Table
T14. Total bacterial count and ATP measurements, Hole 1189A.
Hole, core
Depth
(mbsf)
Direct count
(cells/cm3)*
ATP
(pg/cm3)†
Active
bacterial cells based on ATP content
(cells/cm3)‡
193-1189A-
2R
9.70
1.3
x 107
18.2
3.6
x 105
5R
39.13
4.6
x 106
4.8
9.6
x 104
6R
48.60
9.8
x 105
ND
1
x 104
7R
58.84
ND
ND
1
x 104
9R
77.70
ND
ND
1
x 104
10R
88.33
ND
ND
1
x 104
12R
106.91
ND
ND
1
x 104
Notes: * = detection limit of 1 x 105 cells/cm3. ATP = adenosine triphosphate. † = detection limit of 0.5 pg/cm3 (1 x 104 cells/cm3). ‡ = ATP content of a bacteria is ~1 x 10-19 mol/cell. ND = not detected (below detection).