This function calculates the proportion of wintering species within a functional group and OSPAR region, whose latest six year relative abundance mean is above the threshold for that species. The threshold is 0.7 for species laying more than one egg and 0.8 for species laying one egg.

latest_proportion_wintering_species_above_threshold(
  latest.dat,
  region,
  functional_group
)

Arguments

latest.dat

data frame containing the latest six year mean relative abundance value for each species

region

OSPAR region label, one of "I", "II", "III", "IV", "V"

functional_group

species functional group, one of "All Feeders", "Wading Feeder", "Surface Feeder", "Water Column Feeder", "Benthic Feeder", "Grazing Feeder"

Value

list containing ospar region label, count flag, functional group, total number of species, total number of species above threshold, percentage of species above threshold

See also

Other latest proportion above threshold: latest_proportion_breeding_species_above_threshold()