Ammospermophilus harrisii: 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.949559 0.956056 0.978028 0.978028 1 1 scaled functional response
r 1/d 0 0 0.00319824 0.000739025 0.00445605 0.00119912 spec pop growth rate
t2 d NaN NaN 216.728 937.922 155.552 578.045 population doubling time
a_b d 17.5541 17.5541 17.5541 17.5541 17.5541 17.5541 age at birth
t_x d 751.631 519.435 375.75 375.75 320.665 320.665 time since birth at weaning
t_p d 53.3654 53.1225 52.3393 52.3393 51.6111 51.6111 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.421817 1 0.417259 1 0.412933 survival probability at weaning
S_p - 0.997908 0.106012 0.99981 0.101572 0.999893 0.0976053 survival probability at puberty
theta_0b - 0.00430219 0.0376213 0.0546496 0.108104 0.0752652 0.153331 frac of ind that is embryo
theta_bx - 0.00430216 0.023914 0.0516656 0.067539 0.0696017 0.0946056 fraction of individuals that is baby
theta_xp - 0.17982 0.136315 0.610116 0.253664 0.633821 0.292679 fraction of individuals that is juvenile
theta_pi - 0.811575 0.80215 0.283568 0.570693 0.221312 0.459384 frac of ind that is adult
L_bi cm 1.80677 1.78446 1.6743 1.71661 1.63968 1.67552 mean structural length of post-natals
L2_bi cm^2 3.27479 3.22553 2.90379 3.06381 2.81767 2.97372 mean squared structural length of post-natals
L3_bi cm^3 5.94611 5.8669 5.14347 5.57779 4.98344 5.4398 mean cubed structural length of post-natals
Ww_bi g 101.147 100.442 89.9627 97.5592 89.0098 97.161 mean wet weight of post-natals
L_pi cm 1.8242 1.83668 1.87852 1.87878 1.91968 1.92063 mean structural length of adults
L2_pi cm^2 3.3277 3.37338 3.52885 3.52982 3.68518 3.68882 mean squared structural length of adults
L3_pi cm^3 6.07038 6.19581 6.62904 6.63177 7.07438 7.08487 mean cubed structural length of adults
Ww_pi g 103.261 106.073 115.946 115.994 126.356 126.544 mean wet weight of adults
R 1/d 0.000303232 0.00267105 0.0106712 0.0107208 0.0186273 0.0188144 mean reproduction rate of adults
J_X g/d 7.01856 6.96029 6.41001 6.76326 6.35963 6.71185 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 0.00256631 0.000609488 0.00349178 0.000971863 yield of living structure on food
Y_VX_d mol/mol 0.000212885 0.000493779 3.43659e-06 0.00094326 1.67644e-06 0.00136694 yield of dead structure on food
Y_EX mol/mol 0 0 0.0423201 0.0100508 0.0588754 0.0163867 yield of living reserve on food
Y_EX_d mol/mol 0.00340843 0.00795981 5.66717e-05 0.015555 2.82667e-05 0.0230481 yield of dead reserve on food
Y_CX mol/mol 0.820478 0.816009 0.782253 0.798706 0.766111 0.785188 yield of CO2 on food
Y_HX mol/mol 0.699747 0.695935 0.667146 0.681179 0.65338 0.669649 yield of H2O on food
Y_OX mol/mol -0.964617 -0.959361 -0.919675 -0.93902 -0.900698 -0.923126 yield of O2 on food
Y_NX mol/mol 0.0665253 0.0661629 0.0634259 0.06476 0.0621171 0.0636639 yield of N-waste on food
mu_TX J/mol 462403 459803 440170 449740 430778 441874 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