Duttaphrynus melanostictus: Population traits

at T = 25 °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: 2023/01/25
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.646085 0.646085 0.649931 0.649931 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00690115 0.00690115 0.00217889 0.00217889 spec pop growth rate
t2 d NaN NaN NaN NaN 100.439 100.439 318.119 318.119 population doubling time
a_b d 10.407 11.1523 10.3968 11.1411 9.70645 10.3676 9.70645 10.3676 age at birth
t_p d 8957.43 2.60219e+22 5113.49 2.60219e+22 1171.73 3801.61 1171.73 3801.61 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999999 0.598398 0.672609 0.999999 0.999999 0.523475 0.595333 survival probability at puberty
theta_0b - 0.00163008 0.00200022 0.189499 0.141115 0.0647105 0.0689578 0.302508 0.256618 frac of ind that is embryo
theta_bp - 0.00163285 0.00200409 0.146772 0.11591 0.0606027 0.0642941 0.21474 0.193983 fraction of individuals that is juvenile
theta_pi - 0.996737 0.995996 0.663729 0.742975 0.874687 0.866748 0.482752 0.549399 frac of ind that is adult
L_bi cm 2.21649 1.45496 0.676343 0.571639 0.5463 0.416979 0.270299 0.25002 mean structural length of post-natals
L2_bi cm^2 5.25426 2.26586 1.16263 0.665413 0.463368 0.256648 0.164646 0.122508 mean squared structural length of post-natals
L3_bi cm^3 12.79 3.62866 2.59173 0.97373 0.527197 0.208234 0.204723 0.110277 mean cubed structural length of post-natals
Ww_bi g 21.4672 5.25634 4.36051 1.41311 1.08079 0.352806 0.419697 0.186841 mean wet weight of post-natals
L_pi cm 2.21996 1.45769 0.80332 0.64533 0.57673 0.440251 0.343656 0.30221 mean structural length of adults
L2_pi cm^2 5.26285 2.2704 1.41741 0.76768 0.494671 0.27489 0.2329 0.162054 mean squared structural length of adults
L3_pi cm^3 12.811 3.63595 3.16461 1.12548 0.563637 0.223597 0.295255 0.148831 mean cubed structural length of adults
Ww_pi g 21.5024 5.26691 5.32437 1.63334 1.1555 0.378836 0.605293 0.252161 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 0.173334 0.049422 0.0385825 0.0146001 0.0236596 0.00866433 0.00840682 0.00413583 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 0.153775 0.165858 0.0530604 0.0580977 yield of living structure on food
Y_VX_d mol/mol 0.0155431 0.0179454 0.0359376 0.0405874 3.99557e-05 6.51652e-05 0.0987771 0.105143 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.161475 0.115152 0.0557172 0.0403361 yield of living reserve on food
Y_EX_d mol/mol 0.010545 0.00804964 0.0245264 0.0183144 4.19564e-05 4.52429e-05 0.103723 0.0729987 yield of dead reserve on food
Y_CX mol/mol 0.799697 0.799783 0.767899 0.769344 0.532146 0.563791 0.535896 0.567996 yield of CO2 on food
Y_HX mol/mol 0.682984 0.683058 0.655827 0.657061 0.454481 0.481508 0.457684 0.485099 yield of H2O on food
Y_OX mol/mol -0.940184 -0.940285 -0.9028 -0.904499 -0.625631 -0.662836 -0.63004 -0.667779 yield of O2 on food
Y_NX mol/mol 0.0648403 0.0648472 0.0622621 0.0623792 0.043147 0.0457128 0.043451 0.0460537 yield of N-waste on food
mu_TX J/mol 451018 451189 433446 434523 301494 320603 303588 322927 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