Section 6: Limiting Factors and Threats

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Section 6 Limiting Factors and Threats

• Assessment of key and secondary limiting factors
  and threats to the recovery of Oregon Lower
  Columbia salmon and steelhead.
• Basic information has been presented to the
  Stakeholder Team and was approved as a reasonable
  basis to develop draft management actions.
• Draft section contains considerably more detail
  related to the specificity of limiting factors
  and threats to each species/population

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Limiting Factors Threats - Next Steps

• Review to identify 1) inconsistencies in
  information provided to describe limiting factors
  and threats at each life-stage 2) factual
  errors and 3) omission of important information.
• Provide written comment back to facilitators by
  Sept. 17.

• We will provide updated section prior to next
  Stakeholder meeting.

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Section 7 Management Strategies and Actions for
the Recovery of Oregon Populations of Lower
Columbia River Salmon and Steelhead
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Key Points

• Work in progress.
• Intent is to show framework.
• Foundation for stakeholders and planning team to
  provide details.
• Today will go over conceptual framework will
  not get into details of every management action
• Details will come at next meeting after we
  receive written comments.

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Conceptual Framework
Program Gaps Mods.
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Spatial/Thematic Domains for Management Strategies

• Tributary Habitat
• Estuarine Habitat (all tidewater below
  Bonneville)
• Mainstem Columbia Habitat (above Bonneville)
• Harvest Management
• Hatchery Management

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Tributary Habitat Management Strategies
1 - Protect and conserve natural ecological
processes that support the viability of
populations and their life history strategies
throughout their life cycle. 2 - Restore
floodplain connectivity and function, and
maintain unimpaired floodplain connectivity and
function. 3 - Restore riparian condition and LWD
recruitment, and maintain unimpaired
conditions. 4 - Restore passage and connectivity
to habitats blocked or impaired by artificial
barriers, and maintain unimpaired passage and
connectivity. 5 - Restore altered hydrograph to
provide sufficient flow during critical
periods. 6 - Restore channel structure and
complexity, and maintain unimpaired structure and
complexity. 7 - Improve degraded water quality
and maintain unimpaired water quality. 8 -
Restore degraded upland processes to minimize
unnatural rates of erosion and runoff, and
maintain unimpaired natural upland processes.
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Estuarine Habitat Management Strategies
1 - Protect and conserve natural ecological
processes that support the viability of
populations and their life history strategies
throughout their life cycle. 2 - Restore
floodplain connectivity and function, and
maintain unimpaired floodplain connectivity and
function. 3 - Provide magnitude and timing of
sediment and protect existing sediment resources
that support the ecological needs of salmon and
steelhead populations as they rear and migrate
through the estuary. 4 - Provide magnitude and
timing of flows that support the ecological needs
of salmon and steelhead populations as they rear
and migrate through the estuary. 5 - Restore
channel structure and complexity, and maintain
unimpaired structure and complexity. 6 - Reduce
the beach stranding of juvenile salmon and
steelhead as they rear and migrate through the
estuary. 7 - Restore impaired food web dynamics
and function, and maintain unimpaired dynamics
and function. 8 - Improve degraded water quality
and maintain unimpaired water quality.
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Mainstem Columbia River Habitat Management
Strategies
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Harvest Management Strategies

• Reduce fisheries impacts on natural origin
  salmon and steelhead populations.

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Hatchery Management Strategies

• Reduce the impacts of hatchery origin salmon and
  steelhead on natural origin salmon and
  steelhead.

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Linking the Pieces

• Limiting Factors
• Threats
• Species and Life Stages
• VSP Parameters
• Priority Locations
• Strategies
• Actions

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Example - Tributary habitat limiting factors and
threats, VSP parameters primarily affected, and
life stages primarily affected, and priority
locations for actions.
Key 2a - Impaired habitat access for returning
adult coho, chum, fall Chinook, and winter
steelhead due to hatchery weirs at NF and SF
Klaskanine hatcheries. VSP Parameters
Primarily Effected Abundance and
distribution Priority Locations NF and SF
Klaskanine hatchery weirs.
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Management Actions Example
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Conceptual Framework
Program Gaps Mods.
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Sufficiency of Existing Programs
Key Points

• Not an easy thing to do
• So far have comprehensive review of statewide,
  state agency programs as they relate to tributary
  habitat
• At a minimum need to include review of federal
  agency programs and programs for the other
  spatial/theme domains for which actions are being
  developed (i.e. estuary, mainstem Columbia River,
  harvest, and hatcheries)
• Not an easy thing to do
• Opportunity to include local programs may
  simply list these without sufficiency review

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Next Steps

• Review Management Strategies and Actions section
  (7).
• Provide written comment back to facilitators by
  Sept. 17.
• Pay particular attention to
• Missing actions
• Priority locations
• Missing programs

• We will provide updated section prior to next
  Stakeholder meeting.

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Handout
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Handout
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Questions?