Cavia tschudii: Population traits

at T = 39 °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: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.556761 0.559006 0.779503 0.779503 1 1 scaled functional response
r 1/d 0 0 0.00756348 0.00347929 0.0128081 0.00499309 spec pop growth rate
t2 d NaN NaN 91.644 199.221 54.1179 138.821 population doubling time
a_b d 17.0295 17.0295 17.0295 17.0295 17.0295 17.0295 age at birth
t_x d 471.222 411.995 97.5562 97.5562 67.8253 67.8253 time since birth at weaning
t_p d 29.7225 29.5638 20.5457 20.5457 16.7697 16.7697 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.839945 1 0.6947 1 0.605306 survival probability at weaning
S_p - 0.999993 0.540294 1 0.352049 1 0.294921 survival probability at puberty
theta_0b - 0.0026533 0.0049087 0.120853 0.143912 0.195968 0.235006 frac of ind that is embryo
theta_bx - 0.00265328 0.00447977 0.106247 0.112391 0.157564 0.166979 fraction of individuals that is baby
theta_xp - 0.0707655 0.0657395 0.352551 0.255496 0.309184 0.224749 fraction of individuals that is juvenile
theta_pi - 0.923928 0.924872 0.42035 0.488201 0.337284 0.373267 frac of ind that is adult
L_bi cm 4.47687 4.49083 5.27721 5.41039 5.70562 5.94638 mean structural length of post-natals
L2_bi cm^2 20.0486 20.1771 28.6363 30.1914 34.4439 37.9446 mean squared structural length of post-natals
L3_bi cm^3 89.8057 90.6902 158.998 172.599 218.051 255.898 mean cubed structural length of post-natals
Ww_bi g 165.366 167.302 346.295 375.916 547.568 642.609 mean wet weight of post-natals
L_pi cm 4.4876 4.50569 6.04524 6.13729 7.08691 7.41978 mean structural length of adults
L2_pi cm^2 20.1386 20.3013 36.5889 37.7035 50.5472 55.4228 mean squared structural length of adults
L3_pi cm^3 90.3739 91.4713 221.715 231.844 362.798 416.563 mean cubed structural length of adults
Ww_pi g 166.412 168.743 482.889 504.95 911.053 1046.07 mean wet weight of adults
R 1/d 0.000168365 0.000311237 0.0158203 0.0168022 0.0305325 0.0354209 mean reproduction rate of adults
J_X g/d 12.885 13.0199 25.767 27.1664 39.7597 43.8006 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 0.0466713 0.0221053 0.0702426 0.0291714 yield of living structure on food
Y_VX_d mol/mol 0.00109571 0.00168179 8.0932e-08 0.0186071 2.95854e-08 0.029708 yield of dead structure on food
Y_EX mol/mol 0 0 0.0549777 0.0260395 0.10615 0.0440835 yield of living reserve on food
Y_EX_d mol/mol 0.0009219 0.00142072 9.5336e-08 0.0219187 4.47092e-08 0.0448943 yield of dead reserve on food
Y_CX mol/mol 0.821962 0.820958 0.729803 0.741808 0.660665 0.68706 yield of CO2 on food
Y_HX mol/mol 0.701012 0.700157 0.622414 0.632653 0.56345 0.585961 yield of H2O on food
Y_OX mol/mol -0.966361 -0.965181 -0.858011 -0.872126 -0.776728 -0.80776 yield of O2 on food
Y_NX mol/mol 0.0666456 0.0665642 0.0591732 0.0601466 0.0535674 0.0557076 yield of N-waste on food
mu_TX J/mol 463314 462757 411707 418429 372461 387326 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