Python sebae: Population traits

at T = 27 °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_minf f_max date: 2025/07/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.67969 0.702717 0.851358 0.851358 1 1 scaled functional response
r 1/d 0 0 0.00153036 0.000286496 0.00194185 0.000382448 spec pop growth rate
t2 d NaN NaN 452.931 2419.4 356.952 1812.4 population doubling time
a_b d 118.221 118.104 117.497 117.497 117.066 117.066 age at birth
t_p d 5312.84 2815.46 1624.93 1624.93 1350.93 1350.93 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.321156 0.999999 0.307959 0.999999 0.298883 survival probability at puberty
theta_0b - 0.00971773 0.216799 0.164598 0.400459 0.203342 0.443129 frac of ind that is embryo
theta_bp - 0.00971897 0.121157 0.137524 0.212999 0.16201 0.230243 fraction of individuals that is juvenile
theta_pi - 0.980563 0.662044 0.697878 0.386541 0.634648 0.326628 frac of ind that is adult
L_bi cm 10.239 8.49352 6.58334 6.17534 6.28074 5.71898 mean structural length of post-natals
L2_bi cm^2 107.111 84.693 53.159 55.5227 50.0598 51.2564 mean squared structural length of post-natals
L3_bi cm^3 1131.61 894.827 488.567 605.213 468.779 596.292 mean cubed structural length of post-natals
Ww_bi g 19059.6 15551.8 10183.9 12615.3 11395.6 14495.3 mean wet weight of post-natals
L_pi cm 10.3167 9.63019 7.403 8.30783 7.25995 8.1128 mean structural length of adults
L2_pi cm^2 108.114 99.213 62.4449 83.1034 61.2689 83.4662 mean squared structural length of adults
L3_pi cm^3 1142.67 1056.23 581.807 931.351 584.392 1006.95 mean cubed structural length of adults
Ww_pi g 19246 18356.9 12127.4 19413.5 14206 24478 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 102.515 83.8058 63.7287 66.5624 70.4913 72.1762 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 0.0117323 0.00260493 0.0129136 0.00315963 yield of living structure on food
Y_VX_d mol/mol 0.00102209 0.00251378 1.10557e-05 0.00488703 6.02305e-06 0.00566828 yield of dead structure on food
Y_EX mol/mol 0 0 0.23282 0.0516934 0.301005 0.0736482 yield of living reserve on food
Y_EX_d mol/mol 0.016193 0.0411749 0.000219394 0.0969801 0.000140392 0.132122 yield of dead reserve on food
Y_CX mol/mol 0.709646 0.688136 0.524746 0.596748 0.468455 0.549271 yield of CO2 on food
Y_HX mol/mol 0.754529 0.731659 0.557936 0.634491 0.498083 0.584012 yield of H2O on food
Y_OX mol/mol -0.900704 -0.873403 -0.666024 -0.757411 -0.594577 -0.697152 yield of O2 on food
Y_NX mol/mol 0.163764 0.158801 0.121095 0.137711 0.108105 0.126755 yield of N-waste on food
mu_TX J/mol 455091 440847 332547 380263 295135 348727 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