Darlene Southworth

Contact Info

Department of Biology
Southern Oregon University
1250 Siskiyou Boulevard
Ashland , OR 97520, United States

Publications in Fire Ecology

Prescribed Fire and Post-Fire Seeding in Brush Masticated Oak-Chaparral: Consequences for Native and Non-Native Plants
Pages: 60-75
DOI: 10.4996/fireecology.0602060

In fire-suppressed oak-chaparral communities, land managers have treated thousands of hectares by mechanical mastication to reduce hazardous fuels in areas of wildland-urban interface. The chipped debris, which decomposes slowly, can be burned to minimize wildfire hazard. The question is whether controlled burning of masticated debris results in loss of native plant species richness and abundance, allowing for gains in non-native species. We examined the response of vegetation to the seasonality of prescribed fire and to post-fire seeding in mechanically masticated oak-chaparral communities in the Applegate Valley of southwestern Oregon, USA.  [Read More]

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Minimal Persistence of Native Bunchgrasses Seven Years after Seeding following Mastication and Prescribed Fire in Southwestern Oregon, USA
Pages: 63-71
DOI: 10.4996/fireecology.1003063

Seeding of native grasses is widely used to restore plant communities and prevent establishment of introduced species following wildfire and prescribed burns. However, there is a lack of long-term data to evaluate the success of native grass seeding. Here, in the interior valley shrublands of southwestern Oregon, we resurveyed plots that had been masticated and burned, and then seeded with bunchgrasses seven years previously. The prescribed fires had resulted in bare ground that increased opportunities for bunchgrass germination as well as for invasion by introduced plants.  [Read More]

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