Amphiuma means: 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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.667312 0.667312 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000178979 0.000178979 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 3872.79 3872.79 NaN NaN population doubling time
a_b d 131.378 131.378 NaN NaN 126.446 126.446 NaN NaN age at birth
t_p d 2140.45 2119.05 NaN NaN 1409.09 1398.96 NaN NaN time since birth at puberty
S_b - 0.999997 0.999997 NaN NaN 0.999998 0.999998 NaN NaN survival probability at birth
S_p - 0.999987 0.999987 NaN NaN 0.999989 0.999989 NaN NaN survival probability at puberty
theta_0b - 0.0108279 0.0108279 NaN NaN 0.0257597 0.0257597 NaN NaN frac of ind that is embryo
theta_bp - 0.0108313 0.0108313 NaN NaN 0.0251894 0.0251894 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.978341 0.978341 NaN NaN 0.949051 0.949051 NaN NaN frac of ind that is adult
L_bi cm 4.08731 4.08731 NaN NaN 4.89998 4.89998 NaN NaN mean structural length of post-natals
L2_bi cm^2 17.579 17.579 NaN NaN 27.5381 27.5381 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 77.3625 77.3625 NaN NaN 164.769 164.769 NaN NaN mean cubed structural length of post-natals
Ww_bi g 202.329 202.329 NaN NaN 563.62 563.62 NaN NaN mean wet weight of post-natals
L_pi cm 4.12495 4.12495 NaN NaN 5.01109 5.01109 NaN NaN mean structural length of adults
L2_pi cm^2 17.7683 17.7683 NaN NaN 28.2552 28.2552 NaN NaN mean squared structural length of adults
L3_pi cm^3 78.2153 78.2153 NaN NaN 169.132 169.132 NaN NaN mean cubed structural length of adults
Ww_pi g 204.559 204.559 NaN NaN 578.544 578.544 NaN NaN mean wet weight of adults
R 1/d 7.9471e-05 8.04954e-05 NaN NaN 0.000207591 0.000208395 NaN NaN mean reproduction rate of adults
J_X g/d 0.521917 0.521917 NaN NaN 1.22522 1.22522 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0240693 0.0240693 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0159329 0.0159329 NaN NaN 0.00704203 0.00704203 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0582636 0.0582636 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0257369 0.0257369 NaN NaN 0.0170464 0.0170464 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.785284 0.785284 NaN NaN 0.725388 0.725388 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.670675 0.670675 NaN NaN 0.619521 0.619521 NaN NaN yield of H2O on food
Y_OX mol/mol -0.923239 -0.923239 NaN NaN -0.852821 -0.852821 NaN NaN yield of O2 on food
Y_NX mol/mol 0.0636716 0.0636716 NaN NaN 0.0588153 0.0588153 NaN NaN yield of N-waste on food
mu_TX J/mol 442610 442610 NaN NaN 408348 408348 NaN NaN 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