Polyprion americanus: Population traits

at T = 17 °C with background hazards for embryo, larva, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model abj f_minf f_max date: 2023/12/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.245008 0.245008 0.622504 0.622504 1 1 scaled functional response
r 1/d 0 0 0.00650319 0.00154138 0.00818392 0.0018238 spec pop growth rate
t2 d NaN NaN 106.586 449.693 84.6962 380.056 population doubling time
a_b d 11.8912 11.8912 10.7161 10.7161 10.3462 10.3462 age at birth
t_j d 8.14328 8.14328 5.18023 5.18023 4.45936 4.45936 time since birth at metam
t_p d 6549.21 6549.21 1660.72 1660.72 1306.35 1306.35 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.359321 1 0.3588 1 0.358684 survival probability at metam
S_p - 1 0.268478 1 0.192626 1 0.170395 survival probability at puberty
theta_0b - 0.000368285 0.431168 0.067072 0.565623 0.0808515 0.594575 frac of ind that is embryo
theta_bj - 0.000253261 0.185595 0.030905 0.169753 0.0329397 0.158988 frac of ind between b and j
theta_jp - 0.000116563 0.0423837 0.0318962 0.0755857 0.0416829 0.0821672 frac of ind between j and p
theta_pi - 0.999262 0.340853 0.870127 0.189039 0.844526 0.16427 frac of ind that is adult
L_bi cm 5.64527 0.848393 0.755641 0.184251 0.714364 0.182265 mean structural length of post-natals
L2_bi cm^2 32.8105 3.92971 1.02704 0.150504 0.930603 0.148316 mean squared structural length of post-natals
L3_bi cm^3 192.663 22.18 2.00089 0.397408 1.76753 0.411459 mean cubed structural length of post-natals
Ww_bi g 473.777 54.5428 9.41854 1.87067 12.2937 2.86181 mean wet weight of post-natals
L_pi cm 5.64734 1.37337 0.804821 0.335429 0.770662 0.347912 mean structural length of adults
L2_pi cm^2 32.8227 6.55534 1.10076 0.339645 1.01228 0.358647 mean squared structural length of adults
L3_pi cm^3 192.735 37.015 2.14527 0.912719 1.92367 1.01494 mean cubed structural length of adults
Ww_pi g 473.952 91.0232 10.0982 4.29634 13.3796 7.05916 mean wet weight of adults
R 1/d 21.0113 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.434 0.171742 0.114101 0.0166952 0.166099 0.0264316 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.114041 0.0366905 0.0870885 0.028391 yield of living structure on food
Y_VX_d mol/mol 0.00469084 0.0127141 2.48583e-07 0.0723924 1.12829e-07 0.0560531 yield of dead structure on food
Y_EX mol/mol 0 0 0.42277 0.136019 0.518636 0.169077 yield of living reserve on food
Y_EX_d mol/mol 0.00684436 0.0185511 9.21542e-07 0.268372 6.71931e-07 0.333812 yield of dead reserve on food
Y_CX mol/mol 0.87909 0.85936 0.353813 0.377151 0.284899 0.303293 yield of CO2 on food
Y_HX mol/mol 0.632456 0.618262 0.254549 0.271339 0.204969 0.218202 yield of H2O on food
Y_OX mol/mol -0.95601 -0.934554 -0.384772 -0.410152 -0.309828 -0.329831 yield of O2 on food
Y_NX mol/mol 0.131863 0.128904 0.053072 0.0565727 0.0427349 0.0454939 yield of N-waste on food
mu_TX J/mol 466390 455940 182956 195544 143705 153689 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer