Rynchops niger: Population traits

at T = 40.9 °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: 2023/10/02
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.88484 0.88484 0.895925 0.895925 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0037041 0.0037041 0.000858956 0.000858956 spec pop growth rate
t2 d NaN NaN NaN NaN 187.13 187.13 806.965 806.965 population doubling time
a_b d 16.0546 15.935 16.0362 15.9179 15.8825 15.7752 15.8825 15.7752 age at birth
t_p d 190.396 81.2707 136.715 77.3163 70.5882 57.0271 70.5882 57.0271 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.506867 0.481946 1 1 0.474681 0.453227 survival probability at puberty
theta_0b - 0.00210199 0.00202305 0.00956282 0.0107825 0.0571422 0.0567669 0.0687195 0.0781951 frac of ind that is embryo
theta_bp - 0.002102 0.00202303 0.00664467 0.00730629 0.0538764 0.0535434 0.0456282 0.0507593 fraction of individuals that is juvenile
theta_pi - 0.995796 0.995954 0.983793 0.981911 0.888981 0.88969 0.885652 0.871046 frac of ind that is adult
L_bi cm 2.97062 3.22876 2.99879 3.25668 3.11045 3.34798 3.21608 3.46271 mean structural length of post-natals
L2_bi cm^2 8.83049 10.4332 9.00934 10.6315 9.87713 11.488 10.5108 12.2437 mean squared structural length of post-natals
L3_bi cm^3 26.261 33.7297 27.097 34.7544 31.7945 40.0429 34.6767 43.8029 mean cubed structural length of post-natals
Ww_bi g 157.972 217.651 164.703 226.637 212.012 286.806 231.231 313.737 mean wet weight of post-natals
L_pi cm 2.9733 3.2318 3.00774 3.26827 3.19332 3.44287 3.29388 3.56376 mean structural length of adults
L2_pi cm^2 8.84296 10.4482 9.05107 10.6889 10.2896 11.9882 10.9006 12.7808 mean squared structural length of adults
L3_pi cm^3 26.3058 33.7873 27.2474 34.9753 33.3899 42.1058 36.1985 46.0425 mean cubed structural length of adults
Ww_pi g 158.241 218.022 165.617 228.077 222.65 301.581 241.379 329.778 mean wet weight of adults
R 1/d 0.000168001 0.00710241 0.00108258 0.00814431 0.00675883 0.0139292 0.00918266 0.0171588 mean reproduction rate of adults
J_X g/d 17.5182 22.5025 18.0969 23.2175 22.1448 28.0023 23.5654 29.8445 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 0.0053182 0.00529681 0.00126396 0.0012607 yield of living structure on food
Y_VX_d mol/mol 0.000197841 0.000191905 0.000408371 0.000409693 9.23613e-07 8.44252e-07 0.00148498 0.00156028 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0301446 0.0326414 0.00716439 0.00776899 yield of living reserve on food
Y_EX_d mol/mol 0.000992259 0.00104642 0.00207382 0.00226196 5.23521e-06 5.20267e-06 0.00841713 0.00961514 yield of dead reserve on food
Y_CX mol/mol 0.722666 0.722627 0.721616 0.721462 0.694814 0.692803 0.708739 0.707216 yield of CO2 on food
Y_HX mol/mol 0.769361 0.769319 0.768244 0.76808 0.73971 0.737569 0.754535 0.752913 yield of H2O on food
Y_OX mol/mol -0.91723 -0.91718 -0.915897 -0.915702 -0.88188 -0.879327 -0.899554 -0.897621 yield of O2 on food
Y_NX mol/mol 0.166769 0.16676 0.166527 0.166491 0.160342 0.159878 0.163555 0.163204 yield of N-waste on food
mu_TX J/mol 463717 463691 463029 462926 445433 444094 454574 453564 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