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 |