Difference between revisions of "Histosol"
From Wicri Urban Soils
imported>Thierry Daunois |
imported>Jacques Ducloy m (12 revisions imported) |
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An '''histosol''' (HS) can be defined through : | An '''histosol''' (HS) can be defined through : | ||
| − | * a histic or folic horizon | + | * a [[Has for diagnostic horizon::Histic horizon (WRB)|histic]] or [[Has for diagnostic horizon::Folic horizon (WRB)|folic]] horizon |
** 10 cm or more thick from the soil surface to a lithic or paralithic contact | ** 10 cm or more thick from the soil surface to a lithic or paralithic contact | ||
** 40 cm or more thick and starting within 30 cm from the soil surface | ** 40 cm or more thick and starting within 30 cm from the soil surface | ||
and : | and : | ||
| − | * the lack of an andic or vitric horizon starting within 30 cm from the soil surface | + | * the lack of an [[Has for diagnostic horizon::Andic horizon (WRB)|andic]] or [[Has for diagnostic horizon::Vitric horizon (WRB)|vitric]] horizon starting within 30 cm from the soil surface |
==Possible qualifiers== | ==Possible qualifiers== | ||
| − | For each RSG, there are some possible prefix and suffix qualifiers | + | For each RSG, there are some possible prefix and suffix qualifiers : |
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|valign="top" class="cadregris" style="margin-bottom:0.6em;border:1px solid #AAAAAA;background-color:#FCFCFC;padding:7px"| | |valign="top" class="cadregris" style="margin-bottom:0.6em;border:1px solid #AAAAAA;background-color:#FCFCFC;padding:7px"| | ||
| − | * [[Has for prefix qualifier::Folic]] | + | * [[Has for prefix qualifier::Folic (WRB qualifier)|Folic]] |
| − | * [[Has for prefix qualifier::Limnic]] | + | * [[Has for prefix qualifier::Limnic (WRB qualifier)|Limnic]] |
| − | * [[Has for prefix qualifier::Lignic]] | + | * [[Has for prefix qualifier::Lignic (WRB qualifier)|Lignic]] |
| − | * [[Has for prefix qualifier::Fibric]] | + | * [[Has for prefix qualifier::Fibric (WRB qualifier)|Fibric]] |
| − | * [[Has for prefix qualifier::Hemic]] | + | * [[Has for prefix qualifier::Hemic (WRB qualifier)|Hemic]] |
| − | * [[Has for prefix qualifier::Sapric]] | + | * [[Has for prefix qualifier::Sapric (WRB qualifier)|Sapric]] |
| − | * [[Has for prefix qualifier::Floatic]] | + | * [[Has for prefix qualifier::Floatic (WRB qualifier)|Floatic]] |
| − | * [[Has for prefix qualifier::Subaquatic]] | + | * [[Has for prefix qualifier::Subaquatic (WRB qualifier)|Subaquatic]] |
| − | * [[Has for prefix qualifier::Glacic]] | + | * [[Has for prefix qualifier::Glacic (WRB qualifier)|Glacic]] |
| − | * [[Has for prefix qualifier::Ombric]] | + | * [[Has for prefix qualifier::Ombric (WRB qualifier)|Ombric]] |
| − | * [[Has for prefix qualifier::Rheic]] | + | * [[Has for prefix qualifier::Rheic (WRB qualifier)|Rheic]] |
| − | * [[Has for prefix qualifier::Technic]] | + | * [[Has for prefix qualifier::Technic (WRB qualifier)|Technic]] |
| − | * [[Has for prefix qualifier::Cryic]] | + | * [[Has for prefix qualifier::Cryic (WRB qualifier)|Cryic]] |
| − | * [[Has for prefix qualifier::Hyperskeletic]] | + | * [[Has for prefix qualifier::Hyperskeletic (WRB qualifier)|Hyperskeletic]] |
| − | * [[Has for prefix qualifier::Leptic]] | + | * [[Has for prefix qualifier::Leptic (WRB qualifier)|Leptic]] |
| − | * [[Has for prefix qualifier::Vitric]] | + | * [[Has for prefix qualifier::Vitric (WRB qualifier)|Vitric]] |
| − | * [[Has for prefix qualifier::Andic]] | + | * [[Has for prefix qualifier::Andic (WRB qualifier)|Andic]] |
| − | * [[Has for prefix qualifier::Salic]] | + | * [[Has for prefix qualifier::Salic (WRB qualifier)|Salic]] |
| − | * [[Has for prefix qualifier::Calcic]] | + | * [[Has for prefix qualifier::Calcic (WRB qualifier)|Calcic]] |
<!-- ============================================= --> | <!-- ============================================= --> | ||
|style="font-size:0.6em;line-height:0.6em"| | |style="font-size:0.6em;line-height:0.6em"| | ||
| valign="top" class="cadregris" style="margin-bottom:0.6em;border:1px solid #AAAAAA;background-color:#FCFCFC;padding:7px"| | | valign="top" class="cadregris" style="margin-bottom:0.6em;border:1px solid #AAAAAA;background-color:#FCFCFC;padding:7px"| | ||
| − | * [[Has for suffix qualifier::Thionic]] | + | * [[Has for suffix qualifier::Thionic (WRB qualifier)|Thionic]] |
| − | * [[Has for suffix qualifier::Ornithic]] | + | * [[Has for suffix qualifier::Ornithic (WRB qualifier)|Ornithic]] |
| − | * [[Has for suffix qualifier::Calcaric]] | + | * [[Has for suffix qualifier::Calcaric (WRB qualifier)|Calcaric]] |
| − | * [[Has for suffix qualifier::Sodic]] | + | * [[Has for suffix qualifier::Sodic (WRB qualifier)|Sodic]] |
| − | * [[Has for suffix qualifier::Alcalic]] | + | * [[Has for suffix qualifier::Alcalic (WRB qualifier)|Alcalic]] |
| − | * [[Has for suffix qualifier::Toxic]] | + | * [[Has for suffix qualifier::Toxic (WRB qualifier)|Toxic]] |
| − | * [[Has for suffix qualifier::Dystric]] | + | * [[Has for suffix qualifier::Dystric (WRB qualifier)|Dystric]] |
| − | * [[Has for suffix qualifier::Eutric]] | + | * [[Has for suffix qualifier::Eutric (WRB qualifier)|Eutric]] |
| − | * [[Has for suffix qualifier::Turbic]] | + | * [[Has for suffix qualifier::Turbic (WRB qualifier)|Turbic]] |
| − | * [[Has for suffix qualifier::Gelic]] | + | * [[Has for suffix qualifier::Gelic (WRB qualifier)|Gelic]] |
| − | * [[Has for suffix qualifier::Petrogleyic]] | + | * [[Has for suffix qualifier::Petrogleyic (WRB qualifier)|Petrogleyic]] |
| − | * [[Has for suffix qualifier::Placic]] | + | * [[Has for suffix qualifier::Placic (WRB qualifier)|Placic]] |
| − | * [[Has for suffix qualifier::Skeletic]] | + | * [[Has for suffix qualifier::Skeletic (WRB qualifier)|Skeletic]] |
| − | * [[Has for suffix qualifier::Tidalic]] | + | * [[Has for suffix qualifier::Tidalic (WRB qualifier)|Tidalic]] |
| − | * [[Has for suffix qualifier::Drainic]] | + | * [[Has for suffix qualifier::Drainic (WRB qualifier)|Drainic]] |
| − | * [[Has for suffix qualifier::Transportic]] | + | * [[Has for suffix qualifier::Transportic (WRB qualifier)|Transportic]] |
| − | * [[Has for suffix qualifier::Novic]] | + | * [[Has for suffix qualifier::Novic (WRB qualifier)|Novic]] |
|} | |} | ||
| + | |||
| + | ==See also== | ||
| + | |||
| + | * The Histosol's page on [http://en.wikipedia.org/wiki/Histosol Wikipedia] | ||
| + | * The [http://www.fao.org/ag/agl/agll/wrb/wrbmaps/htm/histos.htm FAO's map] of the distribution of histosols in the world | ||
==Source== | ==Source== | ||
Latest revision as of 19:21, 28 June 2017
An histosol (HS) can be defined through :
- a histic or folic horizon
- 10 cm or more thick from the soil surface to a lithic or paralithic contact
- 40 cm or more thick and starting within 30 cm from the soil surface
and :
Possible qualifiers
For each RSG, there are some possible prefix and suffix qualifiers :
|
Prefix qualifiers |
| |
See also
Source
- The FAO website
