Table 3.
mee
SIEO00S
ee
Composition of coral soil profiles from Bikini and Eneu Islands.
Total@
Istand location
and depth —
(cm)
Bikini No.
0-5
7.7
5-10
7.8
15-25
25-40
7.9
8.3
10-15
40-60
tl
pH
Bikini No.
0-5
5-10
10-15
15-40
Eneu No.
0-5
5-10
10-15 |
15-25
25-40
40-60
7.9
Sr
(Z)
0.38
0.39
0.39
0.40
0.39
Ca
(2)
30.4
30.8
30.9
34.5
7.8
8.0
0.40
0.40
31.0
32.4
7.7
8.0
8.0
8.4
8.7
8.9
0.32
0.34
0.31
0.28
0.28
0.30
0.95
0.89
0.89
0.86
1.28
0.3)
0.38
0.38
(%)—
31.9
34.3
8.4
7.9
8.2
Mg
33.3
34.7
32.0
32.6
34.3
34.0
34.4
33.3
pe
(%)
1.35
1.28
1.29
N
(%)
Organic
Extractable
(%)
(ppm)
matter?
0.64
0.62
0.63
14.4
13.2
12.3
Ke
79
26
20
2.05
1.17
0.67
0.16
0.50
0.19
10.6
4.5
23
4
1.02
1.09
0.82
0.71
0.49
0.46
10.7
8.5
50
24
1.18
1.79
1.74
1.76
2.08
2.40
2.48
2.37
0.56
0.32
0.085
0.055
0.037
0.016
0.014
0.015
0.11
0.35
40.1)
0.30
0.35
0.17
0.06
0.05
0.03
1.6
7.4
1.6
24
6
5.1
41
5.6
2.6
0.9
0.8
0.6
4 Stable cesium was below detection limit (1.3 ppm).
D pH in water.
€ High phosphorus values indicate ancient guano deposition.
d Organic matter by wet oxidation.
© Extractable in N ammonium acetate.
3
20
9
1
1
cd
Cation
exchange
Particles
sized
Meq/100 g
(%)
capacity
60
60
57
50
24
12
°
28
42
<O.5 mm
11.5
9.5
11.7
6.3
0.6
5.7
3.7
38
14
3.3
1.4
23
2.3
25
14
8
8
6
1.6
0.8
0.3
0.2
0.1