soil map units where An Ano soils is dominant
                
            
        Soil properties
| Property | Value | 
|---|---|
| Geographic distribution | Ha'apai | 
| Landscape position | Organic rich sediments in swamps and depressions. | 
| Soil parent material | - | 
| Slope | Flat | 
| Surface outcrops | - | 
| Brief soil profile description | Not described | 
| Soil profile texture | - | 
| Minimum effective rooting depth | <50 cm | 
| Soil pH (acidity) | Strongly acid | 
| Salinity | - | 
| Soil fertility under natural conditions | Not analysed | 
| Soil moisture regime | - | 
| Susceptibility to drought | - | 
| Soil drainage | Very poorly drained | 
| Susceptibility to waterlogging | Poor natural drainage. | 
| Susceptibility to flooding | Frequently floods during wet summer months. | 
 
                         
                         
                        