Saiga tatarica: Population traits

at T = 39.5 °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 - 0.871753 0.871753 0.879357 0.879357 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00217272 0.00217272 0.000911808 0.000911808 spec pop growth rate
t2 d NaN NaN NaN NaN 319.023 319.023 760.19 760.19 population doubling time
a_b d 19.2513 NaN 19.2513 NaN 19.2513 19.2513 19.2513 19.2513 age at birth
t_x d 784.488 NaN 613.227 NaN 270.245 386.376 270.245 386.376 time since birth at weaning
t_p d 115.192 NaN 113.127 NaN 89.2327 80.7409 89.2327 80.7409 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.825215 NaN 1 1 0.786425 0.767569 survival probability at weaning
S_p - 1 NaN 0.306696 NaN 1 1 0.280283 0.225846 survival probability at puberty
theta_0b - 0.00213379 NaN 0.00660976 NaN 0.0409652 0.0409652 0.0583785 0.0641942 frac of ind that is embryo
theta_bx - 0.00213379 NaN 0.00599175 NaN 0.0392869 0.0392869 0.0507579 0.0551315 fraction of individuals that is baby
theta_xp - 0.0848176 NaN 0.0790226 NaN 0.386621 0.50551 0.277374 0.350892 fraction of individuals that is juvenile
theta_pi - 0.910915 NaN 0.908376 NaN 0.533127 0.414238 0.613489 0.529783 frac of ind that is adult
L_bi cm 25.0389 NaN 25.1226 NaN 25.2379 26.597 25.7383 27.0028 mean structural length of post-natals
L2_bi cm^2 627.938 NaN 633.224 NaN 654.791 730.136 683.008 756.525 mean squared structural length of post-natals
L3_bi cm^3 15765.3 NaN 15996.5 NaN 17345 20514.4 18519.8 21738.5 mean cubed structural length of post-natals
Ww_bi g 21951 NaN 22327.6 NaN 25151.6 30346.2 26855.2 32156.9 mean wet weight of post-natals
L_pi cm 25.2202 NaN 25.4382 NaN 28.3133 30.4664 28.6039 30.6331 mean structural length of adults
L2_pi cm^2 636.058 NaN 647.102 NaN 802.144 928.35 818.523 938.485 mean squared structural length of adults
L3_pi cm^3 16041.5 NaN 16461.1 NaN 22739.3 28292.5 23432 28754.6 mean cubed structural length of adults
Ww_pi g 22335.5 NaN 22976 NaN 32973.7 41852 33978.2 42535.7 mean wet weight of adults
R 1/d 0.000122733 NaN 0.000396024 NaN 0.00456591 0.00315422 0.00490152 0.00337406 mean reproduction rate of adults
J_X g/d 703.54 NaN 715.65 NaN 841.552 999.238 877.817 1035.35 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 0.0447813 0.044606 0.0192369 0.0191445 yield of living structure on food
Y_VX_d mol/mol 0.00253292 NaN 0.00457106 NaN 1.09068e-07 5.15733e-08 0.0187731 0.0197557 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.020155 0.021378 0.0086581 0.00917525 yield of living reserve on food
Y_EX_d mol/mol 0.000993805 NaN 0.00180912 NaN 4.90889e-08 2.47171e-08 0.00844933 0.00946818 yield of dead reserve on food
Y_CX mol/mol 0.820566 NaN 0.817926 NaN 0.763762 0.762793 0.772844 0.7706 yield of CO2 on food
Y_HX mol/mol 0.699822 NaN 0.697571 NaN 0.651377 0.65055 0.659123 0.657209 yield of H2O on food
Y_OX mol/mol -0.964719 NaN -0.961616 NaN -0.897936 -0.896797 -0.908614 -0.905976 yield of O2 on food
Y_NX mol/mol 0.0665324 NaN 0.0663184 NaN 0.0619266 0.0618481 0.0626631 0.0624811 yield of N-waste on food
mu_TX J/mol 462570 NaN 461129 NaN 431469 430894 436441 435173 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