Bio-assessment of surface waters in the south-east of Gaziantep (Turkey) using diatom metrics

Free Access

Table 2

Mean ± standard deviation of physical and chemical variables at sampling stations. Full names and codes of stations are given in Table 1. Temp. – temperature, EC – electrical conductivity, TDS – total dissolved solid, DO – dissolved oxygen, NH₄ – ammonium, PO₄ – orthophosphate, SO₄ – sulfate, NO₂ – nitrite, NO₃ – nitrate, Cl – chloride, Na – sodium, Mg – magnesium, Ca – calcium, Ni – nickel, Cr – chromium, Pb – lead, Cu – copper, and n.d. – not detected.

		Bah	Kat1	Kat2	Kay1	Kay2	Kay3	Kar	Fir1	Fir2	Han	Sac
Temp.	°C	12.2 ± 2.3	13.1 ± 2.1	13.7 ± 1.9	19.1 ± 3.1	19.9 ± 2.6	20.0 ± 1.7	19.2 ± 5.3	19.6 ± 3.1	20.8 ± 3.6	21.2 ± 3.6	19.6 ± 1.6
EC	μS cm⁻¹	452 ± 43	412 ± 61	647 ± 198	790 ± 106	857 ± 41	857 ± 49	347 ± 18	356 ± 41	716 ± 377	1606 ± 336	980 ± 17
TDS	mg L⁻¹	387 ± 39	343 ± 66	560 ± 185	600 ± 36	618 ± 30	618 ± 34	252 ± 15	260 ± 17	498 ± 229	1120 ± 171	747 ± 63
Salinity	ppt	0.30 ± 0.03	0.25 ± 0.07	0.38 ± 0.06	0.47 ± 0.06	0.50 ± 0.02	0.50 ± 0.02	0.20 ± 0.002	0.20 ± 0.002	0.40 ± 0.20	0.87 ± 0.15	0.55 ± 0.07
DO	mg L⁻¹	6.9 ± 1.2	7.5 ± 1.8	6.3 ± 1.5	7.2 ± 1.8	9.2 ± 3.2	9.6 ± 4.3	8.7 ± 4.9	9.0 ± 3.6	6.2 ± 1.2	5.5 ± 2.6	5.1 ± 1.6
pH		7.8 ± 0.3	8.0 ± 0.4	8.1 ± 0.3	8.0 ± 0.5	8.2 ± 0.7	8.1 ± 1.0	8.4 ± 0.5	8.7 ± 0.6	8.3 ± 0.8	8.2 ± 0.7	7.9 ± 0.1
ORP	SHE	166 ± 18	158 ± 16	157 ± 13	145 ± 20	130 ± 22	139 ± 42	121 ± 20	108 ± 18	118 ± 6	133 ± 33	147 ± 13
NH₄	mg L⁻¹	0.04 ± 0.03	0.02 ± 0.02	1.09 ± 1.52	2.96 ± 4.58	3.86 ± 6.69	4.11 ± 7.04	0.19 ± 0.15	0.21 ± 0.27	0.09 ± 0.03	3.12 ± 2.51	2.91 ± 0.83
N-NO₂	mg L⁻¹	0.10 ± 0.08	0.05 ± 0.07	0.60 ± 0.85	5.98 ± 6.79	7.73 ± 8.72	8.60 ± 11.00	0.13 ± 0.06	0.01 ± 0.00	0.07 ± 0.06	0.13 ± 0.12	3.75 ± 1.48
N-NO₃	mg L⁻¹	6.60 ± 2.31	5.30 ± 1.98	3.80 ± 0.28	25.13 ± 23.97	31.97 ± 23.62	30.63 ± 23.59	2.57 ± 1.65	1.43 ± 0.70	9.97 ± 14.15	2.90 ± 1.85	64.00 ± 0.99
P-PO₄	μg L-1	30.2 ± 2.8	29.9 ± 1.98	43.8 ± 20.9	51.8 ± 7.8	48.4 ± 7.6	51.2 ± 4.8	30.0 ± 8.3	28.0 ± 3.3	27.8 ± 2.1	86.6 ± 29.2	49.2 ± 18.6
SO₄	mg L⁻¹	46.8 ± 17.6	29.0 ± 26.9	34.3 ± 34.0	58.4 ± 7.8	59.7 ± 9.8	60.0 ± 9.2	37.9 ± 1.6	38.6 ± 0.7	46.0 ± 6.4	64.0 ± 11.4	60.0 ± 5.4
Cl-	mg L⁻¹	19.0 ± 7.6	14.0 ± 8.6	22.6 ± 20.6	68.1 ± 20.9	81.4 ± 4.1	80.6 ± 2.4	22.7 ± 2.0	25.1 ± 7.9	108.4 ± 103.6	254.8 ± 108.1	99.1 ± 1.1
Na	mg L⁻¹	21.0 ± 8.4	14.2 ± 11.0	17.9 ± 16.1	61.6 ± 23.4	73.5 ± 5.8	73.0 ± 4.7	20.5 ± 2.1	18.7 ± 0.5	47.5 ± 31.8	220.1 ± 131.6	67.8 ± 3.5
F-	mg L⁻¹	0.20 ± 0.01	0.20 ± 0.01	0.25 ± 0.07	0.20 ± 0.08	0.17 ± 0.06	0.17 ± 0.06	0.10 ± 0.01	0.10 ± 0.01	0.33 ± 0.23	0.03 ± 0.06	0.30 ± 0.14
Mg	mg L⁻¹	18.7 ± 7.3	13.5 ± 7.8	18.5 ± 14.8	19.0 ± 6.8	15.0 ± 1.7	15.1 ± 1.8	14.8 ± 1.4	15.3 ± 1.4	29.8 ± 12.6	16.6 ± 1.2	15.0 ± 0.6
Ca	mg L⁻¹	79.0 ± 4.6	80.7 ± 1.8	90.5 ± 12.0	98.2 ± 7.0	96.3 ± 5.7	96.4 ± 5.5	43.8 ± 2.1	41.1 ± 3.5	67.3 ± 39.2	114.4 ± 12.4	134.5 ± 2.5
Hardness	meq L⁻¹	5.5 ± 0.6	5.2 ± 0.7	6.1 ± 1.8	6.5 ± 0.7	6.0 ± 0.3	6.0 ± 0.3	3.4 ± 0.1	3.3 ± 0.2	5.8 ± 2.8	7.1 ± 0.7	8.0 ± 0.2
Al	mg L⁻¹	nd	nd	0.02 ± 0.03	0.01 ± 0.02	0.04 ± 0.06	nd	nd	0.01 ± 0.01	0.01 ± 0.02	nd	0.23 ± 0.32
Ni	mg L⁻¹	0.40 ± 0.28	0.30 ± 0.14	0.15 ± 0.07	0.28 ± 0.29	0.27 ± 0.12	0.23 ± 0.12	0.13 ± 0.06	0.23 ± 0.23	0.07 ± 0.06	0.23 ± 0.15	0.20 ± 0.14
Cr	mg L⁻¹	0.20 ± 0.09	0.15 ± 0.07	0.10 ± 0.01	0.20 ± 0.14	0.17 ± 0.12	0.17 ± 0.06	0.07 ± 0.06	0.13 ± 0.15	0.07 ± 0.012	0.13 ± 0.12	0.15 ± 0.07
Pb	mg L⁻¹	0.01 ± 0.01	0.01 ± 0.01	0.010 ± 0.01	0.35 ± 0.52	0.37 ± 0.55	0.40 ± 0.53	0.37 ± 0.55	0.37 ± 0.55	0.37 ± 0.55	0.40 ± 0.61	0.65 ± 0.64
Cu	mg L⁻¹	0.04 ± 0.01	0.03 ± 0.01	0.02 ± 0.01	0.19 ± 0.19	0.23 ± 0.21	0.27 ± 0.25	0.20 ± 0.17	0.23 ± 0.21	0.20 ± 0.17	0.27 ± 0.15	0.40 ± 0.14

Bad ecological status – Hancağız Reservoir; poor ecological status – Kayacık Reservoir, Fırat River2, Sacır creek, and Katu Creek2; moderate ecological status – Bahra creek and Katu Creek1; and good ecological status – Karkamış Reservoir and Fırat River1.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.