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Table 1 Summary of the seawater physiochemical conditions during experiments with Hyas araneus

From: Gene expression profiling in gills of the great spider crab Hyas araneus in response to ocean acidification and warming

Parameter Control Treatment (I) Treatment (II) Treatment (III) Treatment (IV) Treatment (V)
Temperature (°C) 5.3 ± 0.2 4.2 ± 0.2 4.5 ± 0.2 9.9 ± 0.2 9.7 ± 0.3 9.8 ± 0.2
Salinity (‰) 32.1 ± 0.7 32.2 ± 0.7 32.2 ± 0.6 33.6 ± 0.4 33.5 ± 0.4 33.6 ± 0.3
pH (NBS scale) 8.15 ± 0.03 7.81 ± 0.04 7.55 ± 0.06 8.22 ± 0.04 7.85 ± 0.04 7.54 ± 0.05
DIC (mmol kg−1) 2,366 ± 42 2,436 ± 14 2,520 ± 39 2,295 ± 28 2,395 ± 14 2,488 ± 22
PCO2 (μatm) 441 ± 35 991 ± 96 1,878 ± 246 366 ± 30 942 ± 59 2,015 ± 147
Total alkalinity (mmol kg−1) 2,479 ± 13 2,479 ± 14 2,491 ± 14 2,484 ± 10 2,469 ± 13 2,473 ± 15
  1. Temperature, Salinity, pH and dissolved inorganic carbon (DIC) were measured and partial pressure of CO2 (PCO2) and total alkalinity were calculated using CO2SYS [41]. Data are mean ± SD with N = 24 (5°C), N = 16–20 (10°C).