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This document is contained within the Fire Management Toolbox on Wilderness.net. Since other related resources found in this toolbox may be of interest, you can visit this toolbox by visiting the following URL:

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Effects of Fire on Invasives Create a disturbance ... or downed trees within or near lakes, streams, and wetlands. Author: PCxx Last modified by: wilderness.ws2 – PowerPoint PPT presentation

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Title: This document is contained within the Fire Management Toolbox on Wilderness.net. Since other related resources found in this toolbox may be of interest, you can visit this toolbox by visiting the following URL:


1
  • This document is contained within the Fire
    Management Toolbox on Wilderness.net. Since other
    related resources found in this toolbox may be of
    interest, you can visit this toolbox by visiting
    the following URL http//www.wilderness.net/index
    .cfm?fusetoolboxessecfire. All toolboxes are
    products of the Arthur Carhart National
    Wilderness Training Center.

2
Wilderness Fire Resource Advisor Training
Non-native Invasive Species
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6
What Are Non-Native Invasive Species and Why Be
Concerned About Them?
  • Not indigenous to local area
  • Aggressive displace native species
  • Often difficult to control or eradicate
  • Includes plants and animals
  • Also called exotics, alien species, invasives,
    weeds, noxious weeds, aquatic nuisance species
    (ANS), NNIS
  • Not everything that is exotic is invasive

7
ARRIVE
10
ESTABLISH
10
PEST
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SERIOUS PEST
8
Invasives not caught early are PERMANENT
9
Economic Impacts
  • Recent estimates of cost 120 billion/year in
    U.S.
  • For example
  • Costs to fisheries
  • Costs to rangelands and farmlands
  • Costs to forestry
  • Real estate costs

10
Native Plant Diversity
11
Including rare plants
12
Wildlife
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Site Productivity
14
Watersheds and Aquatic Ecosystems
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Recreation
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Ecological Processes
17
Wilderness Values
An area of wilderness is further defined to mean
in this Act an area of undeveloped Federal Land
retaining primeval character and influence,
without permanent improvements or human
habitation, which is protected and managed so as
to preserve its natural conditions
18
Wilderness Values
There is a substantive argument that invasives
are not part of that naturalness, they are aliens
to wilderness in North America. They are also
not a good thing for the HEALTH of the land
(flora and fauna ecosystem integrity).
19
What Authorities Do You Have?
  • Noxious Weed Control and Eradication Act 2004
  • Plant Protection Act 2000 (update of Federal
    Noxious Weed Act)
  • Non-indigenous Aquatic Nuisance Prevention and
    Control Act 1990
  • Salt Cedar and Russian Olive Control
    Demonstration Act 2006
  • Executive Order 13112
  • Agency Direction

20
Effects of Fire on Invasives
  • Create a disturbance weeds colonize disturbed
    areas
  • Reduced competition from native species
  • Nutrient flush in soil
  • Increase in light, needed by some invasive
    species to germinate
  • In some cases fire may be used as a tool for weed
    control
  • FEIS Fire Effects Information Systema good
    resource for fire effects on specific species
    (http//www.fs.fed.us/database/feis/)

21
Effects of Fire Suppression on Invasives
  • Dispersal spread of weed seeds, plant parts,
    aquatic animals

22
Effects of Fire Suppression on Invasives
Dispersal
23
Effect of Fire Suppression on Invasives
  • Ground Disturbance

24
RA Toolkit
  • INFORMATION RESOURCES
  • Invasive Species List
  • Invasive Species Identification Tools
  • Invasive Species Locations
  • Weed Ecological Risk Analysis

25
Invasive Species List
  • Learn to recognize species
  • Known species vs. watch out species
  • Relative abundance

Everywhere
A few sites
RA TOOLKIT
26
Identification Tools
  • Published field guides
  • Local field guides

RA TOOLKIT
27
RA TOOLKIT
28
Weed Ecological Risk Analysis
  • Tool that helps identify habitats susceptible to
    weed invasion

For example, Ecological Landtype (ELT) 13 on
Superior - not very susceptible to spotted
knapweed or leafy spurge
RA TOOLKIT
29
ELT 6 - very susceptible to purple loosestrife
ELT 18 - very susceptible to spotted knapweed or
leafy spurge
RA TOOLKIT
30
RA Toolkit
  • RULES OF THUMB FOR PREVENTION
  • Minimize Ground Disturbance
  • Equipment Cleaning
  • Avoid ground disturbance in weed infestations
  • Avoid placing spike camps, helipads, fire camps,
    staging areas in weed infestations
  • Avoid moving water from infested lakes to
    uninfested lakes
  • Prevention planning with invasive species
    coordinator before fire season

31
Weed Treatment
32
Interaction with IMT
  • Understand and respect the chain of commandyou
    have the potential to significantly impact
    operations. Educate with tact.
  • Be prepared to defend your requestsat shift
    briefings, team meetings, etc.
  • Be prepared to follow up the next year(s)

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