soils -linking rivers and slopes
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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
.
What is a soil?
Namibia - bare schist slopes
THIN ROCKY SOILS“weathering limited”
Brazil- thick, soil mantled granite
THICK, CLAY-RICH SOILS
“transport limited”
1
2Horizons
climate 1
climate 1
climate 1
Organisms 1
http://www.regional.org.au/au/asssi/supersoil2004/, Tomins et al, Sydney AU
Basalt soil, OR
Floodplain silts, Tasmania
Limestone, Coonawarra, AUTerra rosa
Parent Material
Soil Chronosequencetime
1
Soil Development1
Explain how 5 factors influence soil properties and development
CL O R P T
2Texture
Soil Descriptions
2Texture
2Color
2Structure
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? $$$
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