Necturus maculosus: Population traits

at T = 15 °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: 2023/01/28
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.439795 0.439795 0.477624 0.477624 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00186333 0.00186333 0.000302969 0.000302969 spec pop growth rate
t2 d NaN NaN NaN NaN 371.994 371.994 2287.85 2287.85 population doubling time
a_b d 101.441 101.441 100.229 100.229 91.302 91.302 91.302 91.302 age at birth
t_p d 12775 4362.54 5693.19 3590.09 1863.32 1524.9 1863.32 1524.9 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999992 0.999992 0.494139 0.494139 0.999994 0.999994 0.38721 0.38721 survival probability at puberty
theta_0b - 0.00674436 0.00674436 0.211341 0.211341 0.156405 0.156405 0.393521 0.393521 frac of ind that is embryo
theta_bp - 0.0067492 0.0067492 0.148268 0.148268 0.131994 0.131994 0.238269 0.238269 fraction of individuals that is juvenile
theta_pi - 0.986506 0.986506 0.640391 0.640391 0.711601 0.711601 0.36821 0.36821 frac of ind that is adult
L_bi cm 2.86059 2.86059 1.75436 1.75436 1.39235 1.39235 1.11808 1.11808 mean structural length of post-natals
L2_bi cm^2 8.62396 8.62396 4.65262 4.65262 2.75891 2.75891 2.62566 2.62566 mean squared structural length of post-natals
L3_bi cm^3 26.6123 26.6123 14.3846 14.3846 7.06202 7.06202 10.3389 10.3389 mean cubed structural length of post-natals
Ww_bi g 43.9987 43.9987 24.5907 24.5907 17.5528 17.5528 25.6974 25.6974 mean wet weight of post-natals
L_pi cm 2.87736 2.87736 2.06694 2.06694 1.56864 1.56864 1.56453 1.56453 mean structural length of adults
L2_pi cm^2 8.6818 8.6818 5.69159 5.69159 3.23377 3.23377 4.20386 4.20386 mean squared structural length of adults
L3_pi cm^3 26.7939 26.7939 17.6992 17.6992 8.35506 8.35506 16.9755 16.9755 mean cubed structural length of adults
Ww_pi g 44.2989 44.2989 30.2572 30.2572 20.7666 20.7666 42.1928 42.1928 mean wet weight of adults
R 1/d 0 0.00731408 0 0 0 0 0 0.000836329 mean reproduction rate of adults
J_X g/d 0.0959145 0.0959145 0.0561969 0.0561969 0.0697695 0.0697695 0.0663998 0.0663998 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 0.188605 0.188605 0.0471743 0.0471743 yield of living structure on food
Y_VX_d mol/mol 0.0240279 0.0240279 0.0545804 0.0545804 0.000121013 0.000121013 0.0917645 0.0917645 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.280175 0.280175 0.0700781 0.0700781 yield of living reserve on food
Y_EX_d mol/mol 0.0156979 0.0156979 0.0387257 0.0387257 0.000179767 0.000179767 0.136317 0.136317 yield of dead reserve on food
Y_CX mol/mol 0.787082 0.787082 0.73752 0.73752 0.389928 0.389928 0.504394 0.504394 yield of CO2 on food
Y_HX mol/mol 0.67221 0.67221 0.629882 0.629882 0.33302 0.33302 0.43078 0.43078 yield of H2O on food
Y_OX mol/mol -0.925353 -0.925353 -0.867084 -0.867084 -0.458429 -0.458429 -0.593004 -0.593004 yield of O2 on food
Y_NX mol/mol 0.0638174 0.0638174 0.0597989 0.0597989 0.0316158 0.0316158 0.0408968 0.0408968 yield of N-waste on food
mu_TX J/mol 444066 444066 416615 416615 220085 220085 284524 284524 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