Erosion Four Corners
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Transcript of Erosion Four Corners
Erosion Four Corners
Last man standing!(most likely going to be a woman…
Just saying…)
When rill erosion is not controlled, the MAIN result is:
1-Aseptic erosion.
2-Glacial erosion.
3-Gully erosion.
4-Sheet erosion.
When topsoil is removed at an excessive rate, usually caused by humans, it is BEST
called:
1-Accelerated erosion.
2-Glacial erosion.
3-Natural erosion.
4-Shore erosion.
The MAIN type of erosion that happens on sandy soils is: 1-Glaciers.
2-Land slippage.
3-Water.
4-Wind.
Of all the types of erosion, which form is the MAJOR cause of soil loss in North
America?
1-Glacier erosion
2-Land slippage
3-Water erosion
4-Wind erosion
When small channels form on sloping land where running water from precipitation has washed soil
away, it is BEST called: 1-Gully erosion.
2-Rill erosion.
3-Sheet erosion.
4-Slippage erosion.
Land slippage is best described as soil erosion that occurs:
1-On level, clayey soils.
2-On bottomlands near rivers.
3-On sloping, water saturated soils.
4-On sandy soils near the tree line.
The planting of vegetation on excavated soil to hold it in place is
a land treatment called:
1-Cover crop. 2-Mulching.
3-Silt fence.
4-Strip cropping.
The use of rip-rap, fabrics, straw, vegetation or concrete on a creek
or roadside bank to prevent erosion is called:
1-Mulching.
2-Silt fence.
3-Stabilizing.
4-Waste management.
Planting on the contour is a soil conservation method described as:
1-Making ridges of earth across a slope.
2-Planting across the slope of a hill.
3-Planting different crops from year to year.
4-Constructing small ditches across slopes.
Not planting the same crop in the same place year after year is know as:
1-Conservation tillage.
2-Diversion ditchers.
3-Rotating crops.
4-Strip cropping.
Planting different crops in alternate sections on sloping land is called:
1-Conservation tillage.
2-Rotating crops.
3-Strip cropping.
4-Terracing.
What is it called when rows of trees are planted to prevent soil
erosion on level, sandy land?
1-Conservation tillage
2-Diversion ditch
3-Strip cropping
4-Windbreak