gelisol suborders
DESCRIPTION
Gelisol Suborders. Histels - Gelisols with large quantities of organic matter Turbels - Gelisols with evidence of extensive mixing by frost action Orthels - Common gelisols that don’t have high quantities of OM or extensive mixing from frost action . Histosol Suborders. - PowerPoint PPT PresentationTRANSCRIPT
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Gelisol Suborders
Histels- Gelisols with large quantities of organic matterTurbels- Gelisols with evidence of extensive mixing by frost actionOrthels- Common gelisols that don’t have high quantities of OM or extensive mixing from frost action
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Histosol Suborders~Folists- Histosols that aren’t saturated with water for long periods of
time during the year.
~Wassists- Histosols that are submerged for more than 21 hours a day
~Fibrists- Histosols that are primarily made up of slightly decomposed OM called PEAT
~Saprists- Histosols made up of highly decomposed OM called MUCK
~Hemists- Histosols made up of moderately decomposed OM
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Spodosol Suborders• Aquods- Poorly drained Spodosols with a water table at or
near the surface for much of the year• Gelods- Spodosols of very cold climates (mean annual soil
temperature less than 0 degrees C)• Cryods- Spodosols of cold climates• Humods- Well-drained Spodosols that contain relatively large
quantities of OM• Orthods- Common Spodosols that don’t fit in any other
suborders
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Andisol Suborders• Aquands- Andisols with a water table at or near the surface for
much of the year• Gelands- Andisols of very cold climates (mean annual soil
temperature less than or equal to 0 degrees C)• Cryands- Andisols of cold climates• Torrands- Andisols of very dry climates• Xerands- Temperate Andisols with very dry summers and moist
winters• Vitrands- Relatively young Andisols that are coarse- textured and
dominated by glass• Ustands- Andisols of semi-arid and sub-humid climates• Udands- Andisols of humid climates
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Themes in the First 4 Main Orders
• Orth- doesn’t fit in any other suborder• Aqu- water table at or near the surface• Gel- very cold climates less than or equal to 0
degrees C• Cry- cold climates