POSTFIRE LOGGING

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POSTFIRE LOGGING

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'Salvage' logging: primary objective of dead tree harvest is economic ... John Sessions et al. 2004. Hastening the return of complex forests following fire. ... – PowerPoint PPT presentation

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Title: POSTFIRE LOGGING


1
POSTFIRE LOGGING
Tuesday, April 3, 2007 Dan Stark James McIver
and Lynn Starr. 2001. A literature review on the
environmental effects of postfire logging. West.
J. Appl. For, 16 (4).
2
What is Postfire Logging?
  • Salvage logging primary objective of dead tree
    harvest is economic
  • Postfire logging includes other objectives like
    fuel reduction and erosion control makes no
    assumptions about management objectives
  • (McIver and Starr, WJAF, 2001)

3
SALVAGE LOGGING POLICY
  • 1995 Emergency Timber Sale Program (Salvage
    Rider) Mark Rey, approved by Clinton
  • - Temporarily exempted salvage timber sales on
    federal forest lands from environmental and
    wildlife laws, administrative appeals, and
    judicial review (Wilderness Society Fact Sheet).

4
SALVAGE LOGGING POLICY
  • 1995 Emergency Timber Sale Program (Salvage
    Rider) Mark Rey, approved by Clinton
  • - Directed the Forest Service to cut old-growth
    timber in the Pacific Northwest that the agency
    had proposed for sale but had subsequently
    withdrawn due to environmental concerns,
    endangered species listings, and court rulings.
  • - Expired 1996
  • Sound familiar?

5
POLICY (cont.)
  • Healthy Forests Restoration Act 2003, Bush
  • - Many similarities, to be continued...

6
FRAMING THE DEBATE
  • Proponents mostly land managers, arguments based
    on economic, ecological, and administrative
    principles
  • Opponents harvest operations cause damage either
    directly or indirectly

7
(No Transcript)
8
Environmental Effects
  • Both positive and negative
  • 2 types
  • - activity effects
  • due directly to logging activity
  • - structural effects
  • result of removal of merchantable material

9
Activity Effects
  • Must consider significant effects severe fire has
    on soils and vegetation like...?
  • Depends on site characteristics like topography,
    soils, revegetation patterns, and precipitation
    patterns

10
Activity Effects (cont.)
  • Increase in sediment and water yields as a result
    of increasing catchment area and slope
  • Roads can contribute to increased sediment
    production
  • Increased sediment yields and soil disturbance
    depends on logging system used (ground-based log
    removal vs. aerial)
  • Logging residue can reduce soil loss (esp. after
    needle fall)
  • Can reduce insect build-up and resulting
    potential attack on adjacent green trees by
    removing vulnerable trees

11
Activity Effects (cont.)
  • Outright killing of seedlings
  • Most immediate effect on vegetation is removal of
    large woody structure both dead and alive
  • Disturbed soil from logging can create beneficial
    site for regeneration of certain species (native
    and nonnative)

12
Structural Effects
  • Alter structure, alter habitat (insects and
    wildlife)
  • - structural removal of snags, or down wood
  • - functional removal of food source (like
    beetles)
  • Generally, postfire logging can enhance habitat
    for a particular species or diminish it for
    another. Hey, how about a mosaic?
  • Reduction in intermediate-term fuel loadings? No
    studies to support.

13
DEBATE CONTINUES
  • Donato controversy
  • - data from Biscuit Fire 2002
  • - Showed natural conifer regeneration much
    higher in burned vs. burned and logged sites
    (logging reduced regen. by 71)
  • - Both fine and coarse woody debris loads were
    higher in logged areas vs. burned only
  • - Conclusion postfire logging can be
    counterproductive to goals of forest
    regeneration and fuel reduction. WOW!

14
...and continues
  • Aftermath
  • - Oregon state professors tried to halt the
    publication of article
  • - BLM cut-off final year of funding (restored
    after a week due to pressures in Congress)
  • - character and ability questioned
  • Bush administration and the Biscuit Fire loggers
    should move in quickly, cut marketable trees...,
    and replant a healthy forest (washingtonpost.com)

15
FURTHER READING
  • James McIver and Lynn Starr. 2001. A literature
    review on the environmental effects of postfire
    logging. West. J. Appl. For., 16 (4).
  • D.C. Donato et al. 2006. Post-wildfire logging
    hinders regeneration and increases fore risk.
    Science. V311.
  • D. B. Lindenmayer et al. 2004. Salvage harvesting
    policies after natural disturbance. Science.
    V303.
  • John Sessions et al. 2004. Hastening the return
    of complex forests following fire. J. of For.
    April/May.
  • In Fires Wake, Logging Debate Inflames Debate.
    www.washingtonpost.com. Monday, Feb. 27, 2006.

16
Why mitigate post fire effects?
Waterman Canyon, Oct 25, 2003 Old Fire 92,000
acres Two months later
Waterman Canyon has had a slide, in one form or
another, within a year of every fire since
1932 Other hill-slope scenarios very similar
throughout the western US
17
  • Most of southern California (and huge portions of
    Bay Area flatlands) are built on alluvium from
    surrounding hills
  • Large derived during post-fire storm events

Harrison Canyon Catchment Basin (1983) Spring
Creek Debris Flow (1999). Both San Bernardino
County, both are from USGS SCAMP director Doug
Morton.
18
Source
  • Robichaud, Beyers Neary, 2000. Evaluating the
    Effectiveness of Postfire Rehabilitation
    Techniques. RMRS-GTR-63
  • Download from class webpage

19
B.A.E.R.Burned Area Emergency Rehabilitation
  • Formal Authority 1974
  • Originally for
  • 1) Threat Reduction
  • 2) Soil Water Loss
  • 3) Water Control
  • 4) Water Quality
  • Reassessed 1998
  • Addition assessment for needs concerning
  • Evaluation of run-off control
  • Minimization of downstream post-fire effects
  • Assess impacts on ecosystems ability to recovery
  • Compare Hillslope v. Channel mitigation effects
  • Assess economic, social and environmental costs
    benefits (including no treatment)
  • Treatment Transfer How can one successful
    treatment be employed elswhere
  • Identification of information gaps

20
Process
  • BAER initiates during Type 1 project fire events
  • Requested by Type 1 Overhead
  • Own authority
  • On request by area-of-concern managers
  • (usually Forest level)
  • Team is in-place well before containment
    control begins immediately on soil water
    rehabilitation, usually during suppression
    activities

21
Staff
  • Team Leader (just like a Type 1 Incident
    Commander)
  • Disciplines
  • Hydrology
  • Soils
  • Timber Management
  • Wildlife
  • Engineering
  • Range Management
  • Archaeology
  • Fire Management
  • Geology

22
BAER
  • A. Primary Objectives
  • Health Human Safety
  • Watershed Stabilization
  • Both fire-effected area downstream
  • Should address both alluvial colluvial mass
    movement
  • B. Secondary Big question
  • Is there any treatment that could be performed
    that will significantly increase ecosystem
    recovery?

23
BAER
  • Limited to rehab work and significant
    improvement over natural recovery
  • For instance
  • Cannot build new facilities with BAER (but you
    can repair old ones)
  • Cannot alter long-term silvicultural goals (but
    can provide for some seeding, if significant
    improvement is indicated)
  • Cant set up tasked, event-specific research

24
BAER
  • GTR-63 provides
  • Fire effects review
  • How to acquire analyze data
  • How to describe results of assessment
    monitoring
  • Discusses BAER assessments treatment
    effectiveness
  • Makes conclusions regarding BAER process
  • Makes recommendations about BAER process

25
HILLSLOPE TREATMENTS
First line of defense
  • Broadcast seeding, including grasses
  • Exotics cheap, fast growth
  • Natives Expensive (20x to 50x), slow growth
  • Most BAER treatments are shying away from
    inexpensive seeding, but Private, County State
    agencies (except CDF) not.
  • Mulching
  • Contour trenching
  • Contour felling
  • Fencing contour check-dams
  • Lopping scattering of slash
  • Hay, straw wattles, Jute meshing, etc

26
Channel Treatments
  • Within any order stream
  • Check dams
  • Logs
  • Hay Bales
  • Rock Dams, Rock Cages, Weirs
  • Tend to fill w/ debris

27
Road Treatments
  • Target increase the water and sediment
    capabilities of roads road structures
  • Culverts
  • Out-sloping
  • Overflows
  • Crossings
  • Bridges

28
QUESTIONS
  • Briefly discuss the Fire Impacts that GTR-63 is
    concerned with.
  • What are the three primary types of erosion
    control treatment categories?
  • Why isnt broadcast seeding such a good idea
    anymore, and what vegetation community is most
    affected by this treatment?
  • Are no treatment costs more or less than
    specific treatment alternatives? Why or why not?
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