Quick Reference for Data Entry

VARIABLES

“Refuge” – the full name of the refuge

“Region” –the abbreviation for your region

“School” –your college or university

“Entered_By” – your initials

“Refuge Area” – area of the refuge from the Invasive Species Survey, in hectares (not acres)

“Max_elev” – maximum elevation from the Invasive Species Survey, in meters

“Min_elev” – minimum elevation from the Invasive Species Survey, in meters

“Elev_range” – range in elevations, maximum minus minimum elevation, in meters

“Habitats_broad” – habitat richness, i.e. the number of habitats, using the broad-scale classification

“Habitats_fine” – habitat richess, i.e. the number of habitats, using the fine-scale classification

“Evenness_broad”- habitat evenness, simpson’s index, using the broad-scale classification

“Evenness_fine” – habitat evenness, simpson’s index, using the fine-scale classification

“Native_spp” – the number of native plant species in the Refuge, from the refuge website or sent to you by the refuge manager

“Exotic_spp” – the total number of exotic plant species (not just problem invaders), from the refuge website or sent to you by the refuge manager

“Invasive_spp” – the number of problem invasive species from the Invasive Species Survey, or from follow-up information from refuge contacts

“Invasive pool” – the total number of exotic plant species in the county in which the refuge is located, from the Biota of North America Program

“Quality_score” – the data quality score for the refuge, calculated from the attached weighting scheme