Lithobates sphenocephalus: Population traits

at T = 10 °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 - 0.375465 0.375465 0.4436 0.4436 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00587214 0.00587214 0.000910714 0.000910714 spec pop growth rate
t2 d NaN NaN NaN NaN 118.04 118.04 761.103 761.103 population doubling time
a_b d 14.2369 14.6989 13.8424 14.2909 12.1273 12.4923 12.1273 12.4923 age at birth
t_p d 6321.61 2.98954e+22 2861.95 2.98954e+22 876.795 1318.38 876.795 1318.38 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999995 0.999993 0.675298 0.708685 0.999997 0.999996 0.5309 0.563514 survival probability at puberty
theta_0b - 0.00310342 0.00341301 0.146289 0.126776 0.0686695 0.0706636 0.281066 0.259022 frac of ind that is embryo
theta_bp - 0.00311007 0.00342095 0.120401 0.106909 0.0640376 0.0657591 0.202846 0.192534 fraction of individuals that is juvenile
theta_pi - 0.993787 0.993166 0.73331 0.766315 0.867293 0.863577 0.516088 0.548444 frac of ind that is adult
L_bi cm 1.39617 1.14906 0.625455 0.574209 0.660824 0.58496 0.42176 0.407612 mean structural length of post-natals
L2_bi cm^2 2.12251 1.43717 0.784575 0.60387 0.668823 0.512141 0.469659 0.404718 mean squared structural length of post-natals
L3_bi cm^3 3.34897 1.86752 1.28532 0.814212 0.903615 0.593731 1.01959 0.746682 mean cubed structural length of post-natals
Ww_bi g 3.93762 2.13919 1.55224 0.954152 1.32663 0.82377 1.49689 1.03598 mean wet weight of post-natals
L_pi cm 1.40014 1.15258 0.706924 0.636499 0.699344 0.61909 0.533664 0.503281 mean structural length of adults
L2_pi cm^2 2.1291 1.44206 0.910641 0.685835 0.716765 0.549706 0.646812 0.540345 mean squared structural length of adults
L3_pi cm^3 3.35945 1.87394 1.49599 0.927511 0.970131 0.638743 1.41929 1.00792 mean cubed structural length of adults
Ww_pi g 3.94994 2.14655 1.80666 1.08692 1.42429 0.886222 2.08372 1.39844 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0190621 0.0106823 0.00832487 0.00530302 0.0159979 0.0101386 0.011234 0.00801199 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 0.331679 0.343881 0.0826556 0.0848745 yield of living structure on food
Y_VX_d mol/mol 0.0569676 0.0608663 0.118503 0.124798 0.000420063 0.000525922 0.171612 0.177215 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.155272 0.133235 0.0386943 0.0328843 yield of living reserve on food
Y_EX_d mol/mol 0.0100132 0.00885437 0.0246091 0.0214492 0.000196647 0.000203766 0.0803383 0.0686612 yield of dead reserve on food
Y_CX mol/mol 0.761871 0.759337 0.691449 0.688549 0.372828 0.38182 0.478525 0.487466 yield of CO2 on food
Y_HX mol/mol 0.650679 0.648514 0.590535 0.588058 0.318415 0.326095 0.408686 0.416322 yield of H2O on food
Y_OX mol/mol -0.895713 -0.892733 -0.81292 -0.809511 -0.438325 -0.448897 -0.56259 -0.573102 yield of O2 on food
Y_NX mol/mol 0.0617733 0.0615678 0.0560634 0.0558283 0.0302293 0.0309584 0.0387993 0.0395243 yield of N-waste on food
mu_TX J/mol 430973 429686 392874 391493 217255 223128 275165 280783 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