calc_ppr_index()
Calculate the PPR index
calc_ppr_scaled()
Scale PPR index by total primary production
calc_mtl_index()
Calculate the mean Trophic Level
calc_fogarty_index()
Calculate the Fogarty index
calc_ryther_index()
Calculate the Ryther index
plot_ppr_index()
Plot the Primary Production Required index (scaled)
plot_fogarty_index()
Plot the Fogarty index
plot_ryther_index()
Plot the Ryther index
plot_mtl_index()
Plot the mean trophic level index
explore_species_composition()
Explores species composition based on landings
Functions used that aid in the creation of the indices.
get_trophic_level()
Obtain trophic level data from rfishbase
select_top_x_percent()
Select species in top x of landings
select_troph()
Combine trophic level data
capitalize_first_letter()
Capitalize first letter of string