Difference between revisions of "Histosol"
From Wicri Urban Soils
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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 | + | * 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== | ||
+ | |||
+ | For each RSG, there are some possible prefix and suffix qualifiers : | ||
+ | |||
+ | {|width="60%" cellspacing="0" cellpadding="0" style="margin-top:0.6em" | ||
+ | |- | ||
+ | |width="50%" valign="middle" style="border:1px solid #CCF7CC;background:#EEFFEE;padding:7px;text-align:center"| | ||
+ | <big>'''Prefix qualifiers'''</big><br/> | ||
+ | |style="padding:4px;font-size:1px"| | ||
+ | |width="50%" valign="middle" style="border:1px solid #DDDDF7;background:#F7F7FF;padding:7px"| | ||
+ | <center><big>'''Suffix qualifiers'''</big></center> | ||
+ | |- | ||
+ | |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"| | ||
+ | * [[Has for prefix qualifier::Folic (WRB qualifier)|Folic]] | ||
+ | * [[Has for prefix qualifier::Limnic (WRB qualifier)|Limnic]] | ||
+ | * [[Has for prefix qualifier::Lignic (WRB qualifier)|Lignic]] | ||
+ | * [[Has for prefix qualifier::Fibric (WRB qualifier)|Fibric]] | ||
+ | * [[Has for prefix qualifier::Hemic (WRB qualifier)|Hemic]] | ||
+ | * [[Has for prefix qualifier::Sapric (WRB qualifier)|Sapric]] | ||
+ | * [[Has for prefix qualifier::Floatic (WRB qualifier)|Floatic]] | ||
+ | * [[Has for prefix qualifier::Subaquatic (WRB qualifier)|Subaquatic]] | ||
+ | * [[Has for prefix qualifier::Glacic (WRB qualifier)|Glacic]] | ||
+ | * [[Has for prefix qualifier::Ombric (WRB qualifier)|Ombric]] | ||
+ | * [[Has for prefix qualifier::Rheic (WRB qualifier)|Rheic]] | ||
+ | * [[Has for prefix qualifier::Technic (WRB qualifier)|Technic]] | ||
+ | * [[Has for prefix qualifier::Cryic (WRB qualifier)|Cryic]] | ||
+ | * [[Has for prefix qualifier::Hyperskeletic (WRB qualifier)|Hyperskeletic]] | ||
+ | * [[Has for prefix qualifier::Leptic (WRB qualifier)|Leptic]] | ||
+ | * [[Has for prefix qualifier::Vitric (WRB qualifier)|Vitric]] | ||
+ | * [[Has for prefix qualifier::Andic (WRB qualifier)|Andic]] | ||
+ | * [[Has for prefix qualifier::Salic (WRB qualifier)|Salic]] | ||
+ | * [[Has for prefix qualifier::Calcic (WRB qualifier)|Calcic]] | ||
+ | |||
+ | <!-- ============================================= --> | ||
+ | |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"| | ||
+ | * [[Has for suffix qualifier::Thionic (WRB qualifier)|Thionic]] | ||
+ | * [[Has for suffix qualifier::Ornithic (WRB qualifier)|Ornithic]] | ||
+ | * [[Has for suffix qualifier::Calcaric (WRB qualifier)|Calcaric]] | ||
+ | * [[Has for suffix qualifier::Sodic (WRB qualifier)|Sodic]] | ||
+ | * [[Has for suffix qualifier::Alcalic (WRB qualifier)|Alcalic]] | ||
+ | * [[Has for suffix qualifier::Toxic (WRB qualifier)|Toxic]] | ||
+ | * [[Has for suffix qualifier::Dystric (WRB qualifier)|Dystric]] | ||
+ | * [[Has for suffix qualifier::Eutric (WRB qualifier)|Eutric]] | ||
+ | * [[Has for suffix qualifier::Turbic (WRB qualifier)|Turbic]] | ||
+ | * [[Has for suffix qualifier::Gelic (WRB qualifier)|Gelic]] | ||
+ | * [[Has for suffix qualifier::Petrogleyic (WRB qualifier)|Petrogleyic]] | ||
+ | * [[Has for suffix qualifier::Placic (WRB qualifier)|Placic]] | ||
+ | * [[Has for suffix qualifier::Skeletic (WRB qualifier)|Skeletic]] | ||
+ | * [[Has for suffix qualifier::Tidalic (WRB qualifier)|Tidalic]] | ||
+ | * [[Has for suffix qualifier::Drainic (WRB qualifier)|Drainic]] | ||
+ | * [[Has for suffix qualifier::Transportic (WRB qualifier)|Transportic]] | ||
+ | * [[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