Chinchilla lanigera: Population traits

at T = 34.7 °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 - 0.876367 0.881722 0.940861 0.940861 1 1 scaled functional response
r 1/d 0 0 0.00254883 0.000731979 0.00402734 0.00118186 spec pop growth rate
t2 d NaN NaN 271.947 946.95 172.11 586.488 population doubling time
a_b d 20.9616 20.9616 20.9616 20.9616 20.9616 20.9616 age at birth
t_x d 814.976 599.779 313.085 313.085 245.701 245.701 time since birth at weaning
t_p d 59.4889 59.1734 56.1043 56.1043 53.6395 53.6395 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.489736 1 0.471272 1 0.455394 survival probability at weaning
S_p - 1 0.185295 1 0.163515 1 0.147082 survival probability at puberty
theta_0b - 0.00202236 0.0103815 0.0520256 0.079971 0.0809548 0.128964 frac of ind that is embryo
theta_bx - 0.00202234 0.00709915 0.0493187 0.0528877 0.0744007 0.0831291 fraction of individuals that is baby
theta_xp - 0.0766054 0.0585742 0.47185 0.200536 0.502986 0.233474 fraction of individuals that is juvenile
theta_pi - 0.91935 0.923945 0.426806 0.666605 0.341659 0.554434 frac of ind that is adult
L_bi cm 3.07302 3.08049 3.05933 3.12742 3.09201 3.18383 mean structural length of post-natals
L2_bi cm^2 9.45124 9.5119 9.56013 9.98235 9.89349 10.5119 mean squared structural length of post-natals
L3_bi cm^3 29.0827 29.4107 30.2869 32.2411 32.3762 35.4483 mean cubed structural length of post-natals
Ww_bi g 379.721 386.17 422.317 449.566 477.79 523.127 mean wet weight of post-natals
L_pi cm 3.08201 3.10084 3.30782 3.3085 3.50971 3.51436 mean structural length of adults
L2_pi cm^2 9.49877 9.61521 10.9417 10.9462 12.3182 12.3508 mean squared structural length of adults
L3_pi cm^3 29.2753 29.8152 36.193 36.2155 43.2339 43.4055 mean cubed structural length of adults
Ww_pi g 382.236 391.482 504.671 504.984 638.023 640.555 mean wet weight of adults
R 1/d 0.000114149 0.000567572 0.00566265 0.00568017 0.0108316 0.0109599 mean reproduction rate of adults
J_X g/d 28.5057 28.864 30.9561 32.3233 34.0492 36.1776 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 0.00249373 0.000730118 0.00382946 0.00115804 yield of living structure on food
Y_VX_d mol/mol 9.92839e-05 0.000204896 1.01583e-11 0.000862266 3.00348e-14 0.00140046 yield of dead structure on food
Y_EX mol/mol 0 0 0.0322785 0.00945055 0.0526836 0.0159316 yield of living reserve on food
Y_EX_d mol/mol 0.00119703 0.00248544 1.31487e-10 0.0111611 4.13203e-13 0.0192668 yield of dead reserve on food
Y_CX mol/mol 0.822629 0.82134 0.791664 0.803289 0.771554 0.788903 yield of CO2 on food
Y_HX mol/mol 0.701582 0.700482 0.675173 0.685088 0.658022 0.672818 yield of H2O on food
Y_OX mol/mol -0.967145 -0.965629 -0.93074 -0.944408 -0.907097 -0.927494 yield of O2 on food
Y_NX mol/mol 0.0666997 0.0665951 0.064189 0.0651316 0.0625584 0.0639651 yield of N-waste on food
mu_TX J/mol 463655 462906 445669 452421 433977 444058 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