Pteria hirundo: Population traits

at T = 22 °C with background hazards for embryo, larva, 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 abj f_minf f_max date: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.36743 0.36743 0.683715 0.683715 1 1 scaled functional response
r 1/d 0 0 0.0245123 0.00593353 0.0356526 0.00837847 spec pop growth rate
t2 d NaN NaN 28.2775 116.819 19.4417 82.7295 population doubling time
a_b d 0.443854 0.443854 0.403615 0.403615 0.383367 0.383367 age at birth
t_j d 0.0671288 0.0671288 0.0432247 0.0432247 0.0344483 0.0344483 time since birth at metam
t_p d 2124.29 2124.29 564.447 564.447 396.277 396.277 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.862584 1 0.862491 1 0.862459 survival probability at metam
S_p - 1 0.529442 1 0.433215 1 0.3836 survival probability at puberty
theta_0b - 0.000108497 0.2542 0.0096805 0.336998 0.0133526 0.378448 frac of ind that is embryo
theta_bj - 1.66903e-05 0.0363512 0.00104873 0.0340801 0.00121103 0.0320906 frac of ind between b and j
theta_jp - 9.36658e-05 0.148298 0.00870078 0.186643 0.0121828 0.200839 frac of ind between j and p
theta_pi - 0.999781 0.561151 0.98057 0.442279 0.973254 0.388623 frac of ind that is adult
L_bi cm 0.80253 0.035268 0.118349 0.0127056 0.10538 0.0122988 mean structural length of post-natals
L2_bi cm^2 0.680095 0.0189303 0.0256906 0.00132779 0.0208328 0.00118534 mean squared structural length of post-natals
L3_bi cm^3 0.587783 0.0151496 0.00785728 0.000525821 0.00593786 0.00045957 mean cubed structural length of post-natals
Ww_bi g 0.810067 0.0208788 0.0133865 0.000895846 0.0120493 0.000932579 mean wet weight of post-natals
L_pi cm 0.802618 0.0459085 0.119495 0.0175127 0.106786 0.0177758 mean structural length of adults
L2_pi cm^2 0.680171 0.0251566 0.025946 0.00198567 0.0211194 0.0018897 mean squared structural length of adults
L3_pi cm^3 0.587848 0.0201346 0.0079354 0.000788222 0.00601957 0.000735004 mean cubed structural length of adults
Ww_pi g 0.810157 0.027749 0.0135196 0.0013429 0.0122152 0.0014915 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0086026 0.000239452 0.000604716 3.12539e-05 0.000717224 4.0808e-05 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 0.318497 0.0998267 0.295166 0.0943565 yield of living structure on food
Y_VX_d mol/mol 0.0212203 0.05182 9.06625e-06 0.198527 3.65294e-06 0.187554 yield of dead structure on food
Y_EX mol/mol 0 0 0.224129 0.0702489 0.303797 0.0971157 yield of living reserve on food
Y_EX_d mol/mol 0.00802498 0.019597 6.37999e-06 0.139705 3.75976e-06 0.193039 yield of dead reserve on food
Y_CX mol/mol 0.86138 0.819208 0.347984 0.382318 0.291654 0.318559 yield of CO2 on food
Y_HX mol/mol 0.624979 0.594381 0.252482 0.277393 0.211611 0.231133 yield of H2O on food
Y_OX mol/mol -0.93675 -0.890889 -0.378432 -0.415771 -0.317174 -0.346433 yield of O2 on food
Y_NX mol/mol 0.129207 0.122881 0.0521976 0.0573477 0.0437481 0.0477839 yield of N-waste on food
mu_TX J/mol 457476 435812 189973 207849 157825 171959 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