Grampus griseus: Population traits

at T = 35.5 °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: 2023/08/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.944001 0.944001 0.969725 0.969725 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000307588 0.000307588 6.14197e-05 6.14197e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2253.49 2253.49 11285.4 11285.4 population doubling time
a_b d 417.253 NaN 417.253 417.253 417.253 417.253 417.253 417.253 age at birth
t_x d 6090.15 NaN 3925.45 7048.56 3187.54 3995.62 3187.54 3995.62 time since birth at weaning
t_p d 480.419 NaN 469.236 469.236 457.406 457.406 457.406 457.406 time since birth at puberty
S_b - 0.999999 NaN 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_x - 0.999995 NaN 0.458772 0.458772 0.999995 0.999995 0.451318 0.451318 survival probability at weaning
S_p - 0.99365 NaN 0.143904 0.134897 0.999363 0.998643 0.14346 0.135707 survival probability at puberty
theta_0b - 0.0224969 NaN 0.126695 0.126695 0.121709 0.121709 0.191214 0.191214 frac of ind that is embryo
theta_bx - 0.0224909 NaN 0.0840127 0.0840127 0.107023 0.107023 0.122805 0.122805 fraction of individuals that is baby
theta_xp - 0.305327 NaN 0.217712 0.348642 0.448128 0.521417 0.241871 0.282675 fraction of individuals that is juvenile
theta_pi - 0.649686 NaN 0.57158 0.440651 0.323139 0.24985 0.44411 0.403307 frac of ind that is adult
L_bi cm 29.9854 NaN 28.8469 28.8469 26.9657 26.9657 27.8195 27.8195 mean structural length of post-natals
L2_bi cm^2 910.408 NaN 865.85 865.85 765.987 765.987 822.914 822.914 mean squared structural length of post-natals
L3_bi cm^3 27853.6 NaN 26593 26593 22547.2 22547.2 25267.9 25267.9 mean cubed structural length of post-natals
Ww_bi g 311712 NaN 304990 304990 265960 265960 298051 298051 mean wet weight of post-natals
L_pi cm 31.3139 NaN 32.0929 32.1732 32.6246 32.8806 32.9259 33.0436 mean structural length of adults
L2_pi cm^2 980.56 NaN 1029.99 1035.11 1064.67 1081.23 1084.31 1091.94 mean squared structural length of adults
L3_pi cm^3 30705.2 NaN 33057.5 33303 34754.5 35557.3 35714.4 36085.3 mean cubed structural length of adults
Ww_pi g 343626 NaN 379131 381946 409952 419422 421275 425650 mean wet weight of adults
R 1/d 8.28253e-05 NaN 0.000530828 4.68259e-05 0.000845679 0.000472408 0.001018 0.000567118 mean reproduction rate of adults
J_X g/d 1035.65 NaN 1011.8 1011.8 923.047 923.047 991.646 991.646 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 0 0.00751344 0.00751344 0.00156502 0.00156502 yield of living structure on food
Y_VX_d mol/mol 0.00163641 NaN 0.00351604 0.00351604 0.000139885 0.000139885 0.00406634 0.00406634 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 0 0.0811125 0.0811125 0.0168954 0.0168954 yield of living reserve on food
Y_EX_d mol/mol 0.0166768 NaN 0.0368088 0.0368088 0.00151015 0.00151015 0.0438988 0.0438988 yield of dead reserve on food
Y_CX mol/mol 0.806888 NaN 0.786528 0.786528 0.740323 0.740323 0.762384 0.762384 yield of CO2 on food
Y_HX mol/mol 0.688157 NaN 0.670792 0.670792 0.631386 0.631386 0.650202 0.650202 yield of H2O on food
Y_OX mol/mol -0.948639 NaN -0.924701 -0.924701 -0.87038 -0.87038 -0.896317 -0.896317 yield of O2 on food
Y_NX mol/mol 0.0654234 NaN 0.0637725 0.0637725 0.0600262 0.0600262 0.061815 0.061815 yield of N-waste on food
mu_TX J/mol 454528 NaN 442717 442717 415908 415908 428706 428706 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