Tursiops truncatus: Population traits

at T = 37.3 °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 - 0.848821 0.848821 0.89363 0.89363 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000355494 0.000355494 6.74466e-05 6.74466e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1949.82 1949.82 10277 10277 population doubling time
a_b d 395.55 NaN 395.55 NaN 395.55 395.55 395.55 395.55 age at birth
t_x d 5318.63 NaN 3107.04 NaN 2079 2826.27 2079 2826.27 time since birth at weaning
t_p d 645.662 NaN 607.997 NaN 543.394 521.061 543.394 521.061 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.474395 NaN 1 1 0.447287 0.436695 survival probability at weaning
S_p - 0.999894 NaN 0.153179 NaN 0.999996 0.99999 0.152204 0.12223 survival probability at puberty
theta_0b - 0.0142522 NaN 0.0922555 NaN 0.131348 0.131317 0.194194 0.202991 frac of ind that is embryo
theta_bx - 0.0142478 NaN 0.0623303 NaN 0.114085 0.114061 0.12431 0.128434 fraction of individuals that is baby
theta_xp - 0.177326 NaN 0.142313 NaN 0.340284 0.437087 0.178498 0.220617 fraction of individuals that is juvenile
theta_pi - 0.794174 NaN 0.703101 NaN 0.414283 0.317536 0.502998 0.447959 frac of ind that is adult
L_bi cm 30.7793 NaN 30.7563 NaN 28.9192 29.9069 30.6204 31.6325 mean structural length of post-natals
L2_bi cm^2 955.041 NaN 974.994 NaN 891.825 958.787 1008.57 1085.37 mean squared structural length of post-natals
L3_bi cm^3 29779.8 NaN 31436.7 NaN 28739.7 32218.7 34672.1 39024.5 mean cubed structural length of post-natals
Ww_bi g 199370 NaN 219913 NaN 221556 259134 267289 313873 mean wet weight of post-natals
L_pi cm 31.6367 NaN 33.2061 NaN 35.3612 37.784 36.4831 38.5986 mean structural length of adults
L2_pi cm^2 1000.88 NaN 1102.74 NaN 1253.35 1429.02 1332.91 1490.72 mean squared structural length of adults
L3_pi cm^3 31664.6 NaN 36624.1 NaN 44524.1 54098.3 48762.1 57604.8 mean cubed structural length of adults
Ww_pi g 211988 NaN 256201 NaN 343239 435111 375910 463314 mean wet weight of adults
R 1/d 4.53024e-05 NaN 0.000331436 NaN 0.000746278 0.000576475 0.000962586 0.000749472 mean reproduction rate of adults
J_X g/d 664.735 NaN 714.448 NaN 731.291 825.33 827.024 934.291 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0139709 0.0138775 0.00282762 0.00281719 yield of living structure on food
Y_VX_d mol/mol 0.00174299 NaN 0.00410257 NaN 3.03067e-05 2.47866e-05 0.00605587 0.00598918 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0937316 0.0977391 0.0189707 0.0198414 yield of living reserve on food
Y_EX_d mol/mol 0.00992593 NaN 0.0245966 NaN 0.000203329 0.000174571 0.0406292 0.0421817 yield of dead reserve on food
Y_CX mol/mol 0.813034 NaN 0.797281 NaN 0.723987 0.720398 0.760481 0.758311 yield of CO2 on food
Y_HX mol/mol 0.693399 NaN 0.679964 NaN 0.617455 0.614394 0.648578 0.646728 yield of H2O on food
Y_OX mol/mol -0.955865 NaN -0.937344 NaN -0.851174 -0.846955 -0.894079 -0.891528 yield of O2 on food
Y_NX mol/mol 0.0659217 NaN 0.0646444 NaN 0.0587017 0.0584107 0.0616606 0.0614847 yield of N-waste on food
mu_TX J/mol 458127 NaN 449034 NaN 406674 404570 427756 426483 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