Seasonal and Spatial Variability of Virioplanktonic Abundance in Haihe River, China

Table 1

Environmental data recorded for the Haihe River from September 2011 to June 2012.

	Autumn		Winter		Spring		Summer
	Mean (min–max)	Median (Q1, Q3)	Mean (min–max)	Median (Q1, Q3)	Mean (min–max)	Median (Q1, Q3)	Mean (min–max)	Median (Q1, Q3)
Temp (°C)	28.2 (27.6–29.4)	28.2 (27.8, 28.5)	12.6 (11.0–15.6)	12 (11.7, 13.6)	13.4 (12.5–14.2)	13.3 (24.9, 25.3)	25.0 (24.0–25.7)	24.9 (11.7, 13.6)
TSS (mg L^−1)	5.59 (3.12–9.68)	5.00 (4.06, 6.25)	8.19 (0.31–15.62)	7.50 (5.00, 13.43)	8.73 (0.31–21.77)	5.62 (10.62, 31.33)	31.85 (4.06–100.00)	20.66 (5.00, 13.43)
TN (mg L^−1)	4.68 (3.71–5.41)	4.80 (4.49, 4.98)	4.50 (3.04–5.20)	4.65 (4.27, 5.10)	7.79 (4.33–10.14)	8.76 (6.23, 6.33)	6.25 (6.00–6.43)	6.23 (4.27, 5.10)
Nitrate (mg L^−1)	2.14 (1.63–2.41)	2.16 (2.03, 2.35)	2.44 (2.06–2.85)	2.39 (2.36, 2.48)	2.08 (1.26–2.87)	2.09 (0.88, 2.02)	1.53 (0.82–2.90)	1.50 (2.36, 2.48)
Chla (μg L^−1)	107.61 (84.40–156.00)	107.00 (86.2, 116)	15.97 (4.00–47.00)	13.00 (9.30, 17.80)	62.67 (6.63–236.35)	25.72 (34.35, 132.41)	91.62 (3.76–262.31)	69.95 (9.30, 17.80)
TP (mg L^−1)	0.76 (0.60–0.99)	0.74 (0.74, 0.77)	0.42 (0.34–0.54)	0.39 (0.36, 0.48)	1.96 (0.27–8.08)	0.55 (0.58, 1.09)	0.82 (0.14–1.26)	0.96 (0.36, 0.48)
TDP (mg L^−1)	0.47 (0.37–0.56)	0.47 (0.45, 0.51)	0.26 (0.17–0.44)	0.24 (0.18, 0.31)	0.34 (0.12–0.69)	0.24 (0.21, 0.58)	0.45 (0.10–0.71)	0.55 (0.18, 0.31)
TOC (mg L^−1)	17.14 (0.10–53.93)	10.77 (9.55, 13.9)	30.80 (16.71–41.13)	31.26 (25.39, 36.80)	22.05 (6.31–68.78)	16.97 (18.30, 26.76)	20.54 (5.84–28.86)	21.85 (25.39, 36.80)
Salinity (‰)	2.6 (1–6)	2 (2, 2)	3.9 (1–9)	3 (2, 3)	5.2 (1–18)	2 (2, 2)	4.7 (1–20)	2 (3, 3)

Q1: 1st quartile; Q3: 3rd quartile; Temp: temperature; TSS: total suspended solid; TN: total nitrogen; chl a: chlorophyll a; TP: Total phosphorus; TDP: total dissolved phosphorus.