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Staff present early "vital signs" analysis of agriculture in the Gorge, flagging data limits and next steps
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Summary
Staff showed preliminary agriculture 'vital signs' for the National Scenic Area, noting 33% of the landscape is designated agricultural and that cropland satellite data and county Census figures have limitations for NSA‑scale inference; they proposed ground‑truthing and interviews next.
Sage and Mackenzie, staff leading the Commission’s vital‑signs effort, presented an initial data review to the Economic Vitality Committee that aims to show whether land within the National Scenic Area is being used for agriculture and whether current management plan tools support agricultural viability.
Sage said — citing landscape assessments and cropland data from the National Agricultural Statistics Service — that about 33% of the NSA is designated as agricultural land. She and Mackenzie explained the main data sources they are using: county‑level Census of Agriculture summaries and a cropland satellite product. Both datasets have limitations for the Commission’s purposes: Census data are county‑wide and not clipped to the NSA boundary, and the cropland product provides land‑cover classification (not economic value) with spatial resolution that was 30 meters historically and improved to 10 meters in recent years, which remains coarse for the small parcels common in the scenic area.
Mackenzie summarized how the management plan protects agriculture through minimum parcel sizes that were set to match typical operations — for example, 160‑acre minimums for grazing and 40‑acre minimums for more intensive cropping — and noted that some small parcels were intentionally designated agricultural when the boundary was mapped to avoid future conflicting uses.
Commissioners and staff discussed the agricultural income test used to screen residential proposals on agricultural parcels. Staff said the test exists in the management plan and that many applicants do not meet its standards so few houses are approved, a point described by staff as "we do get inquiries" but "they don't go forward" when the standards cannot be met. Committee members asked whether the income test has produced the intended conservation effect or if it filters nearly all applicants and should be reexamined.
Why it matters: the analysis will feed into the management‑plan review and could identify whether policies — such as the ag income test and minimum parcel sizes — are working as intended, whether they create barriers to viable agricultural activity in some places, and where targeted policy or program adjustments could help sustain farms and grazing operations.
Next steps: staff recommended summarizing datasets, pursuing ground‑truthing and interviews with local ag operators, and continuing to explore datasets that can be spatially clipped to the National Scenic Area to better match policy questions.
Quotes: "The overarching goal of this program is to really help us determine how well the management plan is doing the things that it says it's doing," Sage said. Mackenzie added that "minimum parcel sizes take into account common field sizes" and that parcel designation choices were intended to prevent land‑use fragmentation.
