Forest Health Survey 2025 [Minnesota]
Minnesota Geospatial Commons
Full Details
- Title
- Forest Health Survey 2025 [Minnesota]
- Description
- This dataset shows where largescale tree canopy damage was delineated in aerial surveys in 2025. Only forest disturbances were mapped if they were occurring at the time of the flight. Flights occurred from May to August. The following were the most common disturbers, listed from largest area disturbed to smallest area disturbed: spruce budworm, eastern larch beetle, larch casebearer, and emerald ash borer. Several other disturbance agents are not listed. Not included in this dataset are unmapped areas of damage from emerald ash borer in the Twin Cities Metro area and north of the Metro, oak wilt, Armillaria root disease in all tree species, black ash decline, northern hardwood decline, minor defoliation, and other difficult-to-aerially-map tree health problems, The purpose of this survey was to indicate where significant and highly noticeable tree damage occurred. Another purpose of this survey was to monitor general trends in forest health conditions (previous years’ aerial survey data are available through the Forest Health unit of the MNDNR)., June 18 through August 28th time period in which polygons were surveyed aerially
- Creator
- Minnesota. Department of Natural Resources
- Publisher
- Minnesota Geospatial Commons
- Rights
- None
- Access Rights
- Public
- Format
- Files
- Language
- English
- Date Added
- December 31, 2025
- Provenance Statement
- The metadata for this resource was last retrieved from the Minnesota Geospatial Commons on 2025-12-31.
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