Difference between revisions of "Histosol"

From Wicri Urban Soils
imported>Thierry Daunois
imported>Jacques Ducloy
m (12 revisions imported)
 
(3 intermediate revisions by one other user not shown)
Line 1: Line 1:
 
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==

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 :

  • the lack of an andic or vitric horizon starting within 30 cm from the soil surface

Possible qualifiers

For each RSG, there are some possible prefix and suffix qualifiers :

Prefix qualifiers

 
Suffix qualifiers
 
 

See also

  • The Histosol's page on Wikipedia
  • The FAO's map of the distribution of histosols in the world

Source

fr:Histosol