Pseudemys texana: Population traits

at T = 22 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2023/04/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.300903 0.300903 0.441408 0.441408 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00108968 0.00108968 5.41333e-05 5.41333e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 636.1 636.1 12804.5 12804.5 population doubling time
a_b d 145.068 148.554 137.007 140.009 124.062 126.008 124.062 126.008 age at birth
t_p d 5288.77 NaN 1808.65 3539.7 838.878 1137.89 838.878 1137.89 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999999 0.516631 0.548548 0.999999 0.999999 0.385552 0.404436 survival probability at puberty
theta_0b - 0.00486343 0.00524731 0.0929878 0.0783552 0.126421 0.128271 0.296418 0.270883 frac of ind that is embryo
theta_bp - 0.00486697 0.00525154 0.0665335 0.0577773 0.110468 0.111849 0.182169 0.170446 fraction of individuals that is juvenile
theta_pi - 0.99027 0.989501 0.840479 0.863867 0.763111 0.759881 0.521412 0.558671 frac of ind that is adult
L_bi cm 3.52912 3.04308 4.4574 3.94633 4.25902 3.93564 5.45774 5.21148 mean structural length of post-natals
L2_bi cm^2 12.595 9.3532 22.0114 16.8937 23.9564 20.0278 48.7025 41.2956 mean squared structural length of post-natals
L3_bi cm^3 45.2178 28.9087 112.986 74.7734 161.456 120.732 516.452 380.611 mean cubed structural length of post-natals
Ww_bi g 68.1899 41.5516 197.188 122.745 434.052 296.208 1388.4 933.8 mean wet weight of post-natals
L_pi cm 3.54091 3.05335 4.71812 4.13363 4.68812 4.32725 6.92666 6.42357 mean structural length of adults
L2_pi cm^2 12.6507 9.3963 23.6456 17.9351 27.1772 22.7324 65.1587 53.4184 mean squared structural length of adults
L3_pi cm^3 45.4329 29.0548 121.801 79.6715 184.497 138.183 696.16 496.122 mean cubed structural length of adults
Ww_pi g 68.5142 41.7617 212.574 130.785 495.994 339.021 1871.52 1217.2 mean wet weight of adults
R 1/d 2.82695e-05 0 0.00155959 0.000258951 0.00264114 0.00163269 0.0091733 0.00656672 mean reproduction rate of adults
J_X g/d 0.231656 0.148093 0.593889 0.392384 1.46433 1.05385 2.97693 2.17296 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.120148 0.124837 0.00939129 0.00948187 yield of living structure on food
Y_VX_d mol/mol 0.00704284 0.00740842 0.0173275 0.0178544 2.36659e-05 2.85629e-05 0.0252575 0.0259246 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.202851 0.181441 0.0158558 0.0137812 yield of living reserve on food
Y_EX_d mol/mol 0.00357798 0.00324 0.0129134 0.0114545 3.99565e-05 4.15141e-05 0.0426436 0.0376795 yield of dead reserve on food
Y_CX mol/mol 0.715003 0.714981 0.699062 0.699819 0.461145 0.474725 0.64795 0.653053 yield of CO2 on food
Y_HX mol/mol 0.760226 0.760202 0.743276 0.744081 0.490311 0.50475 0.688931 0.694357 yield of H2O on food
Y_OX mol/mol -0.907504 -0.907476 -0.887271 -0.888232 -0.585299 -0.602535 -0.822398 -0.828875 yield of O2 on food
Y_NX mol/mol 0.165001 0.164996 0.161322 0.161497 0.106418 0.109552 0.149527 0.150705 yield of N-waste on food
mu_TX J/mol 458959 458962 448861 449392 295631 304906 415704 419139 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