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The sampling design at each of the 149 mechanically masticated fuel treatment study sites consisted of a 10 x 100 m plot established within the treated area at the random point generated in ArcGIS and an adjacent 10 x 100 m control plot placed one meter inside the edge of untreated vegetation to avoid edge affects. Each study plot was further subdivided into 10 100-m2 subplots with a nested 1-m2 quadrat placed along the top edge of the measurement tape. Postfire study sites consisted of a 20 x 50 m plot that was equal in area to a fuel treatment study plot and was also further subdivided into 10 100-m2 subplots with a nested 1-m2 quadrat placed along the outer top and bottom edges of the plot. Cover and density were recorded for each species within 1-m2 quadrats and a list of additional species present within the rest of the 100-m2 subplot was compiled. Ocular estimates of cover were made and density was either counted, or estimated when there were more than 30 individuals in a quadrat. First year seedlings were recorded separately from mature and resprouting individuals. Comprehensive surveys for additional species were conducted in subplots of mechanical treatments and postfire plots; whereas controls were more limited and as such total species richness in these plots was potentially underrepresented.

Resources

Name	Format	Description	Link
	55	Landing page for access to the data	https://doi.org/10.5066/F73776V9
	55	The metadata original format	https://data.usgs.gov/datacatalog/metadata/USGS.579fc27ee4b0589fa1cd569a.xml

Survey data for chaparral vegetation in masticated fuel treatments on the four southern California national forests (2011-2012)

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