Bostrychus africanus: Population traits

at T = 26.5 °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: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.392167 0.392167 0.431419 0.431419 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0201883 0.0201883 0.00374208 0.00374208 spec pop growth rate
t2 d NaN NaN NaN NaN 34.3342 34.3342 185.23 185.23 population doubling time
a_b d 3.85746 4.04172 3.7993 3.97865 3.36818 3.49894 3.36818 3.49894 age at birth
t_p d 2389.78 NaN 1208.7 NaN 359.538 470.547 359.538 470.547 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999996 0.999994 0.553531 0.603921 0.999997 0.999996 0.424077 0.463757 survival probability at puberty
theta_0b - 0.00261057 0.00301965 0.235415 0.200745 0.0656285 0.0680998 0.363254 0.334078 frac of ind that is embryo
theta_bp - 0.00261563 0.00302556 0.175403 0.156234 0.0614416 0.0635822 0.234204 0.225099 fraction of individuals that is juvenile
theta_pi - 0.994774 0.993955 0.589182 0.643021 0.87293 0.868318 0.402542 0.440823 frac of ind that is adult
L_bi cm 0.944363 0.703916 0.21534 0.196846 0.29001 0.247626 0.129025 0.124462 mean structural length of post-natals
L2_bi cm^2 0.998598 0.555086 0.14739 0.103839 0.139547 0.0991616 0.0544551 0.0457914 mean squared structural length of post-natals
L3_bi cm^3 1.1067 0.459379 0.152096 0.0799389 0.0931519 0.0545484 0.0561954 0.0383587 mean cubed structural length of post-natals
Ww_bi g 1.54842 0.597132 0.218877 0.106309 0.187957 0.0962584 0.113388 0.0676893 mean wet weight of post-natals
L_pi cm 0.946739 0.705938 0.267395 0.235041 0.307301 0.262597 0.179012 0.16646 mean structural length of adults
L2_pi cm^2 1.00122 0.556771 0.190778 0.128685 0.149229 0.106284 0.0850399 0.0682528 mean squared structural length of adults
L3_pi cm^3 1.10961 0.460778 0.197356 0.0993462 0.099702 0.0585366 0.0888419 0.057906 mean cubed structural length of adults
Ww_pi g 1.55249 0.59895 0.284009 0.132119 0.201173 0.103296 0.17926 0.102183 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0198117 0.00827392 0.00321683 0.00170271 0.00705963 0.00376898 0.00275486 0.00174046 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 0.266384 0.292185 0.0763335 0.0824732 yield of living structure on food
Y_VX_d mol/mol 0.0613527 0.0678386 0.120743 0.131984 0.000330667 0.000482341 0.155432 0.169226 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.271111 0.223417 0.0776879 0.0630625 yield of living reserve on food
Y_EX_d mol/mol 0.0244874 0.0203426 0.0530153 0.0435391 0.000336534 0.000368818 0.15819 0.129398 yield of dead reserve on food
Y_CX mol/mol 0.804785 0.802444 0.716866 0.715102 0.352462 0.374172 0.422981 0.446465 yield of CO2 on food
Y_HX mol/mol 0.578998 0.577314 0.515746 0.514476 0.253577 0.269196 0.304311 0.321207 yield of H2O on food
Y_OX mol/mol -0.875204 -0.872658 -0.779592 -0.777673 -0.383303 -0.406912 -0.459992 -0.485531 yield of O2 on food
Y_NX mol/mol 0.120718 0.120367 0.10753 0.107265 0.0528693 0.0561258 0.0634471 0.0669698 yield of N-waste on food
mu_TX J/mol 428356 427392 382970 382561 189846 203084 226884 240797 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