STM Development: A Systematic Approach Focused on Quality ...
Transcript of STM Development: A Systematic Approach Focused on Quality ...
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STM Development: A Systematic Approach Focused on Quality Control
“A Lofty Aspiration”
Tamzen K. Stringham
University of Nevada, Reno
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Multiple Approaches Dig lots of holes - I will figure this out!
Hang out with the right people!
Check with the dog!
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The Nevada Approach Expert Team Focused
• Respect
• Long-term commitment
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STM Development: A Systematic Approach Focused on Quality Control
TEAM 1. STM Expert / Ecologist (GS-12)/ Team Lead
a. disturbance ecology, plant / soils of region
2. Soil Scientist (GS-12) / Soil Lead on Team a. 10+ years in the region; field based
3. Range Management Specialist a. 10+ years in the region; ecological site team;
herbivory response of plants
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STM Development: A Systematic Approach Focused on Quality Control
TEAM
4. Botanist a. Complete species list; plant/soil relationships
5. GIS Specialist a. Soil MU layers; fire layers; roads; DEMs; etc
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Team Quality = Quality Control
• Commitment to project duration • Respect for team knowledge
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Nevada MLRA Approach
• Logical classification of
landforms, climate, soils, plants
• Disturbance history = similar
• Expert Team i.e., soil
scientist experience mapping
• Disturbance Response
Groups
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NV STM Quality Control Approach Disturbance Response Group
• MLRA 25 – 7+ million ac
– 69 eco sites (Range Sites)
• MLRA 28B – 7.2+ million ac
– 106 eco sites (Range Sites)
• MLRA 24 – ≈7 million ac
– 54 eco sites (Range Sites)
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Methodology for Quality Control 1. Expert Team
2. MLRA Scale
3. DISTURBANCE RESPONSE GROUP (MLRA) A. Larger group interaction:
i. Expert team ii. Agency personnel iii. University scientists iv. Land managers
knowledge of the MLRA and response of the region to various disturbances
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Methodology for Quality Control
1. DISTURBANCE RESPONSE GROUP (MLRA) A. DRG creation: group of ES that respond
similarly to disturbance i. Existing range site (ecological site)
ii. Soils
iii. Precipitation range
iv. Landform and Aspect
v. Dominate plants
vi. Disturbance ecology
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STM Development Process Disturbance Response Groups
• Assemble the core TEAM
• Invite others to participate in office / field events
• Teach the STM concepts to the core
TEAM – Multiple times; office & field
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STM Quality Control Disturbance Response Groups
• MLRA or LRU scale – Build understanding of the climate, soils,
plants
• Soil scientist teach geology, soils, etc
• GIS specialist create data layers of soil map units; fire events; roads; public / private land; etc.
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STM Quality Control Disturbance Response Groups
• Range sites
– Describe Reference Condition = State 1
– Describes landscape, climate, soils, plants, production
– Describes response to disturbance
• Team / Lg Group analyzes each site & determines response to disturbance
• Group sites
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STM Quality Control Disturbance Response Groups
• Grouping process leads to building blocks for STM – Discussion involves
• Soils and soil differences within groups – resilience
• Plant species response to numerous disturbances • Response to repeated disturbance
• Modal site – greatest amount of acres mapped or – typical disturbance response of the group
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STM Development Process
• NO range site – Soil survey / ESD team
• Include a team member who specializes in STM development
– Beyond Soil Survey / Site Development • STM Team will need to visit multiple
locations of the same site to understand the potential states, transitions, community phases etc.
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Draft STM Development – Tier 1
• STM expert develops the draft STM before field visits
• Team reviews
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Experience is critical
Plant / soil relationships ≠ Disturbance response
Range / Plant GIS Soils Range / Plant
STM Knowledge
Teach the STM concepts to the core TEAM Multiple times; office & field
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STM Development Quality Control Field Level
• Expert Team – Focus on Modal ecological site
– multiple locations of the MODAL site to understand the potential states, transitions, community phases etc.
– All sites within a DRG
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• Site verified • Plant list • Range Health
Assessment • Photos • DISCUSSION • DISCUSSION • DISCUSSION
STM Development Quality Control Field Level
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Document Location: GPS Map Unit Soils Elevation Landform Range Health Production Fire History Farming, ground water Pumping, herbivory etc.
STM Development Quality Control Field Level
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Draft STM Development – Tier 2
• STM Expert modifies model per DISCUSSION
• Drafts ecological dynamics section States
Community Phases
Community Pathways
Thresholds or Transitions
Literature Review
• Model and Dynamics reviewed by core TEAM
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Review
• Larger group
• Field
• Office
• Workshop
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MLRA 23 793,333 MLRA 24 80,383 MLRA 25 145,331
Utility of Models
Holloway Fire 2012 1 Million Acres STMs utilized
for Rehab & Stabilization
MLRA 28A & 28B • BLM funds
STMS MLRA 25 • NDF requests
DRG shape files
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Quality Control Starts and Ends with Quality Team of EXPERTS
• Respect Among Team Members
• Commitment to the Project – TEAM MEMBERS
– ADMINISTRATORS