Geoscience Reference
In-Depth Information
Table 8.4 (continued)
No. of soil
series
Order
Suborder
Great group
Subgroup
Humaquepts
Histic
64
Petraquepts
Histic Placic
2
82
Mollisols
Aquolls
Cryaquolls
Histic
2
Endoaquolls
Histic
5
Epiaquolls
Histic
0
7
Oxisols
Aquox
Eutraquox
Histic
0
Haplaquox
Histic
0
0
Spodosols
Aquods
Alaquods
Histic
1
Duraquods
Histic
0
Endoaquods
Histic
0
Epiaquods
Histic
1
Fragiaquods
Histic
0
2
Total
319
Fig. 8.3 Distribution of soils with a folistic epipedon in four regions of the USA. (a) Northern
USA. (b) Alaska. (c) Hawaiian Islands. (d) Southern Florida (Graphics by P. Reich)
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