Somateria mollissima: Population traits

at T = 41 °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: 2025/02/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.990578 0.990578 0.991659 0.991659 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00276855 0.00276855 0.000500258 0.000500258 spec pop growth rate
t2 d NaN NaN NaN NaN 250.364 250.364 1385.58 1385.58 population doubling time
a_b d 15.8004 15.7738 15.7993 15.7727 15.7908 15.7644 15.7908 15.7644 age at birth
t_p d 388.287 152.221 287.594 150.562 195.832 139.772 195.832 139.772 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.39017 0.385618 1 1 0.388715 0.384217 survival probability at puberty
theta_0b - 0.00112703 0.00110675 0.0102854 0.0106373 0.0428435 0.042773 0.0656845 0.068603 frac of ind that is embryo
theta_bp - 0.00112514 0.00110491 0.00624356 0.00642213 0.0409437 0.0408798 0.0395151 0.0410497 fraction of individuals that is juvenile
theta_pi - 0.997748 0.997788 0.983471 0.982941 0.916213 0.916347 0.8948 0.890347 frac of ind that is adult
L_bi cm 2.61546 2.68571 2.60675 2.67601 2.4449 2.50319 2.52958 2.59019 mean structural length of post-natals
L2_bi cm^2 6.84564 7.21848 6.81551 7.184 6.12738 6.43101 6.52737 6.8551 mean squared structural length of post-natals
L3_bi cm^3 17.9248 19.4094 17.8451 19.3151 15.581 16.7737 17.0094 18.3332 mean cubed structural length of post-natals
Ww_bi g 1905.41 2118.22 1898.98 2110.2 1671.87 1847.83 1825.14 2019.62 mean wet weight of post-natals
L_pi cm 2.61714 2.68742 2.61635 2.68633 2.50349 2.5641 2.59296 2.65902 mean structural length of adults
L2_pi cm^2 6.85189 7.22501 6.85104 7.22293 6.34275 6.65911 6.76175 7.11457 mean squared structural length of adults
L3_pi cm^3 17.9433 19.4292 17.9496 19.4321 16.2087 17.4528 17.6994 19.114 mean cubed structural length of adults
Ww_pi g 1907.38 2120.37 1910.11 2122.99 1739.23 1922.63 1899.18 2105.63 mean wet weight of adults
R 1/d 0 0.0287222 0 0.0287618 0 0 0 0.0222772 mean reproduction rate of adults
J_X g/d 165.727 179.455 165.178 178.793 149.75 161.399 159.525 172.043 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 0.00028806 0.000287727 5.33402e-05 5.33084e-05 yield of living structure on food
Y_VX_d mol/mol 7.74674e-06 7.62067e-06 1.81171e-05 1.79503e-05 4.17479e-09 4.04604e-09 7.20382e-05 7.28646e-05 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0306213 0.0314089 0.00567016 0.00581926 yield of living reserve on food
Y_EX_d mol/mol 0.000815734 0.000824051 0.00190982 0.00194315 4.43787e-07 4.41675e-07 0.00765779 0.00795406 yield of dead reserve on food
Y_CX mol/mol 0.722964 0.722957 0.722066 0.722039 0.698519 0.697879 0.712702 0.712339 yield of CO2 on food
Y_HX mol/mol 0.769678 0.769671 0.768723 0.768694 0.743654 0.742973 0.758753 0.758368 yield of H2O on food
Y_OX mol/mol -0.917608 -0.917599 -0.916469 -0.916435 -0.886581 -0.885769 -0.904583 -0.904123 yield of O2 on food
Y_NX mol/mol 0.166838 0.166836 0.166631 0.166624 0.161197 0.161049 0.16447 0.164386 yield of N-waste on food
mu_TX J/mol 463906 463901 463309 463291 447648 447222 457081 456840 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