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Recolonization and growth of Bishop Pine (Pinus muricata) following stand-replacement fires
11:00 AM - 11:20 AM
Tue Nov 28, 2017
Sabal E


Authors: Maurica P. Zimmerman; Christopher A. Dicus

This research examines how stand-replacement fires impact colonization and subsequent growth of serotinous Bishop pine (Pinus muricata) on the central coast of California, which is in the understudied southern portion of the species’ natural range. Stand-replacement fire has been prescribed by local land managers as a means to regenerate the species in overmature, disjunct stands there, but there has been no quantifiable means to justify such an approach, which could have unintended, negative consequences. Seedling count and growth was tracked in four recent, distinct fires (all <10 years). Analysis of variance was utilized to determine if various environmental parameters and fire year influenced post-fire colonization. Multiple regression equations were developed to determine the extent that various factors (e.g., fire, pre-fire stand density, aspect, rainfall, etc.) influence Bishop pine seedling count and growth. It is intended that this project will aid resource managers in determining the best management practices to facilitate long-term sustainability and resource protection of rare and isolated Bishop pine stands in the southern portion of its range while simultaneously reducing risk of damaging wildfires.

Maurica Zimmerman
Cal Poly, San Luis Obispo

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