Get functional group data
pr_get_FuncGroups(Survey = "NRS", Type = "Zooplankton", ...)
dataframe for plotting functional group time series info
NRSfgz <- pr_get_FuncGroups(Survey = "NRS", Type = "Zooplankton")
NRSfgp <- pr_get_FuncGroups(Survey = "NRS", Type = "Phytoplankton")
CPRfgz <- pr_get_FuncGroups(Survey = "CPR", Type = "Zooplankton", near_dist_km = 250)
CPRfgp <- pr_get_FuncGroups(Survey = "CPR", Type = "Phytoplankton")