Ammospermophilus leucurus: Population traits

at T = 37.5 °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_minf f_max date: 2025/02/11
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.974304 0.976954 0.988477 0.988477 1 1 scaled functional response
r 1/d 0 0 0.00355078 0.000866784 0.00488184 0.00139341 spec pop growth rate
t2 d NaN NaN 195.21 799.677 141.985 497.447 population doubling time
a_b d 12.1615 12.1615 12.1615 12.1615 12.1615 12.1615 age at birth
t_x d 844.381 590.646 422.51 422.51 362.853 362.853 time since birth at weaning
t_p d 67.9981 67.8277 67.1068 67.1068 66.417 66.417 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.407371 1 0.405253 1 0.40319 survival probability at weaning
S_p - 0.997867 0.085789 0.9998 0.0838488 0.999883 0.0819697 survival probability at puberty
theta_0b - 0.00288142 0.0314363 0.0422847 0.103236 0.057652 0.145857 frac of ind that is embryo
theta_bx - 0.00288141 0.0196702 0.0404974 0.0638092 0.0543285 0.0894012 fraction of individuals that is baby
theta_xp - 0.19708 0.148072 0.703939 0.304042 0.727855 0.351367 fraction of individuals that is juvenile
theta_pi - 0.797157 0.800822 0.213279 0.528913 0.160164 0.413375 frac of ind that is adult
L_bi cm 1.9656 1.93617 1.80925 1.83423 1.76485 1.77287 mean structural length of post-natals
L2_bi cm^2 3.8739 3.79494 3.38698 3.50952 3.25709 3.34263 mean squared structural length of post-natals
L3_bi cm^3 7.6457 7.47931 6.46517 6.8513 6.17017 6.49708 mean cubed structural length of post-natals
Ww_bi g 118.607 116.321 101.658 107.73 98.0789 103.275 mean wet weight of post-natals
L_pi cm 1.98066 1.98605 2.00945 2.00947 2.03279 2.03286 mean structural length of adults
L2_pi cm^2 3.92302 3.94439 4.03791 4.03797 4.13224 4.13254 mean squared structural length of adults
L3_pi cm^3 7.77019 7.83377 8.114 8.11417 8.39999 8.40088 mean cubed structural length of adults
Ww_pi g 120.538 121.834 127.585 127.587 133.523 133.538 mean wet weight of adults
R 1/d 0.000301373 0.00322238 0.0159572 0.0159648 0.0287289 0.0287679 mean reproduction rate of adults
J_X g/d 10.568 10.3808 9.37413 9.71329 9.11974 9.35924 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 0.00244891 0.000611389 0.00330292 0.00096729 yield of living structure on food
Y_VX_d mol/mol 0.000174706 0.000417349 1.58114e-06 0.000931579 7.80242e-07 0.00138524 yield of dead structure on food
Y_EX mol/mol 0 0 0.0360578 0.0090021 0.0491992 0.0144084 yield of living reserve on food
Y_EX_d mol/mol 0.00253549 0.00607341 2.32808e-05 0.0137166 1.16222e-05 0.020634 yield of dead reserve on food
Y_CX mol/mol 0.821321 0.817824 0.788186 0.801386 0.775252 0.789238 yield of CO2 on food
Y_HX mol/mol 0.700466 0.697484 0.672207 0.683464 0.661176 0.673104 yield of H2O on food
Y_OX mol/mol -0.965607 -0.961496 -0.926652 -0.94217 -0.911445 -0.927888 yield of O2 on food
Y_NX mol/mol 0.0665936 0.0663101 0.063907 0.0649773 0.0628583 0.0639923 yield of N-waste on food
mu_TX J/mol 462894 460861 443633 451306 436114 444243 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