CF CF Watershed & Soil Conservation

Question 1

What is the primary purpose of a best management practice (BMP) related to stream crossings in forestry operations?

Accepted Answer

Prevent sediment delivery and protect water quality at stream crossings

Answer

Maximize log transport efficiency

Answer

Reduce road construction costs

Answer

Increase stream flow velocity

Question 2

Which soil property most directly determines a site's susceptibility to compaction from heavy logging equipment?

Accepted Answer

Soil texture and moisture content

Answer

Soil pH

Answer

Cation exchange capacity

Answer

Soil color

Question 3

What is the function of a broad-based dip (BBD) on a forest road?

Accepted Answer

Divert surface water off the road surface before it gains erosive velocity

Answer

Provide a vehicle turnaround area

Answer

Reduce road gradient to legal limits

Answer

Mark the road centerline for navigation

Question 4

Which equation is most widely used in the US to estimate annual soil erosion from forest and agricultural land?

Accepted Answer

Universal Soil Loss Equation (USLE)

Answer

Darcy's Law

Answer

Manning's Equation

Answer

Moody Chart

Question 5

A riparian buffer strip in a harvested watershed primarily reduces which water quality concern?

Accepted Answer

Sediment delivery and nutrient loading to streams

Answer

Stream temperature increase in winter

Answer

Groundwater salinization

Answer

Dissolved oxygen reduction in deep water

Question 6

What does 'peak flow' refer to in watershed hydrology?

Accepted Answer

The maximum discharge rate in a stream following a storm event

Answer

Average annual streamflow

Answer

The rate of evapotranspiration from a watershed

Answer

Groundwater table depth