dBdt {ecostate} | R Documentation |
Dynamics from EcoSim
Description
Compute system of differential equations representing EcoState dynamics derived from EcoSim.
Usage
dBdt(
Time,
State,
Pars,
type_i,
n_species,
F_type = "integrated",
what = "dBdt"
)
Arguments
Time |
not used |
State |
vector of state variables to integrate |
Pars |
list of parameters governing the ODE |
type_i |
type for each taxon |
n_species |
number of species |
F_type |
whether to integrate catches along with biomass ( |
what |
what output to produce |
Details
This function has syntax designed to match pracma
solvers.
Value
An object (list) of ranges. Elements include:
- G_i
Biomass growth per time
- g_i
Biomass growth per time per biomass
- M2_i
Consumptive mortality per time
- m2_i
Consumptive mortality per time per biomass
- M_i
Natural mortality per time
- m_i
Natural mortality per time per biomass (i.e., m2_i + m0_i)
- Q_ij
Consumption per time for prey (rows) by predator (columns)