CF CF Watershed & Soil Conservation 2

Question 1

Which soil horizon contains the highest concentration of organic matter in a typical forest soil profile?

Accepted Answer

O horizon (organic layer)

Answer

B horizon

Answer

C horizon

Answer

R horizon

Question 2

What is the main benefit of leaving logging slash on steep slopes after harvest?

Accepted Answer

Reduce surface erosion by intercepting rainfall and surface runoff

Answer

Increase fire risk for prescribed burns

Answer

Accelerate site preparation for planting

Answer

Provide browse for deer

Question 3

Which term describes water that infiltrates the soil and moves laterally downslope through the soil matrix to streams?

Accepted Answer

Subsurface flow (interflow)

Answer

Overland flow

Answer

Baseflow

Answer

Throughfall

Question 4

What is the primary concern with soil disturbance on highly erodible soils classified as Lands Unsuitable for Logging (LUL) in state forest practice rules?

Accepted Answer

Irreversible loss of topsoil and long-term site productivity decline

Answer

Reduced wildlife forage availability

Answer

Increased stand density

Answer

Decreased timber revenues

Question 5

What hydrological process is primarily responsible for maintaining low flows in streams between storm events?

Accepted Answer

Groundwater discharge (baseflow)

Answer

Overland surface runoff

Answer

Snowmelt interception

Answer

Canopy throughfall

Question 6

Which practice best protects soil productivity on skid trails after timber harvesting operations are complete?

Accepted Answer

Outsloping and seeding skid trails to establish vegetative cover

Answer

Leaving rutted trails bare for the next entry

Answer

Installing concrete paving on high-use trails

Answer

Treating trails with herbicide to prevent brush competition