Apalone spinifera: Population traits

at T = 24 °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: 2023/08/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.730678 0.730678 0.781932 0.781932 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000879922 0.000879922 0.000141341 0.000141341 spec pop growth rate
t2 d NaN NaN NaN NaN 787.737 787.737 4904.09 4904.09 population doubling time
a_b d 69.3664 71.384 68.5958 70.5796 65.9161 67.7718 65.9161 67.7718 age at birth
t_p d 16464.1 2756.09 7727.37 2485.66 4040.73 1798.57 4040.73 1798.57 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999998 0.999998 0.622686 0.65649 0.999998 0.999998 0.575462 0.608344 survival probability at puberty
theta_0b - 0.00338539 0.003691 0.126182 0.107518 0.0563242 0.0578641 0.218266 0.195064 frac of ind that is embryo
theta_bp - 0.00338953 0.00369599 0.0995651 0.0871267 0.0532026 0.0545731 0.164061 0.15073 fraction of individuals that is juvenile
theta_pi - 0.993225 0.992613 0.774253 0.805355 0.890473 0.887563 0.617674 0.654206 frac of ind that is adult
L_bi cm 15.85 13.34 10.7084 9.61855 9.16432 8.08463 7.59953 7.20783 mean structural length of post-natals
L2_bi cm^2 261.351 184.935 161.28 123.229 110.378 84.0779 102.631 85.5189 mean squared structural length of post-natals
L3_bi cm^3 4384.73 2609 2730.11 1755.64 1574.11 1026.92 1849.8 1312.65 mean cubed structural length of post-natals
Ww_bi g 5702.66 3269.17 3608.28 2231.03 2221.65 1382.54 2610.73 1767.23 mean wet weight of post-natals
L_pi cm 15.8967 13.3816 11.8059 10.4271 9.57786 8.44605 9.02924 8.36481 mean structural length of adults
L2_pi cm^2 262.227 185.606 181.41 136.061 116.67 88.9467 128.577 104.116 mean squared structural length of adults
L3_pi cm^3 4399.66 2618.68 3079.85 1944.49 1667.48 1089.39 2338.17 1612.65 mean cubed structural length of adults
Ww_pi g 5722.08 3281.29 4070.51 2471.02 2353.41 1466.65 3300.01 2171.1 mean wet weight of adults
R 1/d 0 0.0244398 0 0.0164384 0 0.00994226 0 0.0142468 mean reproduction rate of adults
J_X g/d 12.546 7.47356 8.28523 5.32922 7.25162 4.65012 6.74265 4.72982 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 0.191005 0.19432 0.0387758 0.0392259 yield of living structure on food
Y_VX_d mol/mol 0.0207498 0.0220113 0.0496066 0.051837 0.000321236 0.000387732 0.0821951 0.0832391 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0785724 0.0672929 0.0159509 0.0135839 yield of living reserve on food
Y_EX_d mol/mol 0.00623684 0.00556961 0.0159563 0.0140366 0.000132144 0.000134271 0.0338119 0.0288257 yield of dead reserve on food
Y_CX mol/mol 0.701706 0.701223 0.670363 0.670111 0.504233 0.510648 0.584912 0.589672 yield of CO2 on food
Y_HX mol/mol 0.746088 0.745574 0.712762 0.712494 0.536124 0.542946 0.621906 0.626968 yield of H2O on food
Y_OX mol/mol -0.890627 -0.890014 -0.850845 -0.850525 -0.639987 -0.648131 -0.742388 -0.74843 yield of O2 on food
Y_NX mol/mol 0.161932 0.161821 0.154699 0.154641 0.116361 0.117842 0.13498 0.136078 yield of N-waste on food
mu_TX J/mol 450793 450534 431371 431315 327871 332311 378058 381302 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