Microcarbo africanus: Population traits

at T = 40.6 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2023/10/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.950927 0.950927 0.971217 0.971217 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0034248 0.0034248 0.000343056 0.000343056 spec pop growth rate
t2 d NaN NaN NaN NaN 202.39 202.39 2020.51 2020.51 population doubling time
a_b d 10.8766 10.8549 10.862 10.8408 10.8423 10.8217 10.8423 10.8217 age at birth
t_p d 222.716 122.639 135.422 106.395 107.82 92.785 107.82 92.785 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.399746 0.39442 1 1 0.394808 0.389674 survival probability at puberty
theta_0b - 0.00218105 0.00213728 0.0238275 0.0247693 0.036462 0.0363935 0.050474 0.0528738 frac of ind that is embryo
theta_bp - 0.00218097 0.0021372 0.0147443 0.0152295 0.0351315 0.0350679 0.0309421 0.0322127 fraction of individuals that is juvenile
theta_pi - 0.995638 0.995726 0.961428 0.960001 0.928406 0.928539 0.918584 0.914913 frac of ind that is adult
L_bi cm 3.62493 3.74065 3.65487 3.76836 3.50986 3.60996 3.68172 3.79013 mean structural length of post-natals
L2_bi cm^2 13.164 14.0188 13.4746 14.3335 12.6812 13.4348 13.8183 14.6672 mean squared structural length of post-natals
L3_bi cm^3 47.8519 52.5906 49.873 54.7457 46.5717 50.8556 52.3168 57.2876 mean cubed structural length of post-natals
Ww_bi g 409.029 462.255 434.337 490.297 416.226 467.448 467.573 526.569 mean wet weight of post-natals
L_pi cm 3.62971 3.74556 3.68946 3.80586 3.58769 3.69117 3.75845 3.87397 mean structural length of adults
L2_pi cm^2 13.1882 14.0443 13.6506 14.5291 13.0799 13.8603 14.2161 15.1124 mean squared structural length of adults
L3_pi cm^3 47.9498 52.6966 50.5936 55.5678 48.212 52.6526 53.9808 59.2006 mean cubed structural length of adults
Ww_pi g 409.866 463.186 440.613 497.66 430.886 483.966 482.444 544.153 mean wet weight of adults
R 1/d 0 0.00633618 0.00349854 0.0101307 0.00050167 0.0063833 0.00804907 0.0147605 mean reproduction rate of adults
J_X g/d 43.7902 48.128 45.7797 50.2586 44.3613 48.5033 48.3388 52.9527 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 0.00359545 0.00359089 0.000371287 0.000371139 yield of living structure on food
Y_VX_d mol/mol 0.000222065 0.00021807 0.000541326 0.000535349 1.08181e-06 1.03606e-06 0.000774315 0.000773998 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0285383 0.0294155 0.00294703 0.00304026 yield of living reserve on food
Y_EX_d mol/mol 0.00167611 0.0016987 0.00417301 0.00425918 8.58668e-06 8.48706e-06 0.00614599 0.00634034 yield of dead reserve on food
Y_CX mol/mol 0.722091 0.722075 0.719802 0.719737 0.697516 0.696807 0.715314 0.715081 yield of CO2 on food
Y_HX mol/mol 0.768749 0.768733 0.766313 0.766243 0.742587 0.741832 0.761534 0.761286 yield of H2O on food
Y_OX mol/mol -0.9165 -0.91648 -0.913595 -0.913513 -0.885309 -0.884409 -0.907898 -0.907602 yield of O2 on food
Y_NX mol/mol 0.166636 0.166633 0.166108 0.166093 0.160965 0.160802 0.165072 0.165019 yield of N-waste on food
mu_TX J/mol 463335 463325 461828 461784 447146 446674 458871 458715 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