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Type: Conference Paper
Author(s): G. P. Kershaw; Jill A. Smith; C. Stewart Brown
Editor(s): R. Todd Engstrom; Krista E. M. Galley; William J. de Groot
Publication Date: 2004

This study was designed to quantify the short-term resprouting success of the dominant deciduous shrub, little tree willow (Salix arbusculoides), in a subarctic forest following wildfire. The research site was in the central Mackenzie Valley, Northwest Territories, in a 300-year-old Picea mariana-dominated upland forest. An exploration seismic line, simulated transport corridor, and wildfire resulted in the removal of aboveground portions of S. arbusculoides. Resprouting occurred from buried root crowns. Current annual shoot and leaf morphology were measured at 1 and 3 growing seasons after mechanical denuding and 2 and 3 growing seasons after wildfire. The main differences among treatments were the increase in number of shoots and leaf size after denuding when compared with undisturbed forest samples. Based on shoot length and leaf area estimates, we predicted there would be more forage available for resident herbivores even during the first growing season after initial denuding. If increased forage availability is a desirable management objective, then denuding by mechanical or burning methods can help increase S. arbusculoides. © 2004, Tall Timbers Research, Inc.

Citation: Kershaw, G. P., J. A. Smith, and C. S. Brown. 2004. Shrub response to wildfire in upland subarctic forests, in Engstrom, R. T., Galley, K. E. M., and de Groot, W. J., Proceedings 22nd Tall Timbers Fire Ecology Conference: Fire in temperate, boreal, and montane ecosystems. Kananaskis Village, Alberta, Canada. Tall Timbers Research, Inc.,Edmonton, Alberts, Canada [Imperial Printing Ltd.]. p. 266-271,

Cataloging Information

Topics:
Regions:
Alaska    California    Eastern    Great Basin    Hawaii    Northern Rockies    Northwest    Rocky Mountain    Southern    Southwest    International    National
Keywords:
  • Alces alces
  • Canada
  • coniferous forests
  • crowns
  • cutting
  • deciduous plants
  • diameter classes
  • fire management
  • firebreaks
  • forage
  • herbivory
  • leaves
  • Lepus americanus
  • little tree willow
  • Northwest Territories
  • Northwest Territories
  • Picea
  • Picea mariana
  • pipeline
  • post fire recovery
  • Rangifer tarandus
  • resprouting
  • right-of-way
  • roads
  • Salix
  • Salix arbusculoides
  • Salix arbusculoides
  • sampling
  • seismic line
  • shrub resprouting
  • site treatments
  • statistical analysis
  • subarctic
  • transport corridor
  • wildfire
  • wildfires
  • wildlife food plants
  • wildlife habitat management
Tall Timbers Record Number: 17569Location Status: In-fileCall Number: Tall Timbers shelfAbstract Status: Fair use, Okay, Reproduced by permission
Record Last Modified:
Record Maintained By: FRAMES Staff (https://www.frames.gov/contact)
FRAMES Record Number: 42489

This bibliographic record was either created or modified by Tall Timbers and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of Tall Timbers.