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    Author(s): Ronald E. McRoberts
    Date: 2005
    Source: In: Proceedings of the fifth annual forest inventory and analysis symposium; 2003 November 18-20; New Orleans, LA. Gen. Tech. Rep. WO-69. Washington, DC: U.S. Department of Agriculture Forest Service. 222p.
    Publication Series: General Technical Report (GTR)
    Station: Washington Office
    PDF: View PDF  (235.46 KB)

    Description

    Maps of forest cover were constructed using observations from forest inventory plots, Landsat Thematic Mapper satellite imagery, and a logistic regression model. Estimates of mean proportion forest area and the variance of the mean were calculated for circular study areas with radii ranging from 1 km to 15 km. The spatial correlation among pixel predictions was incorporated into the variance calculations. The map-based estimates were compared to estimates obtained using only plot data for the same circular areas. For three circular study areas in Minnesota, the map-based estimates were similar to the plot-based estimates and more precise.

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    Citation

    McRoberts, Ronald E. 2005. A Proposal for Phase 4 of the Forest Inventory and Analysis Program. In: Proceedings of the fifth annual forest inventory and analysis symposium; 2003 November 18-20; New Orleans, LA. Gen. Tech. Rep. WO-69. Washington, DC: U.S. Department of Agriculture Forest Service. 222p.

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