soils -linking rivers and slopes
DESCRIPTION
Soils -linking rivers and slopes. Soil development including germane processes and results; consider chronosequences. “ How to ” for soil descriptions - horizons, texture, color, structure. What is a soil?. 1. Namibia - bare schist slopes THIN ROCKY SOILS “ weathering limited ”. - PowerPoint PPT PresentationTRANSCRIPT
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Soils -linking rivers and slopes
1. Soil development including germane processes and results; consider chronosequences.
1. “How to” for soil descriptions - horizons, texture, color, structure
.
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What is a soil?
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Namibia - bare schist slopes
THIN ROCKY SOILS“weathering limited”
Brazil- thick, soil mantled granite
THICK, CLAY-RICH SOILS
“transport limited”
1
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2Horizons
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climate 1
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climate 1
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climate 1
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Organisms 1
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http://www.regional.org.au/au/asssi/supersoil2004/, Tomins et al, Sydney AU
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Basalt soil, OR
Floodplain silts, Tasmania
Limestone, Coonawarra, AUTerra rosa
Parent Material
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Soil Chronosequencetime
1
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Soil Development1
Explain how 5 factors influence soil properties and development
CL O R P T
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2Texture
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Soil Descriptions
2Texture
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2Color
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2Structure
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Wednesday Lab
• Meet in lobby• Move to the field, Richmond• Cooler wetter weather, be prepared.• Wear sturdy shoes please, we’ll be
digging• Old clothes, this is a dirty one• Bakery stop after? $$$