Calculates the annual reproductive success.

spawn_success(
  escapement,
  adult_prespawn_survival,
  egg_to_fry_survival,
  prob_scour,
  spawn_habitat,
  stochastic,
  sex_ratio = springRunDSM::params$spawn_success_sex_ratio,
  redd_size = springRunDSM::params$spawn_success_redd_size,
  fecundity = springRunDSM::params$spawn_success_fecundity
)

Source

IP-117068

Arguments

escapement

The number of returning adults

adult_prespawn_survival

The adult prespawn survival rate

egg_to_fry_survival

The egg to fry survival rate

prob_scour

The probability of nest scouring

spawn_habitat

The available spawning habitat in square meters

stochastic

TRUE FALSE value indicating if model is being run stochastically

sex_ratio

The female to male spawning ratio

redd_size

The size of redds including defensible space

fecundity

The number of eggs per female