.440.620.170.9159.184.34n.a.0.0040.024n.a.0.110.14
Apr. 19Min.13.722.148.045.90< 40.00−99.80< 0.010.0200.025< 0.010.200.05
Max17.322.788.458.2095.00−78.700.0300.0700.085< 0.010.600.25
Mean15.522.548.316.4880.75−92.240.0250.0400.059< 0.010.440.17
SD1.440.220.140.8228.547.510.0060.0210.021n.a.0.180.06
June 19Min.24.0720.178.127.21< 40.00−111.0< 0.010.0400.015< 0.010.150.17
Max27.3422.178.568.47106.00−88.000.0300.1700.045< 0.010.331.50
Mean25.6721.048.307.8474.00−100.610.0230.0970.029< 0.010.210.83
SD1.130.750.150.4524.528.540.0050.0590.010n.a.0.060.63
DOI: https://doi.org/10.2478/oandhs-2021-0025 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 299 - 309
Submitted on: Jan 20, 2021
Accepted on: Mar 26, 2021
Published on: Sep 2, 2021
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2021 İbrahim Ender Künili, A. Suat Ateş, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.