accum: Split a dataframe column with binomial name into genus and species columns.
Plots change in species richness over time, generates species accumulation curve, and
compares SAC against simulated idealized curve assuming all unique taxa have equal probability
of being sampled at any point in the time series. (author Dietmar Straile)
Description
Split a dataframe column with binomial name into genus and species columns.
Plots change in species richness over time, generates species accumulation curve, and
compares SAC against simulated idealized curve assuming all unique taxa have equal probability
of being sampled at any point in the time series. (author Dietmar Straile)
a two panel plot with trends in richness on top, and cumulative richness vs. simulated
accumulation curve on bottom
Arguments
b_data
Name of data.frame object
phyto_name
Character string: field containing phytoplankton id (species, genus, etc.)
column
column name or number for field containing abundance (biomass,biovol, etc.).
Can be NA if the dataset only contains a species list for each sampling date.
n
number of simulations for randomized ideal species accumulation curve
save.pdf
TRUE/FALSE- should plots be displayed or saved to a pdf?
lakename
optional character string for adding lake name to pdf output
datename
character string name of b_data field containing date
dateformat
character string: posix format for datename column