Ichthyosaura alpestris: Population traits

at T = 12 °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 - 0.641747 0.641747 0.659392 0.659392 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00243815 0.00243815 0.000780031 0.000780031 spec pop growth rate
t2 d NaN NaN NaN NaN 284.292 284.292 888.615 888.615 population doubling time
a_b d 51.654 52.9707 51.4195 52.7284 48.0208 49.1986 48.0208 49.1986 age at birth
t_p d 8985.37 NaN 5508.89 NaN 1784.43 3341.25 1784.43 3341.25 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999999 0.999998 0.999999 0.999998 survival probability at birth
S_p - 0.99999 0.999988 0.670953 0.701254 0.999993 0.999991 0.587869 0.617193 survival probability at puberty
theta_0b - 0.00591998 0.00639399 0.109261 0.0949755 0.110434 0.112984 0.263698 0.24537 frac of ind that is embryo
theta_bp - 0.00592714 0.0064026 0.089484 0.0795392 0.0983272 0.100318 0.194972 0.185726 fraction of individuals that is juvenile
theta_pi - 0.988153 0.987203 0.801255 0.825485 0.791239 0.786698 0.54133 0.568904 frac of ind that is adult
L_bi cm 0.690883 0.595293 0.492251 0.446668 0.373844 0.340842 0.305563 0.293863 mean structural length of post-natals
L2_bi cm^2 0.500349 0.37074 0.312079 0.246777 0.179371 0.145681 0.140627 0.124216 mean squared structural length of post-natals
L3_bi cm^3 0.370727 0.236209 0.221284 0.150764 0.104116 0.0744353 0.0910432 0.0712969 mean cubed structural length of post-natals
Ww_bi g 0.563062 0.341755 0.339243 0.219982 0.188286 0.126263 0.164645 0.120939 mean wet weight of post-natals
L_pi cm 0.694211 0.598283 0.532097 0.476802 0.402733 0.36653 0.365205 0.344657 mean structural length of adults
L2_pi cm^2 0.503239 0.373027 0.344875 0.268822 0.199163 0.161768 0.184179 0.158496 mean squared structural length of adults
L3_pi cm^3 0.372935 0.237725 0.245716 0.165057 0.116697 0.0835767 0.122829 0.0936969 mean cubed structural length of adults
Ww_pi g 0.566416 0.343948 0.3767 0.240838 0.211038 0.141769 0.222128 0.158936 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 0.00364143 0.00232386 0.00233369 0.00158937 0.00203417 0.00142291 0.00159479 0.00121326 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 0.124793 0.127544 0.0445304 0.0458382 yield of living structure on food
Y_VX_d mol/mol 0.0151242 0.0159291 0.0333082 0.0344363 0.000174223 0.000206673 0.0740302 0.0742678 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.100886 0.0888063 0.0359995 0.0319161 yield of living reserve on food
Y_EX_d mol/mol 0.0078465 0.00711767 0.0177556 0.0158104 0.000140846 0.000143902 0.0598479 0.0517111 yield of dead reserve on food
Y_CX mol/mol 0.80258 0.80251 0.776594 0.77735 0.614784 0.62338 0.625501 0.635375 yield of CO2 on food
Y_HX mol/mol 0.685447 0.685387 0.663253 0.663899 0.525059 0.5324 0.534211 0.542645 yield of H2O on food
Y_OX mol/mol -0.943574 -0.943491 -0.913023 -0.913911 -0.722786 -0.732892 -0.735386 -0.746995 yield of O2 on food
Y_NX mol/mol 0.0650741 0.0650684 0.0629671 0.0630284 0.0498473 0.0505443 0.0507163 0.0515169 yield of N-waste on food
mu_TX J/mol 452683 452682 438398 438897 348370 353536 354316 360167 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