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Table 1 Physico-chemical parameters measured in the Cariaco Basin during the study

From: Identification of bacteria in enrichment cultures of sulfate reducers in the Cariaco Basin water column employing Denaturing Gradient Gel Electrophoresis of 16S ribosomal RNA gene fragments

Year 2005
Station Zone Depth (m) Temperature (°C) Salinity (PSU) Dissolved O2(mL/L) *H2S (μM)
A Oxic 230 17.90 36.43 0.0738 ND
Interface 270 17.69 36.39 0.0688 1.22
Anoxic 900 17.03 36.26 0.0653 51.47
B Oxic 235 17.83 36.42 0.0711 ND
Interface 275 17.63 36.38 0.0674 0.69
Anoxic 670 17.06 36.27 0.0646 ND
Year 2006
Station Zone Depth (m) Temperature (°C) Salinity (PSU) Dissolved O2 (mL/L) *H2S (μM)
A Oxic 100 21.08 36.79 3.2116 ND
Interface 300 17.64 36.36 0.0157 5.39
Anoxic 400 17.46 36.33 0.0113 14.3
500 17.23 36.29 0.0113 25.55
B Oxic 215 17.97 36.41 0.0245 ND
Interface 260 17.75 36.38 0.0122 6.62
290 17.70 36.37 0.0129 7.07
Anoxic 325 17.57 36.35 0.0131 11.09
640 17.10 36.26 0.0186 38.46
D Oxic 40 23.85 36.88 4.0087 ND
180 18.18 36.45 0.5738 ND
Interface 270 17.80 36.39 0.0135 0.21
Anoxic 365 17.52 36.34 0.0197 13.31
   500 17.40 36.33 0.0196 18.86
  1. *Data from http://www.imars.usf.edu/CAR/.
  2. Low DO values in oxic zones over the limit of interface layer where DO decays and H2S increases.
  3. PSU: Practical Salinity Units.
  4. ND: Not determined.