soil map units where S Saline soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Tuvalu |
| Landscape position | Bare sandy flats that form lagoonside re-entrants |
| Soil parent material | Coralline sand |
| Slope | Flat (0-3°) |
| Surface outcrops | No surface outcrops |
| Brief soil profile description | Muds, sands and gravels bonded by an organic blue green algae which bonds the unconsolidated materials. |
| Soil profile texture | - |
| Minimum effective rooting depth | n/a |
| Soil pH (acidity) | - |
| Salinity | High |
| Soil fertility under natural conditions | Not analysed |
| Soil moisture regime | Peraquic |
| Susceptibility to drought | Tidal - no susceptible to drought |
| Soil drainage | Poorly drained |
| Susceptibility to waterlogging | Water tables is close to the surface and tidally influenced |
| Susceptibility to flooding | Regularly or episodically affected by tidal inundation by sea water |