a resource for assessment, restoration

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a resource for assessment, restoration
monitoring
New MexicoRangeland EcologicalAssessment
Photo by REA crew 2006 Field-identified as
SHRUB-INVADED SAVANNA, Pietown NM (Loamy
Ecological Site Rabbitbrush/Blue Grama)
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• Slideshow Outline
• What is the REA?
• Methods
• Results
• Zoom on an Ecosystem Piñon-Juniper
• Zoom on an area BLM Roswell District
• District Scale
• Project Scale

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Methods
Example of NRCS State-Transition Model REA
mapped these states, drivers management options
1. Map Ecological Sites . NRCS soil
surveys 2. Map Ecological
States . ESDs, Experts, Remote
Sensing
3. Attribute States Analyze Results
.
Reference/Non-Reference Condition
. Ecological
Drivers
. Restoration Opportunity
Photo by REA crew 2006 Reference Condition
Grassland near Deming, NM, although no black
grama (Loamy Ecological Site Tobosagrass)
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Results
Ecological ConditionReference/Non-Reference
ConditionRestoration Opportunity
Ecological ConditionReference/Non-Reference
ConditionRestoration Opportunity
Ecological ConditionReference/Non-Reference
ConditionRestoration Opportunity
REA-mapped to date 14.2 million acres (March
2008)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom in on an Ecosystem
example using Piñon-Juniper
Historical PJ (REA-mapped)
land status
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom in on an Ecosystem
example using Piñon-Juniper
Current PJ (REA- mapped)
land status
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom in on an Ecosystem
example using Piñon-Juniper
Current PJ Watersheds
land status
Watersheds HUC 8 HUC 12 (inset)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom in on an Ecosystem
example using Piñon-Juniper
FRCC Landfire National
land status
Watersheds HUC 8 HUC 12 (inset)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom in on an Ecosystem
example using Piñon-Juniper
Current PJ FRCC
land status
FRCC
Watersheds HUC 8 HUC 12 (inset)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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Zoom on an areaBLM Roswell DistrictBroad
Scale Condition (states)
CFO RFO Woody Invaded 3
16Woody Dom. 67
26Woody Altered 9 6
Grassland (ref) 3 1Savanna
(ref) 11 20 of BLM land.
Unresolved class not shown.see Fig. 7 in REA
report (p. 41-42)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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BLM Roswell District Restoration
Opportunity CFO RFO
Fire Mgt 88
83Grazing Mgt 74 57Soil
Restoration 1 4 Veg Mgt
78 73 of BLM land.
Unresolved class not shown.see Fig. 9 in REA
report (p. 51-42)
The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.
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BLM Roswell District Project Scaleexample of
an REA and ESD approach

• Integrate States LPC Habitat
• Re-map states/habitat at fine scale
• Prioritize Areas e.g. at-risk
• Treat Areas (consult ESDs)
• Monitor Treatment Response
• Adaptively Manage

The REA is mid-scale results for specific
locations must be corroborated by higher
resolution data.