Make a single (numeric, proportion) cover column from different sorts of input cover

Assumes a numeric (percentage) cover column called 'cover' and character column called 'cover_code' that is the modified Braun-Blanquet (Braun-Blanquet 1932) cover value using Biological Databases of South Australia codes (COVCODE field in BDBSA). Example of lucov at envEcosystems::lucover.

Usage

make_cover(
  df,
  taxa_col = "taxa",
  context = NULL,
  lucov,
  cov_type = "cover_mid"
)

Arguments

df

Dataframe containing columns to consolidate.

taxa_col

Character. Name of column containing taxa.

context

Character. Name of columns defining the context.

lucov

Dataframe. Lookup from cover_code to numeric cover values.

cov_type

Character. Name of column in lucov that is used to convert character cover_code to numeric values.

Value

Dataframe with consolidated use_cover column.

References

Braun-Blanquet J (1932). Plant sociology. The study of plant communities., 1st edition. McGraw-Hill Book Co.