soil map units where Lf Lotofoa soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Ha’apai |
| Landscape position | Weathered ash overlying organic sediments around edges of the swamp on Foa islands. |
| Soil parent material | - |
| Slope | Flat |
| Surface outcrops | - |
| Brief soil profile description | 0-30 cm Very dark grey friable to firm clay loam; 30-70 cm Greyish brown and brown firm mottled concretionary clay loam; on Black soft humic loam. |
| Soil profile texture | - |
| Minimum effective rooting depth | <100 cm |
| Soil pH (acidity) | Near neutral to slightly acid at depth |
| Salinity | - |
| Soil fertility under natural conditions | Organic carbon (C) and nitrogen (N) values are low. phosphorus (P) high dropping to low with depth; high Base saturation (%). |
| Soil moisture regime | - |
| Susceptibility to drought | - |
| Soil drainage | Poorly drained |
| Susceptibility to waterlogging | Limitations of poor drainage which results in ponded surface water for short periods after heavy rainfall. |
| Susceptibility to flooding | Brief flooding after heavy rainfall. |
