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Agrc 111 > Soil and Ecosystem Services > Flashcards

Soil and Ecosystem Services Flashcards

1
Q

Soil % makeup

A

45% minerals, 5% OM, 50% water/air

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2
Q

Destructive soil formation

A

weathering or rock/minerals and decomp of OM

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3
Q

Synthetic soil formation

A

clay mineral and OM formation. soil horizon development

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4
Q

Soil profile

A

vertical sections

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5
Q

soil horizons

A

horizontal sections

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6
Q

6 Global soil functions

A

-plant growth medium
-regulates water supply
-soil organism habitat
-global energy cycle
-influences atmospheric conditions
-engineering medium

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7
Q

Provisioning ecosystem services

A

products obtained. food, fiber, biochemicals

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8
Q

Regulating ecosystem services

A

benefits obtained. water purification, erosion regulation

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9
Q

Cultural ecosystem services

A

non material benefits. aesthetics, education

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10
Q

Supporting ecosystem services

A

necessary for all other services. nutrient cycling, soil formation

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11
Q

Core soil properties

A

texture, mineralogy, soil organic matter

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Agrc 111 (31 decks)

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