Table 3. Threshold values for individual mitigation measures that are estimated to reduce collisions with large ungulates by ≤50% (see Table 1 for estimated percentages).
| |
| |
|
Threshold values |
Discount rate |
Seasonal sign |
Vegetation removal |
Fence, gap, signs, crosswalk, jump-outs |
Population culling |
Relocation |
Anti-fertility treatment |
| |
|
US$/km/yr |
1% |
$114 |
$530 |
$8153 |
$3040 |
$12 652 |
$71 110 |
|
US$/km/yr |
3% |
$121 |
$530 |
$10 116 |
$3099 |
$12 764 |
$71 110 |
|
US$/km/yr |
7% |
$140 |
$530 |
$14 972 |
$3215 |
$13 164 |
$71 110 |
|
|
|
|
|
|
|
|
|
|
deer/km/yr |
1% |
<0.1 |
0.2 |
3.1 |
0.9 |
3.8 |
21.5 |
|
deer/km/yr |
3% |
<0.1 |
0.2 |
3.8 |
0.9 |
3.9 |
21.5 |
|
deer/km/yr |
7% |
<0.1 |
0.2 |
5.7 |
1.0 |
4.0 |
21.5 |
|
|
|
|
|
|
|
|
|
|
elk/km/yr |
1% |
<0.1 |
<0.1 |
1.2 |
0.4 |
1.5 |
8.1 |
|
elk/km/yr |
3% |
<0.1 |
<0.1 |
1.5 |
0.4 |
1.5 |
8.1 |
|
elk/km/yr |
7% |
<0.1 |
<0.1 |
2.1 |
0.4 |
1.5 |
8.1 |
|
|
|
|
|
|
|
|
|
|
moose/km/yr |
1% |
<0.1 |
<0.1 |
0.7 |
0.2 |
0.8 |
4.6 |
|
moose/km/yr |
3% |
<0.1 |
<0.1 |
0.8 |
0.2 |
0.8 |
4.6 |
|
moose/km/yr |
7% |
<0.1 |
<0.1 |
1.2 |
0.2 |
0.9 |
4.6 |
|
| |
|