A biomonitoring study of Diadema setosum: metal bioaccumulation and current status in Iskenderun Bay, eastern Mediterranean Cover

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A biomonitoring study of Diadema setosum: metal bioaccumulation and current status in Iskenderun Bay, eastern Mediterranean

Oceanological and Hydrobiological Studies

Volume 52 (2023): Issue 4 (December 2023)

By: Erkan Uğurlu

Open Access

|Dec 2023

Figures & Tables

Study area (Modified from Koçak et al. 2005)

A-B) Diadema setosum, C) D. setosum shell, D) D. setosum gonad

ICP-MS (Plasma Quant MS Series) operating conditions

RF power	1.20 kW
Plasma gas flow rate	9 \| min^-1
Auxiliary gas flow rate	1.65 \| min^-1
Carrier gas flow rate	1.1 \| min^-1
Helium collision gas flow rate	ml min^-1 (Not used)
Spray chamber T	2°C
Sample depth	6 mm
Sample introduction flow rate	1 ml min^-1
Nebulizer pump	0.1 rps
Extract lens	1.5 V

Metal accumulation levels (ORT ± SD) (μg g-1 wet weight) in D_ setosum sea urchins

Metals	Tissues	Sites
Metals	Tissues	Iskenderun	Arsuz
Al	Soft tissues	0.071 ± 0.001^a,x	0.081 ± 0.001^a,x
	Gonad	0.711 ± 0.165^a,x	0.816 ± 0.152^a,x
	Testa (Shell)	5.231 ± 1.039^b,x	7.170 ± 1.449^b,y
Cr	Soft tissues	0.069 ± 0.011^a,x	0.075 ± 0.007^a,x
	Gonad	0.227 ± 0.122^a,x	0.340 ± 0.118^b,x
	Testa (Shell)	0.664 ± 0.111^b,x	0.803 ± 0.028^c,x
Co	Soft tissues	0.014 ± 0.002^a,x	0.025 ± 0.002^a,x
	Gonad	0.034 ± 0.012^a,x	0.041 ± 0.003^a,x
	Testa (Shell)	0.246 ± 0.082^b,x	0.249 ± 0.034^b,x
Ni	Soft tissues	0.150 ± 0.047^a,x	0.187 ± 0.003^a,x
	Gonad	0.495 ± 0.281^a,x	0.468 ± 0.173^a,x
	Testa (Shell)	2.390 ± 0.848^b,x	2.914 ± 0.515^b,x
Cd	Soft tissues	0.012 ± 0.001^a,x	0.011 ± 0.001^a,x
	Gonad	0.010 ± 0.001^a,x	0.010 ± 0.001^a,x
	Testa (Shell)	0.012 ± 0.004^a,x	0.016 ± 0.002^b,x
Pb	Soft tissues	0.374 ± 0.092^a,x	0.402 ± 0.092^a,x
	Gonad	1.058 ± 0.032^a,x	2.774 ± 0.178^b,y
	Testa (Shell)	2.371 ± 0.577^b,x	3.451 ± 0.463^b,y
Mn	Soft tissues	0.028 ± 0.007^a,x	0.173 ± 0.023^a,x
	Gonad	0.089 ± 0.059^b,x	0.102 ± 0.014^a,x
	Testa (Shell)	0.406 ± 0.242^b,x	0.370 ± 0.119^b,x
Fe	Soft tissues	1.202 ± 0.129^a,x	2.556 ± 0.394^a,x
	Gonad	7.526 ± 0.658^a,x	8.819 ± 0.591^a,x
	Testa (Shell)	36.570 ± 5.587^b,x	57.166 ± 5.018^b,y
Zn	Soft tissues	1.532 ± 0.329^a,x	2.650 ± 0.301^a,x
	Gonad	0.276 ± 0.051^b,x	0.593 ± 0.045^b,x
	Testa (Shell)	0.356 ± 0.124^b,x	0.596 ± 0.032^b,x

Pearson correlation coefficient matrix of metals detected in D_ setosum species collected from the Iskenderun and Arsuz sites

	Al	Cr	Co	Ni	Cd	Pb	Mn	Fe	Zn
Al	1
Cr	.922**	1
Co	.945**	.873**	1
Ni	.978**	.929**	.951**	1
Cd	.599**	.501*	.619**	.637**	1
Pb	.752**	.856**	.713**	.753**	.468	1
Mn	.824**	.702**	.916**	.855**	.577*	.567*	1
Fe	.988**	.925**	.940**	.959**	.627**	.787**	.799**	1
Zn	-.464	-.602**	-.442	-.466	-.038	-.625**	-.231	-.468	1

Comparison of our analysed values with the standard reference material, DORM-3 (fish protein)

Element	DORM-3 reference material
Element	Certified value (μg g^-1)	Measured value (μg g^-1)	Recovery (%)
Al	-	-	-
Cd	0.291 ± 0.03	0.281 ± 0.04	97
Co	-	-	-
Ni	1.24 ± 0.31	1.35 ± 0.23	108
Pb	0.391 ± 0.09	0.412 ± 0.08	101
Cr	1.87 ± 0.19	1.93 ± 0.14	103
Fe	348 ± 19	326 ± 15.7	94
Mn	-	-	-
Zn	51.9 ± 2.7	52.8 ± 3.9	101

DOI: https://doi.org/10.26881/oahs-2023.4.09 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X

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Language: English

Page range: 484 - 492

Submitted on: Feb 28, 2023

Accepted on: Jul 28, 2023

Published on: Dec 31, 2023

Published by: University of Gdańsk

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

Related subjects:

Chemistry, other,

Geosciences, other,

Life sciences, other

© 2023 Erkan Uğurlu, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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