Macrodon atricauda: Population traits

at T = 20 °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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.679889 0.679889 0.693687 0.693687 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00940436 0.00940436 0.00170284 0.00170284 spec pop growth rate
t2 d NaN NaN NaN NaN 73.7048 73.7048 407.054 407.054 population doubling time
a_b d 3.81495 3.89206 3.80264 3.87931 3.59179 3.66 3.59179 3.66 age at birth
t_j d 8.01942 8.84108 7.89509 8.69999 6.02625 6.58011 6.02625 6.58011 time since birth at metam
t_p d 5298.31 1897.63 3236.29 1781.98 1123.2 903.243 1123.2 903.243 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.377 0.405499 1 1 0.298618 0.323844 survival probability at metam
S_p - 0.999999 0.999999 0.131945 0.132085 1 1 0.131631 0.131723 survival probability at puberty
theta_0b - 0.000912394 0.000969292 0.425107 0.405233 0.0331436 0.0337633 0.492541 0.475363 frac of ind that is embryo
theta_bj - 0.000914689 0.000971732 0.27217 0.267566 0.0321161 0.032695 0.284925 0.284118 frac of ind between b and j
theta_jp - 0.00100808 0.00123563 0.107057 0.123055 0.0211591 0.0252903 0.0674669 0.0802613 frac of ind between j and p
theta_pi - 0.997165 0.996823 0.195666 0.204147 0.913581 0.908251 0.155067 0.160257 frac of ind that is adult
L_bi cm 5.41369 4.77299 0.373774 0.365317 1.19289 1.09112 0.189379 0.186934 mean structural length of post-natals
L2_bi cm^2 31.6167 24.5948 1.28489 1.11553 2.46964 2.05401 0.250222 0.229081 mean squared structural length of post-natals
L3_bi cm^3 189.957 130.427 7.08229 5.42158 6.91559 5.21504 1.02616 0.846728 mean cubed structural length of post-natals
Ww_bi g 266.068 176.625 9.9776 7.38089 10.9911 7.93191 1.6309 1.28785 mean wet weight of post-natals
L_pi cm 5.42397 4.78338 0.959804 0.927715 1.25782 1.1557 0.457493 0.449656 mean structural length of adults
L2_pi cm^2 31.6777 24.6493 3.76495 3.23991 2.61327 2.18472 0.806863 0.737951 mean squared structural length of adults
L3_pi cm^3 190.323 130.716 20.808 15.7946 7.31884 5.54795 3.35719 2.77103 mean cubed structural length of adults
Ww_pi g 266.581 177.016 29.3145 21.5026 11.632 8.43825 5.33568 4.21464 mean wet weight of adults
R 1/d 0 20.2263 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 2.00323 1.37707 0.0829993 0.0636708 0.230337 0.169309 0.0232356 0.0187929 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.282355 0.289671 0.0752025 0.0767224 yield of living structure on food
Y_VX_d mol/mol 0.0312062 0.0325727 0.0719581 0.0749944 0.000102829 0.000119323 0.153773 0.157322 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.1664 0.15091 0.0443189 0.03997 yield of living reserve on food
Y_EX_d mol/mol 0.0125036 0.0115373 0.0294171 0.0271022 6.06001e-05 6.21636e-05 0.0906228 0.0819598 yield of dead reserve on food
Y_CX mol/mol 0.846915 0.846515 0.78925 0.788528 0.441707 0.449862 0.526708 0.534651 yield of CO2 on food
Y_HX mol/mol 0.609308 0.609021 0.567821 0.567302 0.317784 0.323651 0.378937 0.384652 yield of H2O on food
Y_OX mol/mol -0.92102 -0.920585 -0.858309 -0.857525 -0.480356 -0.489225 -0.572794 -0.581433 yield of O2 on food
Y_NX mol/mol 0.127037 0.126977 0.118387 0.118279 0.066256 0.0674794 0.0790061 0.0801976 yield of N-waste on food
mu_TX J/mol 450020 449868 420342 420097 239718 244570 283794 288416 yield of heat on food

Remarks

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