Micaelamys namaquensis: Population traits

at T = 36.8 °C with background hazards for embryo, baby, 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 stx f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.581489 0.606617 0.803308 0.803308 1 1 scaled functional response
r 1/d 0 0 0.00557227 0.00167111 0.00919531 0.00230032 spec pop growth rate
t2 d NaN NaN 124.392 414.784 75.3805 301.326 population doubling time
a_b d 15.9169 15.9169 15.9169 15.9169 15.9169 15.9169 age at birth
t_x d 303.938 216.4 92.8951 92.8951 69.5874 69.5874 time since birth at weaning
t_p d 37.8482 35.9666 27.8811 27.8811 24.4106 24.4106 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 0.999999 0.642801 0.999999 0.524839 0.999999 0.460394 survival probability at weaning
S_p - 0.997746 0.387538 0.999959 0.243833 0.999985 0.19346 survival probability at puberty
theta_0b - 0.00822502 0.0206433 0.0850904 0.104834 0.136215 0.175685 frac of ind that is embryo
theta_bx - 0.00822497 0.0162368 0.077868 0.0724525 0.117668 0.112716 fraction of individuals that is baby
theta_xp - 0.148748 0.109006 0.292849 0.14652 0.290803 0.146636 fraction of individuals that is juvenile
theta_pi - 0.834802 0.854114 0.544193 0.676194 0.455315 0.564962 frac of ind that is adult
L_bi cm 0.942406 0.97908 1.18563 1.22115 1.32346 1.40694 mean structural length of post-natals
L2_bi cm^2 0.888945 0.960525 1.43744 1.5222 1.8406 2.08241 mean squared structural length of post-natals
L3_bi cm^3 0.839112 0.943722 1.77066 1.92317 2.65083 3.17917 mean cubed structural length of post-natals
Ww_bi g 5.83853 6.80938 16.3445 17.7524 29.8115 35.7533 mean wet weight of post-natals
L_pi cm 0.947478 0.988416 1.29774 1.30455 1.55987 1.6027 mean structural length of adults
L2_pi cm^2 0.897715 0.976967 1.68438 1.70198 2.4378 2.57131 mean squared structural length of adults
L3_pi cm^3 0.850565 0.965649 2.18655 2.22064 3.81675 4.12928 mean cubed structural length of adults
Ww_pi g 5.91822 6.9676 20.1836 20.4982 42.9235 46.4383 mean wet weight of adults
R 1/d 0.000618389 0.00151709 0.00939292 0.00961017 0.0174524 0.0191806 mean reproduction rate of adults
J_X g/d 0.804418 0.906752 1.79695 1.90291 2.86435 3.24065 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 0.00549072 0.0016889 0.00850986 0.00225669 yield of living structure on food
Y_VX_d mol/mol 0.000550915 0.000959245 1.9274e-05 0.00202365 6.90909e-06 0.00290612 yield of dead structure on food
Y_EX mol/mol 0 0 0.0451928 0.013901 0.0871928 0.0231222 yield of living reserve on food
Y_EX_d mol/mol 0.00328235 0.00596214 0.00015864 0.0166562 7.07912e-05 0.0297763 yield of dead reserve on food
Y_CX mol/mol 0.820282 0.817426 0.776781 0.792129 0.735231 0.770121 yield of CO2 on food
Y_HX mol/mol 0.69958 0.697144 0.66248 0.675569 0.627044 0.6568 yield of H2O on food
Y_OX mol/mol -0.964386 -0.961028 -0.913243 -0.931286 -0.864394 -0.905413 yield of O2 on food
Y_NX mol/mol 0.0665094 0.0662778 0.0629823 0.0642266 0.0596133 0.0624423 yield of N-waste on food
mu_TX J/mol 462305 460655 437118 446002 412974 433206 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