October 2021 - 36

Slope and topography play important roles in recovery following a wildfire. Slope is an important land feature because fires tend to burn faster as they move uphill and as slopes get steeper.
(WGFD photo)
" We need to continue to watch for cheatgrass
invasions post-wildfire. Its presence can affect
native, perennial vegetation recovery and also
result in altered fire frequencies in the future, "
Amundson said.
While cheatgrass is quick to move in after a disturbance,
other plants are a bit slower to respond
to the benefits from a wildfire. Aspen suckers,
which sprout from aspen roots and allow trees to
reproduce quickly if damaged or stressed, started
to appear in late June, some of which were 12 to
18 inches tall.
Fire typically stimulates a strong suckering
response in aspen. In other wildfires, such as the
2012 Squirrel Creek and the Badger Creek fires,
aspen response has been good. " Of all the treatments
we do for aspen, fire gives us the greatest
number of sprouts per acre compared to other
treatments, " Amundson said. " Clear-cutting or
other mechanical treatments may give us several
hundred aspen sprouts per acre, while fire results
in several thousand per acre. "
Many wildfires occur in the summer, but the
The severity of damage to its roots, stems and crown determines whether a tree will survive a wildfire. A ponderosa
pine benefits from the insulating factors of its extremely thick bark, which protects it from damaging heat.
Ponderosa pines also have deep roots which provide further protection. Spruce and firs are more prone to damage
from wildfires than pines. (WGFD photo)
36 | October 2021
Mullen Fire started in September and burned for
more than two months.
" As a result we are seeing a delayed aspen regeneration
response, " Amundson said.

October 2021

Table of Contents for the Digital Edition of October 2021

October 2021 - 1
October 2021 - 2
October 2021 - 3
October 2021 - 4
October 2021 - 5
October 2021 - 6
October 2021 - 7
October 2021 - 8
October 2021 - 9
October 2021 - 10
October 2021 - 11
October 2021 - 12
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October 2021 - 14
October 2021 - 15
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October 2021 - 17
October 2021 - 18
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October 2021 - 21
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October 2021 - 33
October 2021 - 34
October 2021 - 35
October 2021 - 36
October 2021 - 37
October 2021 - 38
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October 2021 - 42
October 2021 - 43
October 2021 - 44
October 2021 - 45
October 2021 - 46
October 2021 - 47
October 2021 - 48
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