soil map units where Mm Mangrove mucks is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Tuvalu |
| Landscape position | Riparian fringes of the enclosed lagoons |
| Soil parent material | Coralline sand |
| Slope | Flat (0-3°) |
| Surface outcrops | No surface outcrops |
| Brief soil profile description | Typically fine grained mud with organics disseminated throughout, over a coral rubble or hard pan of reef rock conglomaterate. Fibrous mangrove peats do occur, but are rare. |
| 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 affected by tidal inundation by sea water |