Otospermophilus beecheyi: Population traits

at T = 35.6 °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: 2026/06/14
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - NaN NaN NaN NaN 1 1 scaled functional response
r 1/d 0 0 NaN NaN 0.00469141 0.00109721 spec pop growth rate
t2 d NaN NaN NaN NaN 147.748 631.736 population doubling time
a_b d NaN NaN NaN NaN 22.2176 22.2176 age at birth
t_x d NaN NaN NaN NaN 364.894 364.894 time since birth at weaning
t_p d NaN NaN NaN NaN 47.4884 47.4884 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 survival probability at birth
S_x - NaN NaN NaN NaN 1 0.378026 survival probability at weaning
S_p - NaN NaN NaN NaN 1 0.0637701 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.0989842 0.219486 frac of ind that is embryo
theta_bx - NaN NaN NaN NaN 0.0891858 0.129525 fraction of individuals that is baby
theta_xp - NaN NaN NaN NaN 0.649172 0.291774 fraction of individuals that is juvenile
theta_pi - NaN NaN NaN NaN 0.162657 0.359215 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 2.45747 2.52019 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 6.54592 7.09099 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 18.3084 21.0696 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 333.503 383.801 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 3.18792 3.1992 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 10.1631 10.235 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 32.4007 32.7447 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 590.207 596.473 mean wet weight of adults
R 1/d NaN NaN NaN NaN 0.0259838 0.0271674 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 15.8563 17.1766 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.00541692 0.00134589 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 1.74227e-08 0.00203465 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.093257 0.0231706 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 2.99948e-07 0.0350282 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.732554 0.766867 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.624761 0.654025 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.861246 -0.901587 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0593963 0.0621784 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 411254 431215 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