soil map units where 77H Vatulele is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vatulele, coral islands |
| Landscape position | Kaast landscapes in the lowlands and foothills |
| Soil parent material | marine limestone and elevated reef rock |
| Slope | Very steep (35-40°). Extremely uneven microrelief (roots, boulders, etc.). |
| Surface outcrops | Surface rock outcrops cover 60-80% of area. Surface stones and boulders cover 50% of area. |
| Brief soil profile description | - |
| Soil profile texture | 0-20cm stony clay. On coralline rock. |
| Minimum effective rooting depth | <20cm |
| Soil pH (acidity) | Near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | None identified. Possible trace element deficiencies. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits >120 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |