Lithobates catesbeianus: 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: 2025/02/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.728912 0.728912 0.739601 0.739601 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0023256 0.0023256 0.000383519 0.000383519 spec pop growth rate
t2 d NaN NaN NaN NaN 298.051 298.051 1807.33 1807.33 population doubling time
a_b d 19.2138 19.2814 19.195 19.2618 18.8492 18.9021 18.8492 18.9021 age at birth
t_p d 17593.8 2810.06 7949.15 2754.64 3321.26 2043.53 3321.26 2043.53 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.319631 0.322937 1 1 0.302715 0.30528 survival probability at puberty
theta_0b - 0.00111335 0.0011393 0.382959 0.377312 0.0428524 0.0429712 0.449772 0.446942 frac of ind that is embryo
theta_bp - 0.00111443 0.00114037 0.21644 0.214333 0.0410519 0.0411594 0.245823 0.245287 fraction of individuals that is juvenile
theta_pi - 0.997772 0.99772 0.400601 0.408355 0.916096 0.915869 0.304405 0.307771 frac of ind that is adult
L_bi cm 3.64666 3.47058 0.904553 0.90141 1.12505 1.10418 0.349791 0.350728 mean structural length of post-natals
L2_bi cm^2 13.8079 12.4981 2.73544 2.60934 2.01266 1.92746 0.548867 0.540685 mean squared structural length of post-natals
L3_bi cm^3 53.0044 45.6173 10.113 9.18124 4.63066 4.31066 1.78772 1.69994 mean cubed structural length of post-natals
Ww_bi g 217.353 180.026 41.9297 36.63 24.3286 21.7355 9.39233 8.57152 mean wet weight of post-natals
L_pi cm 3.65063 3.47444 1.3436 1.3264 1.17105 1.14939 0.557106 0.55622 mean structural length of adults
L2_pi cm^2 13.8234 12.5123 4.20867 3.97438 2.1024 2.01363 0.9849 0.964517 mean squared structural length of adults
L3_pi cm^3 53.0636 45.6694 15.5764 13.9998 4.83812 4.50434 3.23068 3.05405 mean cubed structural length of adults
Ww_pi g 217.596 180.232 64.5819 55.8543 25.4186 22.712 16.9734 15.3993 mean wet weight of adults
R 1/d 0 6.63157 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.665892 0.572746 0.133852 0.121331 0.133159 0.12118 0.0363134 0.0339929 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 0.0808737 0.0827273 0.0188807 0.0191793 yield of living structure on food
Y_VX_d mol/mol 0.0053926 0.00548688 0.014087 0.0143585 1.04104e-05 1.1206e-05 0.0376958 0.0383063 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.344022 0.334405 0.0803152 0.0775275 yield of living reserve on food
Y_EX_d mol/mol 0.0167206 0.0161668 0.0443197 0.0429268 4.42839e-05 4.52976e-05 0.160351 0.154844 yield of dead reserve on food
Y_CX mol/mol 0.803373 0.803798 0.769802 0.770839 0.430749 0.437929 0.548878 0.555711 yield of CO2 on food
Y_HX mol/mol 0.686124 0.686487 0.657452 0.658338 0.367883 0.374015 0.468772 0.474607 yield of H2O on food
Y_OX mol/mol -0.944507 -0.945006 -0.905037 -0.906257 -0.506421 -0.514862 -0.645303 -0.653335 yield of O2 on food
Y_NX mol/mol 0.0651384 0.0651728 0.0624164 0.0625005 0.0349256 0.0355077 0.0445037 0.0450576 yield of N-waste on food
mu_TX J/mol 452660 452914 433466 434086 238561 242851 306416 310456 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