soil map units where 16A Rana is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Rotuma |
| Landscape position | Depressions behind the beach on the coastal margins |
| Soil parent material | mixed calcareous and organic |
| Slope | Flat to gently undulating (0-3°). |
| Surface outcrops | No surface rock outcrops or surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-120cm very friable peaty fine sandy loam. >120cm loose coarse sand. |
| Minimum effective rooting depth | >160cm |
| Soil pH (acidity) | Strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Nitrogen (N), potassium (K) and phosphorus (P) levels low. |
| Soil moisture regime | aquic |
| Susceptibility to drought | Soil moisture deficits are never experienced. |
| Soil drainage | Very poorly drained. |
| Susceptibility to waterlogging | In normal years water table is at or near the ground surface. |
| Susceptibility to flooding | Surface floods >50 days due to topographical position and seasonal high water table. |
