Effects of Fire Return Rates on Traversability of Lodgepole Pine Forests for Mountain Pine Beetle and the Use of Patch Metrics to Estimate Traversability

Effects of Fire Return Rates on Traversability of Lodgepole Pine Forests for Mountain Pine Beetle and the Use of Patch Metrics to Estimate Traversability

Microform - 2006
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A Monte-Carlo simulation was used to examine the effects of fire return rates on the equilibrium age structure of a one-million hectare lodgepole pine forest. A mosaic of ages over the one million hectares was produced for each fire regime modelled. These were used to generate mosaics of susceptibilities to mountain pine beetle attack. This susceptibility is related to the age distribution to calculate the mean susceptibility of the forest. Susceptibility maps were produced for two timber supply areas in British Columbia, as well as for the whole of B.C. In addition, it defined a quality, called traversability, which describes the ability of a beetle population to disperse across a landscape according to defined rules of susceptibility and maximum distance for dispersal through unsuitable habitat. Using each of 40 combinations of susceptibility classifications and dispersal limits, the landscape was categorized as traversable or non-traversable.
Publisher: Victoria, B.C. : Pacific Forestry Centre, 2006
Description: 32 p. : ill., maps
Branch Call Number: MF BC-DOC 106-07247

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