Chelonia mydas: Population traits

at T = 23 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.754886 0.757639 0.87882 0.87882 1 1 scaled functional response
r 1/d 0 0 0.00115998 0.000320979 0.00158768 0.000453984 spec pop growth rate
t2 d NaN NaN 597.552 2159.48 436.578 1526.81 population doubling time
a_b d 64.3999 64.3658 63.0211 63.0211 61.9222 61.9222 age at birth
t_p d 24864.5 13156.8 4915.89 4915.89 3729.81 3729.81 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.491349 1 0.467434 1 0.447873 survival probability at puberty
theta_0b - 0.0020521 0.193038 0.0704486 0.324506 0.0935765 0.352401 frac of ind that is embryo
theta_bp - 0.00205384 0.135205 0.065532 0.217513 0.0848744 0.229532 fraction of individuals that is juvenile
theta_pi - 0.995894 0.671757 0.864019 0.457981 0.821549 0.418067 frac of ind that is adult
L_bi cm 35.4356 19.5409 13.2364 7.77672 11.7361 7.08241 mean structural length of post-natals
L2_bi cm^2 1296.04 618.235 245.362 124.68 197.535 101.429 mean squared structural length of post-natals
L3_bi cm^3 47995.8 21985.1 5589.03 3214.08 4214.72 2478.46 mean cubed structural length of post-natals
Ww_bi g 89962 41278.4 11278.2 6485.76 9096.55 5349.22 mean wet weight of post-natals
L_pi cm 35.5029 22.9224 14.0254 10.154 12.6523 9.43426 mean structural length of adults
L2_pi cm^2 1298.7 741.14 263.355 180.203 217.081 152.758 mean squared structural length of adults
L3_pi cm^3 48094.7 26405.8 6011.14 4730.1 4647.61 3826.68 mean cubed structural length of adults
Ww_pi g 90147.4 49578.5 12130 9544.97 10030.9 8259.07 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 204.512 97.9117 45.0739 22.9042 41.2916 21.2022 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 yield of faeces on food
Y_VX mol/mol 0 0 0.143834 0.0450421 0.162058 0.0530689 yield of living structure on food
Y_VX_d mol/mol 0.0086072 0.0221796 2.81291e-05 0.0825633 1.40306e-05 0.0963396 yield of dead structure on food
Y_EX mol/mol 0 0 0.146412 0.0458494 0.187709 0.0614689 yield of living reserve on food
Y_EX_d mol/mol 0.0075259 0.019464 2.86332e-05 0.0840431 1.62515e-05 0.111589 yield of dead reserve on food
Y_CX mol/mol 0.710525 0.689797 0.487762 0.514416 0.439423 0.461629 yield of CO2 on food
Y_HX mol/mol 0.755464 0.733426 0.518612 0.546952 0.467215 0.490826 yield of H2O on food
Y_OX mol/mol -0.90182 -0.875512 -0.619083 -0.652912 -0.557729 -0.585914 yield of O2 on food
Y_NX mol/mol 0.163967 0.159184 0.112561 0.118711 0.101405 0.10653 yield of N-waste on food
mu_TX J/mol 456056 442937 314534 331463 283267 297415 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer