The Role of Environmental Factors in the Induction of Oxidative Stress in Zebra Mussel

AQUATIC ECOLOGY

The role of environmental factors in the induction of oxidative stress in zebra mussel

(Dreissena polymorpha)

Adrianna Wojtal-Frankiewicz1*, Joanna Bernasińska2, Piotr Frankiewicz1,

Krzysztof Gwoździński2 & Tomasz Jurczak1

1Department of Applied Ecology, University of Lodz

90-237 Lodz, Banacha 12/16 Str, Poland

*Corresponding author: adwoj @ biol.uni.lodz.pl

tel. (48) 042-635-43-30; fax. (48) 042-665-58-19

2Department of Molecular Biophysics, University of Lodz

90-236 Lodz, Pomorska 141/143 Str, Poland

Online resources4. Physical parameters and ion concentrations in the Sulejow Reservoir and LakeBiałe within the studied seasons.

Spring / Summer / Late Summer / Autumn
Sulejow / Białe / Sulejow / Białe / Sulejow / Białe / Sulejow / Białe
2010
Physical parameters
Temperature (oC) / 17.60 / 17.2 / - / - / 24.50 / 22.70 / 11.50 / 11.50
Oxygen con. (mg L-1) / 5.67 / 6.83 / - / - / 9.32 / 7.50 / 6.86 / 9.27
pH / 7.48 / 7.45 / - / - / 8.86 / 8.30 / 7.72 / 7.46
Conductivity (S cm-1) / 276 / 281 / - / - / 300 / 318 / 357 / 336
Ions (mg L-1)
phosphate / 0.040 / 0.004 / - / - / 0.003 / 0.004 / 0.039 / 0.005
nitrate / 2.37 / 0.49 / - / - / 0.28 / 0.04 / 4.14 / 0.05
chloride / 8.24 / 17.22 / - / - / 12.89 / 16.44 / 13.34 / 16.87
sodium / 3.66 / 11.18 / - / - / 7.91 / 10.76 / 8.11 / 11.17
potassium / 6.29 / 32.29 / - / - / 10.44 / 32.14 / 9.79 / 32.05
sulfates / 27.40 / 45.48 / - / - / 26.76 / 44.39 / 22.97 / 44.62
magnesium / 1.12 / 2.62 / - / - / 1.32 / 1.98 / 1.29 / 1.78
calcium / 48.80 / 36.82 / - / - / 50.07 / 36.79 / 52.68 / 41.47
2011
Physical parameters
Temperature (oC) / 21.60 / 23.00 / 21.7 / 22.50 / 22.50 / 21.60 / 18.20 / 18.80
Oxygen con. (mg L-1) / 9.04 / 10.3 / 9.55 / 11.35 / 11.56 / 8.41 / 10.84 / 8.98
pH / 8.31 / 8.94 / 9.34 / 9.15 / 9.99 / 9.4 / 9.25 / 8.87
Conductivity (S cm-1) / 344 / 295 / 308 / 309 / 298 / 306 / 298 / 313
Ions (mg L-1)
phosphate / 0.05 / 0.03 / 0.03 / 0.02 / 0.01 / 0.08 / 0.01 / 0.04
nitrate / 0.50 / 0.04 / 0.79 / 0.05 / 0.48 / 0.05 / 0.08 / 0.11
chloride / 14.93 / 18.84 / 15.33 / 19.30 / 15.90 / 18.94 / 15.28 / 19.92
sodium / 8.83 / 11.90 / 8.69 / 12.18 / 9.85 / 12.05 / 8.88 / 12.73
potassium / 8.51 / 23.44 / 8.94 / 23.75 / 8.65 / 23.73 / 9.13 / 24.21
sulfates / 30.65 / 45.99 / 28.00 / 46.27 / 26.69 / 45.90 / 25.06 / 47.57
magnesium / 0. 96 / 1.88 / 1.57 / 1.79 / 1.14 / 1.87 / 1.14 / 2.20
calcium / 48.84 / 39.19 / 43.13 / 33.33 / 51.49 / 40.29 / 44.31 / 42.55
2012
Physical parameters
Temperature (oC) / 17.20 / 18.70 / 25.00 / 18.50 / 22.10 / 20.50 / 15.40 / 15.30
Oxygen con. (mg L-1) / 17.37 / 18.64 / 11.92 / 9.21 / 12.30 / 8.53 / 11.08 / 9.52
pH / 9.95 / 9.97 / 9.00 / 8.60 / 8.50 / 8.00 / 8.66 / 8.28
Conductivity (S cm-1) / 303 / 334 / 329 / 359 / 325 / 345 / 323 / 349
Ions (mg L-1)
phosphate / 0.08 / 0.03 / 0.05 / 0.03 / 0.15 / 0.04 / 0.11 / 0.05
nitrate / 0.21 / 0.03 / 0.12 / 0.04 / 0.04 / 0.05 / 0.01 / 0.09
chloride / 13.16 / 16.94 / 11.11 / 17.14 / 13.26 / 17.91 / 13.51 / 18.22
sodium / 6.59 / 9.86 / 6.44 / 10.15 / 6.58 / 10.77 / 6.24 / 11.05
potassium / 9.55 / 23.11 / 17.67 / 23.09 / 11.13 / 23.47 / 13.28 / 23.77
sulfates / 32.10 / 45.55 / 25.39 / 45.21 / 26.80 / 46.44 / 23.89 / 46.54
magnesium / 0.86 / 1.74 / 0.86 / 1.72 / 0.87 / 1.75 / 1.22 / 1.79
calcium / 63.22 / 40.63 / 65.30 / 41.28 / 66.45 / 41.33 / 38.62 / 41.99