Stenella longirostris: Population traits

at T = 37 °C with background hazards for embryo, baby, juv, adult: 0, 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 stx f_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.935797 0.935797 0.947876 0.947876 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000361991 0.000361991 0.000140787 0.000140787 spec pop growth rate
t2 d NaN NaN NaN NaN 1914.82 1914.82 4923.36 4923.36 population doubling time
a_b d 337.299 337.299 337.299 337.299 337.299 337.299 337.299 337.299 age at birth
t_x d 4562.22 1922.01 3405.69 1835.65 2225.93 1567.55 2225.93 1567.55 time since birth at weaning
t_p d 1011.58 842.027 984.328 825.046 888.473 762.868 888.473 762.868 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.607411 0.570493 1 1 0.58677 0.552043 survival probability at weaning
S_p - 0.999996 1 0.271934 0.261093 1 1 0.265287 0.255824 survival probability at puberty
theta_0b - 0.0162259 0.0148859 0.0561534 0.061526 0.115144 0.11506 0.152346 0.170345 frac of ind that is embryo
theta_bx - 0.0162252 0.0148852 0.0431219 0.0457552 0.101905 0.10183 0.109835 0.119082 fraction of individuals that is baby
theta_xp - 0.203233 0.0699341 0.172882 0.0962323 0.388609 0.281807 0.248643 0.187715 fraction of individuals that is juvenile
theta_pi - 0.764316 0.900295 0.727843 0.796486 0.394343 0.501303 0.489176 0.522859 frac of ind that is adult
L_bi cm 18.6257 20.5098 18.4859 20.2366 17.6122 18.9899 17.9741 19.2817 mean structural length of post-natals
L2_bi cm^2 348.648 423.163 345.666 415.829 319.115 373.778 333.357 387.908 mean squared structural length of post-natals
L3_bi cm^3 6548.93 8765.54 6513.84 8628.32 5908.42 7554.26 6323.12 8035.95 mean cubed structural length of post-natals
Ww_bi g 29107.4 42074.2 29241 41838.8 27656.9 38229.6 29598 40667.3 mean wet weight of post-natals
L_pi cm 19.0393 20.9277 19.2745 21.1768 20.066 21.6683 20.1955 22.0073 mean structural length of adults
L2_pi cm^2 362.496 438.029 371.507 448.542 402.738 470.186 407.923 484.821 mean squared structural length of adults
L3_pi cm^3 6901.69 9169.37 7160.67 9502.27 8085.13 10216.7 8240.83 10690.9 mean cubed structural length of adults
Ww_pi g 30675.2 44012.6 32144.7 46076.6 37845.9 51703.2 38574.7 54103.2 mean wet weight of adults
R 1/d 6.2741e-05 0.0014668 0.000228392 0.00165888 0.000813825 0.00207442 0.000901128 0.00232875 mean reproduction rate of adults
J_X g/d 138.839 185.897 139.428 185.033 135.797 175.467 141.857 182.1 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 0.01575 0.0155845 0.00627543 0.00621285 yield of living structure on food
Y_VX_d mol/mol 0.00243224 0.00223429 0.00473795 0.00455196 4.41512e-05 2.65564e-05 0.00723911 0.00750087 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0579745 0.0632836 0.0230994 0.0252283 yield of living reserve on food
Y_EX_d mol/mol 0.0083781 0.00849021 0.016531 0.0175205 0.000162517 0.000107837 0.0266466 0.0304585 yield of dead reserve on food
Y_CX mol/mol 0.813829 0.813908 0.804154 0.803411 0.755442 0.750751 0.765312 0.759633 yield of CO2 on food
Y_HX mol/mol 0.694076 0.694144 0.685825 0.685191 0.644281 0.64028 0.652699 0.647855 yield of H2O on food
Y_OX mol/mol -0.956798 -0.956892 -0.945425 -0.944551 -0.888155 -0.882639 -0.899759 -0.893082 yield of O2 on food
Y_NX mol/mol 0.0659861 0.0659925 0.0652017 0.0651414 0.061252 0.0608717 0.0620523 0.0615918 yield of N-waste on food
mu_TX J/mol 458626 458662 453084 452640 425155 422403 430812 427501 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