Anguilla migration at the Arzal station (report_mig_mult-class)
This data corresponds to data collected from three fishways and correspond to the migration station at Arzal (Vilaine estuary, France) in 2011 for three continental stages of eel (Anguilla anguilla) : glass eel, yellow eel and silver eel.
An object of class report_mig_mult with slots:
ref_dcobject filled with data
ref_taxaobject filled in with data corresponding to dc
ref_stageobject filled in with data corresponding to dc, and taxa
ref_timestep_dailycalculated for all 2011
A dataframe with 400 rows and 11 variables
either effectif (number) or poids (weights)
destination of the fishes
method of data collection, measured, calculated...
slot to be filled with the calcule method
A data frame with 364 observations with daily coefficients to convert from weight to numbers
A time sequence generated for the report, used internally by the object