Description Usage Arguments Value
Calulates mean trophic level, by year, site, and transect, for a given location.
1 |
data |
A dataframe that contains at least columns of Ano, Zona (e.g. "Zona de pesca" or "Zona de no pesca"), Sitio, Transecto, GeneroEspecie, and Abundancia. A column for trophic level is optional, though heavily suggested to avoid errors in calculations (this package might not have trophic level information for all species). |
location |
A quoted string that indicates the location. |
tl |
An optional dataframe with a column for each species (called GenusSpecies) and a column for the trophic level of each species (called TL). |
size A dataframe with columns for Ano, Zona, Sitio, Transecto, GeneroEspecie, and mean trophic level (TL).
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