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    Author(s): Larry Blocker; Susan K. Hagle; Rick Lasko; Robert Keane; Barry Bollenbacher; Bruce Fox; Fred Samson; Randy Gay; Cynthia Manning
    Date: 2001
    Source: In: Barras, Stanley J., ed. Proceedings: National silvicultural workshop; 1999 October 5-7; Kalispell, MT. Proceedings RMRS-P-19. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 51-59
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (0 B)

    Description

    Relationships between the development of desired conditions based on today’s social values, and an understanding of the historic range of variability (HRV) are key to the implementation of ecosystem management. Relevant to the discussion are wildlife habitat values, forage production, economics related to wood resources, aesthetics and visual quality, changes in predicted and actual fire intensity especially within the urban interface. Potential risks to air quality, and risks associated with changes in insect and pathogen activities, and significant degradation of soil and aquatic resources are also discussed. The HRV for western larch and ponderosa pine cover types are described in terms of vegetation composition, structure, pattern and areal extent at broad- and midscale. They are also described in terms of broadscale fire regimes and mid-scale processes mediated by insects and pathogens.

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    Citation

    Blocker, Larry; Hagle, Susan K.; Lasko, Rick; Keane, Robert; Bollenbacher, Barry; Fox, Bruce; Samson, Fred; Gay, Randy; Manning, Cynthia. 2001. Understanding the connection between historic range of variation, current social values and developing desired conditions. In: Barras, Stanley J., ed. Proceedings: National silvicultural workshop; 1999 October 5-7; Kalispell, MT. Proceedings RMRS-P-19. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 51-59

    Keywords

    silviculture, disturbance ecology, landscape, ecosystem management, historic range of variability (HRV), western larch, ponderosa pine

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https://www.fs.usda.gov/treesearch/pubs/29248