Factor

Rating Value

5

4

3

2

1

0

Alternative crossings
(distance to nearest)

>20 km

10 - 20 km

5 - 10 km

1 - 5 km

100 - 1,000 m

Adjacent

Crossing width
(shore to shore)

> 1,000 m

500 - 1,000 m

300 - 500 m

100 - 300 m

20 - 100 m

< 20 m

Caribou sensitivity
(by life cycle period)

Calving

Post-calving

Spring

Late summer

Fall/rut

Late winter

Early winter

Not applicable

Caribou condition
(by life cycle period)

Calving

Post-calving

Spring

Late summer

Fall/rut

Late winter

Early winter

Not applicable

Level of environmental stress
(by life cycle period)

Post-calving

Calving

Late summer

Spring

Fall/rut

Late winter

Early winter

Not applicable

Regularity of use by caribou

At least once every year

Almost every year

About 1 year in 2

About 1 year in 4

About 1 year in 10

Rare; < 1 year in 10

Intensity of use
(no. caribou/year)

> 20,000

10,000 - 20,000

5,000 - 10,000

1,000 - 5,000

100 - 1,000

< 100