Rattus rattus: Population traits

at T = 38 °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 - 0.664408 0.67058 0.83529 0.83529 1 1 scaled functional response
r 1/d 0 0 0.0107627 0.00324929 0.0168273 0.00460199 spec pop growth rate
t2 d NaN NaN 64.4028 213.323 41.1919 150.619 population doubling time
a_b d 11.1187 11.1187 11.1187 11.1187 11.1187 11.1187 age at birth
t_x d 556.642 388.384 121.834 121.834 89.8594 89.8594 time since birth at weaning
t_p d 29.0822 28.8758 25.101 25.101 23.0864 23.0864 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.471067 1 0.417676 1 0.384819 survival probability at weaning
S_p - 0.999942 0.184363 1 0.122688 1 0.0961739 survival probability at puberty
theta_0b - 0.00302764 0.0162328 0.112785 0.192949 0.170638 0.282687 frac of ind that is embryo
theta_bx - 0.00302762 0.0108535 0.100064 0.117676 0.14152 0.163586 fraction of individuals that is baby
theta_xp - 0.148544 0.109127 0.548065 0.269225 0.50501 0.252116 fraction of individuals that is juvenile
theta_pi - 0.845401 0.863787 0.239085 0.42015 0.182832 0.301611 frac of ind that is adult
L_bi cm 0.844487 0.847584 0.883967 0.908688 0.915542 0.951111 mean structural length of post-natals
L2_bi cm^2 0.71397 0.720887 0.821365 0.876618 0.912584 1.01257 mean squared structural length of post-natals
L3_bi cm^3 0.604055 0.614349 0.788743 0.875526 0.964061 1.15176 mean cubed structural length of post-natals
Ww_bi g 38.4034 39.415 62.8394 69.7533 91.7623 109.628 mean wet weight of post-natals
L_pi cm 0.847918 0.855794 1.06159 1.06435 1.23996 1.26143 mean structural length of adults
L2_pi cm^2 0.718965 0.732383 1.12699 1.13284 1.53826 1.59174 mean squared structural length of adults
L3_pi cm^3 0.609623 0.626769 1.19645 1.20576 1.90924 2.00918 mean cubed structural length of adults
Ww_pi g 38.7574 40.2118 95.3217 96.0632 181.728 191.24 mean wet weight of adults
R 1/d 0.000322085 0.00169094 0.0399355 0.0405614 0.0763318 0.0821569 mean reproduction rate of adults
J_X g/d 5.80067 5.91127 8.3895 8.95387 11.1593 12.3819 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 0.00101186 0.000317722 0.00145372 0.000428076 yield of living structure on food
Y_VX_d mol/mol 2.87043e-05 6.21178e-05 2.38542e-09 0.000402439 9.17851e-10 0.000580727 yield of dead structure on food
Y_EX mol/mol 0 0 0.0796032 0.0249952 0.136916 0.0403175 yield of living reserve on food
Y_EX_d mol/mol 0.0017962 0.00392319 1.87661e-07 0.03166 8.64461e-08 0.0546947 yield of dead reserve on food
Y_CX mol/mol 0.82214 0.820142 0.749259 0.770756 0.695836 0.735009 yield of CO2 on food
Y_HX mol/mol 0.701165 0.69946 0.639008 0.657341 0.593446 0.626854 yield of H2O on food
Y_OX mol/mol -0.96657 -0.964221 -0.880886 -0.906159 -0.818077 -0.864132 yield of O2 on food
Y_NX mol/mol 0.06666 0.066498 0.0607507 0.0624937 0.0564191 0.0595953 yield of N-waste on food
mu_TX J/mol 463365 462198 420801 433355 389586 412468 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