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    Author(s): Steve R. Auten; Nadia Hamey
    Date: 2012
    Source: In: Standiford, Richard B.; Weller, Theodore J.; Piirto, Douglas D.; Stuart, John D., tech. coords. Proceedings of coast redwood forests in a changing California: A symposium for scientists and managers. Gen. Tech. Rep. PSW-GTR-238. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. pp. 347-355
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (287.31 KB)

    Description

    On August 12, 2009, the Lockheed Fire ignited the west slope of the Santa Cruz Mountains burning approximately 7,819 acres. A mixture of vegetation types were in the path of the fire, including approximately 2,420 acres of redwood forest and 1,951 acres of mixed conifer forest types representative of the Santa Cruz Mountains. Foresters and land managers were left with tough decisions on how to treat tree damage and mortality compounded by the Pine Mountain Fire which occurred in the same area in 1948. Big Creek Lumber Company (BCL), Cal Poly's Swanton Pacific Ranch (SPR) and other professionals familiar with this region of redwood teamed up to develop a method for evaluating damage and mortality. Qualitative criteria for evaluating stand damage focused on historic defect, cambial death, root damage, and associated fire intensity. Quantitative damage criteria was used to contrive three mortality assessment tables, broken up by diameter class (1 through 8, 9 through 16, 17+), for all tree species and tested against 83, 1/5th acre fixed plots from SPR's Continuous Forest Inventory. Since the initial mortality evaluation using the new tables in fall of 2009, each of the 2877 trees have been re-evaluated in spring 2010 and spring 2011. Accuracy against the initial evaluation is 89.3 percent.

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    Citation

    Auten, Steve R.; Hamey, Nadia. 2012. Damage and mortality assessment of redwood and mixed conifer forest types in Santa Cruz County following wildfire. In: Standiford, Richard B.; Weller, Theodore J.; Piirto, Douglas D.; Stuart, John D., tech. coords. Proceedings of coast redwood forests in a changing California: A symposium for scientists and managers. Gen. Tech. Rep. PSW-GTR-238. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. pp. 347-355.

    Keywords

    damage, hardwood, mortality, redwood introduction

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https://www.fs.usda.gov/treesearch/pubs/41155