Pelobates syriacus: Population traits

at T = 17 °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: 2023/04/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.625753 0.625753 0.644089 0.644089 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00517209 0.00517209 0.0011429 0.0011429 spec pop growth rate
t2 d NaN NaN NaN NaN 134.017 134.017 606.48 606.48 population doubling time
a_b d 3.27381 3.34192 3.25899 3.32696 3.03761 3.10368 3.03761 3.10368 age at birth
t_p d 8401.04 NaN 4188.71 NaN 1245.9 1626.06 1245.9 1626.06 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.870865 0.883401 1 1 0.821921 0.837746 survival probability at puberty
theta_0b - 0.000487316 0.000517765 0.0519505 0.0458649 0.0154763 0.015805 0.0971668 0.0885629 frac of ind that is embryo
theta_bp - 0.000491503 0.000522459 0.0488903 0.0434925 0.0153488 0.0156751 0.0884464 0.0814104 fraction of individuals that is juvenile
theta_pi - 0.999021 0.99896 0.899159 0.910643 0.969175 0.96852 0.814387 0.830027 frac of ind that is adult
L_bi cm 2.57039 2.24144 0.908622 0.853831 0.847592 0.760147 0.450407 0.436379 mean structural length of post-natals
L2_bi cm^2 7.06109 5.37564 1.88435 1.55558 1.09748 0.869665 0.51679 0.456331 mean squared structural length of post-natals
L3_bi cm^3 19.9219 13.2526 4.98367 3.58755 1.86211 1.29957 1.15083 0.89715 mean cubed structural length of post-natals
Ww_bi g 20.9512 13.8528 5.24872 3.75477 2.01587 1.39362 1.24586 0.962073 mean wet weight of post-natals
L_pi cm 2.57159 2.24254 0.950757 0.888248 0.858864 0.770263 0.484594 0.46594 mean structural length of adults
L2_pi cm^2 7.06455 5.37844 1.98584 1.62902 1.11457 0.883444 0.570917 0.499301 mean squared structural length of adults
L3_pi cm^3 19.9317 13.2596 5.25452 3.75878 1.89156 1.32056 1.27555 0.984902 mean cubed structural length of adults
Ww_pi g 20.9615 13.86 5.53398 3.93398 2.04775 1.41613 1.38087 1.05618 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 0.111833 0.0746161 0.0307189 0.0222248 0.0277775 0.0192909 0.0130801 0.0101223 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 0.346719 0.348429 0.100556 0.101296 yield of living structure on food
Y_VX_d mol/mol 0.035867 0.0375536 0.0825118 0.0854625 0.000177153 0.000203107 0.193101 0.193438 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0286293 0.0252145 0.00830316 0.00733043 yield of living reserve on food
Y_EX_d mol/mol 0.00185324 0.00170055 0.00438829 0.00398344 1.46279e-05 1.46981e-05 0.0159447 0.0139984 yield of dead reserve on food
Y_CX mol/mol 0.788937 0.787518 0.743446 0.741091 0.476453 0.478006 0.529766 0.531469 yield of CO2 on food
Y_HX mol/mol 0.673795 0.672583 0.634943 0.632931 0.406917 0.408243 0.452449 0.453904 yield of H2O on food
Y_OX mol/mol -0.927534 -0.925866 -0.874051 -0.871282 -0.560155 -0.561981 -0.622833 -0.624836 yield of O2 on food
Y_NX mol/mol 0.0639679 0.0638528 0.0602794 0.0600884 0.0386314 0.0387573 0.042954 0.0430921 yield of N-waste on food
mu_TX J/mol 445743 444998 421476 420247 278585 279580 307095 308145 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