Parotomys brantsii: 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 - 0.642426 0.648807 0.824403 0.824403 1 1 scaled functional response
r 1/d 0 0 0.0080459 0.00377237 0.0139971 0.0055472 spec pop growth rate
t2 d NaN NaN 86.1491 183.743 49.5209 124.954 population doubling time
a_b d 11.701 11.701 11.701 11.701 11.701 11.701 age at birth
t_x d 415.138 341.597 101.72 101.72 69.9506 69.9506 time since birth at weaning
t_p d 87.5688 85.2163 52.6875 52.6875 41.2859 41.2859 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.74465 1 0.625289 1 0.551155 survival probability at weaning
S_p - 0.99611 0.4883 0.99996 0.312316 0.999989 0.238912 survival probability at puberty
theta_0b - 0.00535993 0.0108125 0.0898982 0.115535 0.151083 0.19626 frac of ind that is embryo
theta_bx - 0.0053599 0.0092257 0.0818205 0.0862404 0.128258 0.134706 fraction of individuals that is baby
theta_xp - 0.184624 0.154174 0.427114 0.27303 0.401813 0.25136 fraction of individuals that is juvenile
theta_pi - 0.804656 0.825788 0.401167 0.525195 0.318845 0.417674 frac of ind that is adult
L_bi cm 1.94114 1.95733 2.28169 2.31294 2.49371 2.56644 mean structural length of post-natals
L2_bi cm^2 3.76988 3.83428 5.29415 5.44496 6.46099 6.88053 mean squared structural length of post-natals
L3_bi cm^3 7.32438 7.51597 12.444 12.9862 17.2401 19.0318 mean cubed structural length of post-natals
Ww_bi g 24.662 25.4838 50.2442 52.4333 80.7634 89.1568 mean wet weight of post-natals
L_pi cm 1.94777 1.96712 2.49227 2.49565 2.96146 2.99505 mean structural length of adults
L2_pi cm^2 3.79382 3.86955 6.21153 6.22832 8.77441 8.97342 mean squared structural length of adults
L3_pi cm^3 7.38949 7.61186 15.4813 15.544 26.0095 26.894 mean cubed structural length of adults
Ww_pi g 24.8812 25.8089 62.5077 62.7607 121.845 125.989 mean wet weight of adults
R 1/d 0.000568759 0.00111808 0.0182635 0.0183878 0.037271 0.0388683 mean reproduction rate of adults
J_X g/d 4.12279 4.23485 7.42978 7.64142 10.9986 11.7128 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 0.0134759 0.00641094 0.02194 0.00901345 yield of living structure on food
Y_VX_d mol/mol 0.000825449 0.0013154 1.00216e-05 0.00550789 3.16512e-06 0.00910127 yield of dead structure on food
Y_EX mol/mol 0 0 0.0409348 0.019474 0.080841 0.0332113 yield of living reserve on food
Y_EX_d mol/mol 0.00195392 0.00314461 3.04419e-05 0.0167309 1.16623e-05 0.0335348 yield of dead reserve on food
Y_CX mol/mol 0.821257 0.819703 0.773461 0.779314 0.728742 0.745332 yield of CO2 on food
Y_HX mol/mol 0.700412 0.699086 0.659648 0.66464 0.62151 0.635658 yield of H2O on food
Y_OX mol/mol -0.965532 -0.963704 -0.909339 -0.91622 -0.856764 -0.876269 yield of O2 on food
Y_NX mol/mol 0.0665884 0.0664624 0.062713 0.0631876 0.0590872 0.0604323 yield of N-waste on food
mu_TX J/mol 462889 462004 435575 438919 409851 419360 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