Pteroplatytrygon violacea: Population traits

at T = 24.8 °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: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.425642 0.425642 0.480524 0.480524 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00279393 0.00279393 0.000743851 0.000743851 spec pop growth rate
t2 d NaN NaN NaN NaN 248.09 248.09 931.836 931.836 population doubling time
a_b d 152.233 162.102 149.279 158.703 134.659 141.312 134.659 141.312 age at birth
t_p d 2390.67 NaN 1395.48 NaN 477.995 704.145 477.995 704.145 time since birth at puberty
S_b - 0.999937 0.999892 0.999941 0.999898 0.999956 0.999927 0.999956 0.999927 survival probability at birth
S_p - 0.999593 0.99922 0.612045 0.72996 0.999761 0.999576 0.444932 0.518209 survival probability at puberty
theta_0b - 0.0347894 0.0441508 0.144728 0.10808 0.313967 0.326926 0.394917 0.345048 frac of ind that is embryo
theta_bp - 0.0348061 0.0441815 0.112494 0.0919267 0.215547 0.220311 0.238176 0.223242 fraction of individuals that is juvenile
theta_pi - 0.930405 0.911668 0.742778 0.799994 0.470486 0.452763 0.366907 0.43171 frac of ind that is adult
L_bi cm 9.64814 6.89209 9.5291 7.27675 9.34801 7.96241 9.63909 8.66701 mean structural length of post-natals
L2_bi cm^2 95.5799 48.0979 97.5717 54.4932 102.008 70.389 118.529 87.9725 mean squared structural length of post-natals
L3_bi cm^3 964.187 339.056 1048.9 417.4 1278.8 686.608 1794.77 1023.04 mean cubed structural length of post-natals
Ww_bi g 1705.22 519.393 1958.97 668.031 3587.85 1544.59 5035.47 2301.42 mean wet weight of post-natals
L_pi cm 9.82113 6.99548 10.2055 7.5585 11.0745 9.24451 12.3388 10.4215 mean structural length of adults
L2_pi cm^2 98.2076 49.3299 108.447 58.0746 134.287 90.7059 175.707 118.949 mean squared structural length of adults
L3_pi cm^3 995.458 350.244 1187.8 452.377 1781.86 945.155 2848.55 1474.13 mean cubed structural length of adults
Ww_pi g 1760.52 536.531 2218.4 724.011 4999.25 2126.21 7991.99 3316.18 mean wet weight of adults
R 1/d 0 0 0.00122996 0 0.00898692 0.00131834 0.0157544 0.00513934 mean reproduction rate of adults
J_X g/d 11.5167 4.01075 13.2726 5.12995 28.8769 13.7899 33.5537 17.2346 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 0.123728 0.139112 0.0397883 0.0441546 yield of living structure on food
Y_VX_d mol/mol 0.025307 0.0290697 0.0465712 0.0477097 0.000741685 0.00120427 0.0651798 0.0674393 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.223408 0.173833 0.0718431 0.0551752 yield of living reserve on food
Y_EX_d mol/mol 0.0194498 0.0154616 0.0404075 0.0286477 0.00133921 0.00150485 0.117691 0.0842716 yield of dead reserve on food
Y_CX mol/mol 0.782428 0.782637 0.743373 0.753198 0.500803 0.531848 0.551414 0.591616 yield of CO2 on food
Y_HX mol/mol 0.671995 0.672174 0.638452 0.64689 0.430119 0.456783 0.473587 0.508114 yield of H2O on food
Y_OX mol/mol -0.919882 -0.920127 -0.873965 -0.885516 -0.588781 -0.625281 -0.648284 -0.695548 yield of O2 on food
Y_NX mol/mol 0.0634401 0.063457 0.0602735 0.0610701 0.0406056 0.0431228 0.0447092 0.0479688 yield of N-waste on food
mu_TX J/mol 441409 441720 419637 425438 281700 300645 310318 334155 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