BLM Natl AIM TerrADat: Terrestrial Monitoring Data for U.S. Public Lands

Monitoring data collected nationally to understand the status, condition, and trend of resources on Bureau of Land Management lands. The data focus on terrestrial core indicators like plant species cover, composition, height, and soil stability. Data collection followed a standardized methodology using spatially balanced, random sampling to provide an unbiased representation of land conditions.

Use Cases

• Assessing rangeland health trends based on vegetation and soil condition indicators.
• Modeling plant species composition and cover across BLM administrative states.
• Evaluating soil stability and erosion risk on public lands.
• Analyzing the distribution of noxious versus non-noxious plant species.

Strengths

• Data collection uses spatially balanced, random sampling for unbiased representation.
• Indicators and methods are standardized and documented in BLM Technical Note 440.
• Data is linked to specific state-level species classifications for noxious and sagebrush plants.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description warns against statistical or spatial inference without knowledge of the sample design.

Provenance

Source

Department of the Interior, Bureau of Land Management

Collection Method

Collected using the Natural Resource Conservation Service's National Resource Inventory methodology.

Time Range

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Freshness

Last updated 2026-03 08:24:32.689245; freshness should be verified.

Geography

Bureau of Land Management lands in the United States.