Acanthophis antarcticus: Population traits

at T = 28.5 °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: 2025/02/07
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.332874 0.332874 0.508621 0.508621 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00245882 0.00245882 0.000302104 0.000302104 spec pop growth rate
t2 d NaN NaN NaN NaN 281.902 281.902 2294.4 2294.4 population doubling time
a_b d 130.371 130.371 121.304 121.304 110.067 110.067 110.067 110.067 age at birth
t_p d 1294.85 NaN 511.461 1487.06 254.029 533.354 254.029 533.354 time since birth at puberty
S_b - 0.999938 0.999938 0.999949 0.999949 0.999961 0.999961 0.999961 0.999961 survival probability at birth
S_p - 0.999595 0.999595 0.576969 0.576969 0.999797 0.999797 0.438366 0.438366 survival probability at puberty
theta_0b - 0.0323981 0.0323981 0.168049 0.168049 0.237673 0.237673 0.332675 0.332675 frac of ind that is embryo
theta_bp - 0.032423 0.032423 0.126954 0.126954 0.181351 0.181351 0.212315 0.212315 fraction of individuals that is juvenile
theta_pi - 0.935179 0.935179 0.704997 0.704997 0.580976 0.580976 0.45501 0.45501 frac of ind that is adult
L_bi cm 2.80046 2.80046 3.35545 3.35545 3.36893 3.36893 3.75293 3.75293 mean structural length of post-natals
L2_bi cm^2 8.04683 8.04683 12.7067 12.7067 13.7724 13.7724 19.5474 19.5474 mean squared structural length of post-natals
L3_bi cm^3 23.5431 23.5431 51.9294 51.9294 65.9791 65.9791 126.843 126.843 mean cubed structural length of post-natals
Ww_bi g 34.0559 34.0559 87.3602 87.3602 154.487 154.487 296.995 296.995 mean wet weight of post-natals
L_pi cm 2.8457 2.8457 3.67895 3.67895 3.89048 3.89048 4.72753 4.72753 mean structural length of adults
L2_pi cm^2 8.24805 8.24805 14.5545 14.5545 17.1589 17.1589 27.3576 27.3576 mean squared structural length of adults
L3_pi cm^3 24.2424 24.2424 60.5854 60.5854 84.9821 84.9821 183.785 183.785 mean cubed structural length of adults
Ww_pi g 35.0675 35.0675 101.922 101.922 198.981 198.981 430.324 430.324 mean wet weight of adults
R 1/d 0.000383347 0 0.00389505 0 0.00674932 0.00352711 0.0133011 0.0100789 mean reproduction rate of adults
J_X g/d 0.208656 0.208656 0.503447 0.503447 1.07284 1.07284 1.5227 1.5227 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 0.151215 0.151215 0.0251655 0.0251655 yield of living structure on food
Y_VX_d mol/mol 0.0371673 0.0371673 0.0698354 0.0698354 0.00159926 0.00159926 0.0762387 0.0762387 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.202848 0.202848 0.0337582 0.0337582 yield of living reserve on food
Y_EX_d mol/mol 0.0165965 0.0165965 0.0476479 0.0476479 0.00214532 0.00214532 0.10227 0.10227 yield of dead reserve on food
Y_CX mol/mol 0.67995 0.67995 0.628178 0.628178 0.432914 0.432914 0.530719 0.530719 yield of CO2 on food
Y_HX mol/mol 0.722955 0.722955 0.667909 0.667909 0.460295 0.460295 0.564286 0.564286 yield of H2O on food
Y_OX mol/mol -0.863013 -0.863013 -0.797302 -0.797302 -0.549468 -0.549468 -0.673605 -0.673605 yield of O2 on food
Y_NX mol/mol 0.156911 0.156911 0.144964 0.144964 0.0999032 0.0999032 0.122474 0.122474 yield of N-waste on food
mu_TX J/mol 437131 437131 404302 404302 278471 278471 341006 341006 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