Influence of Wildland Fire on the Recovery of Endangered Plant Species Study Project.
Final rept. 30 Sep 94-20 Sep 95,
COLORADO STATE UNIV FORT COLLINS
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A wildfire swept through the Kipuka Kalawamauna Endangered Plants Habitat Area KKEPHA at the Pohakuloa Training Area, Hawaii on 25 through 27 July 1994. About 65 of the area burned. The fire potentially could have impacted rare plant species Haplostachys haplostachya, Silene hawatiensis, Silene lanceolata, Stenogyne angustifolia, Teframolopium arenarium, and Zanthoxylum hawatiense within the KKEPHA as well as native plant communities which serve as habitat for the taxa. A study was began to determine the impacts of the wildfire on the species and the vegetation. Existing vegetation plots established prior to the fire were used as preburn controls and monitored 6 months and 1 year following the fire. Standardized U.S. Army Land Condition- Trend Analysis Program LCTA methods were used. Recovery of rare plant populations was monitored at 1 month, 6 months, and 1 year following the fire. Photographic records were used to document recover. The fire significantly reduced above ground density, basal cover, and acrial cover of shrubs and herbaceous plants. Silene lanceolata, Tetramolopium arenartum, and Zanthoxylum hawatiense were killed by the fire while, Haplostachys haplostachya, Silene hawatiensis and Stenogyne angustifolta were resprouting or regenerating from seed.
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