Dicrostonyx groenlandicus: Population traits

at T = 38.4 °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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.549435 0.549435 0.550484 0.550484 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0267832 0.0267832 0.0102708 0.0102708 spec pop growth rate
t2 d NaN NaN NaN NaN 25.8799 25.8799 67.4869 67.4869 population doubling time
a_b d 5.17124 NaN 5.17124 NaN 5.17124 5.17124 5.17124 5.17124 age at birth
t_x d 487.678 NaN 435.577 NaN 39.9669 75.0085 39.9669 75.0085 time since birth at weaning
t_p d 39.7154 NaN 39.547 NaN 16.6626 15.8656 16.6626 15.8656 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.8666 NaN 1 1 0.62457 0.607699 survival probability at weaning
S_p - 1 NaN 0.587748 NaN 1 1 0.224553 0.170263 survival probability at puberty
theta_0b - 0.00085229 NaN 0.00144983 NaN 0.129339 0.129339 0.172232 0.182283 frac of ind that is embryo
theta_bx - 0.000852286 NaN 0.00134518 NaN 0.11261 0.11261 0.128258 0.133878 fraction of individuals that is baby
theta_xp - 0.0795233 NaN 0.0721686 NaN 0.459538 0.641271 0.308709 0.43242 fraction of individuals that is juvenile
theta_pi - 0.918772 NaN 0.925036 NaN 0.298512 0.116779 0.390801 0.251419 frac of ind that is adult
L_bi cm 1.63676 NaN 1.63952 NaN 2.30672 2.39073 2.38607 2.45959 mean structural length of post-natals
L2_bi cm^2 2.67921 NaN 2.68835 NaN 5.58852 6.03407 6.0374 6.46827 mean squared structural length of post-natals
L3_bi cm^3 4.38589 NaN 4.40855 NaN 14.0705 15.8817 15.9402 17.8442 mean cubed structural length of post-natals
Ww_bi g 7.48263 NaN 7.52723 NaN 32.1523 37.3706 36.4246 41.9884 mean wet weight of post-natals
L_pi cm 1.63792 NaN 1.64105 NaN 2.85345 3.10308 2.91108 3.12027 mean structural length of adults
L2_pi cm^2 2.68278 NaN 2.69303 NaN 8.15175 9.62982 8.48256 9.7367 mean squared structural length of adults
L3_pi cm^3 4.39419 NaN 4.41939 NaN 23.3149 29.8866 24.7401 30.3848 mean cubed structural length of adults
Ww_pi g 7.49679 NaN 7.54574 NaN 53.2765 70.325 56.533 71.4974 mean wet weight of adults
R 1/d 0.00018122 NaN 0.000307326 NaN 0.0781177 0.0738532 0.0829808 0.0755051 mean reproduction rate of adults
J_X g/d 1.80805 NaN 1.81767 NaN 6.8641 7.80341 7.41544 8.36492 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0549022 0.0545099 0.0220781 0.0219099 yield of living structure on food
Y_VX_d mol/mol 0.000400894 NaN 0.000588478 NaN 2.94009e-14 1.98396e-14 0.0231155 0.0238361 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0705537 0.0737552 0.0283722 0.0296455 yield of living reserve on food
Y_EX_d mol/mol 0.000283059 NaN 0.000416299 NaN 3.77825e-14 2.68442e-14 0.0297052 0.0322517 yield of dead reserve on food
Y_CX mol/mol 0.823195 NaN 0.822899 NaN 0.707781 0.705183 0.728302 0.724258 yield of CO2 on food
Y_HX mol/mol 0.702065 NaN 0.701812 NaN 0.603633 0.601417 0.621135 0.617686 yield of H2O on food
Y_OX mol/mol -0.967811 NaN -0.967462 NaN -0.832121 -0.829066 -0.856247 -0.851493 yield of O2 on food
Y_NX mol/mol 0.0667456 NaN 0.0667215 NaN 0.0573877 0.057177 0.0590515 0.0587236 yield of N-waste on food
mu_TX J/mol 464001 NaN 463837 NaN 399243 397704 410756 408419 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer