A fleet object has all the required characteristics of a fishing fleet
Methods
Method new()
Usage
Metier$new(
critter = NA,
price = 10,
sel_form = "logistic",
sel_unit = "p_of_mat",
sel_start = 1,
sel_delta = 0.1,
catchability = 0.2,
spatial_catchability = NA,
p_explt = 1
)