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Vascular plant species richness for American ecoregions as defined in Ecoregions 2017.

Usage

data(plants_df)

Format

A data frame with 227 rows and 22 columns:

  • ecoregion_id: Ecoregion identifier.

  • x: Longitude in degrees (WGS84).

  • y: Latitude in degrees (WGS84).

  • richness_species_vascular: Number of vascular plant species (response variable).

  • bias_area_km2: Ecoregion area in square kilometers.

  • bias_species_per_record: Species count divided by GBIF spatial records (sampling bias metric).

  • climate_aridity_index_average: Average aridity index.

  • climate_hypervolume: Climatic envelope volume computed with hypervolume.

  • climate_velocity_lgm_average: Average climate velocity since the Last Glacial Maximum.

  • neighbors_count: Number of immediate neighbors (connectivity metric).

  • neighbors_percent_shared_edge: Percentage of shared edge with neighbors (connectivity metric).

  • human_population_density: Human population density.

  • topography_elevation_average: Average elevation.

  • landcover_herbs_percent_average: Average herb cover from MODIS Vegetation Continuous Fields.

  • fragmentation_cohesion: Cohesion index computed with landscapemetrics.

  • fragmentation_division: Division index computed with landscapemetrics.

  • neighbors_area: Total area of immediate neighbors.

  • human_population: Total human population.

  • human_footprint_average: Average human footprint index.

  • climate_bio1_average: Average mean annual temperature.

  • climate_bio15_minimum: Minimum precipitation seasonality.