Coccinella septempunctata: Population traits

at T = 25 °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 abp f_minf f_max date: 2025/05/24
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.0320525 0.264498 0.632249 0.632249 1 1 scaled functional response
r 1/d 0 0 0.305182 0.0105293 0.399141 0.0170957 spec pop growth rate
t2 d NaN NaN 2.27126 65.8303 1.7366 40.5451 population doubling time
a_b d 5.42488 3.83651 3.35709 3.35709 3.16478 3.16478 age at birth
t_p d 436.011 34.7466 18.032 18.032 13.7998 13.7998 time since birth at puberty
S_b - 0.99934 0.999741 0.999818 0.999818 0.999844 0.999844 survival probability at birth
S_p - 0.995876 0.436709 0.99916 0.246498 0.999327 0.177957 survival probability at puberty
theta_0b - 0.0397742 0.451546 0.641045 0.592149 0.717236 0.645089 frac of ind that is embryo
theta_bp - 0.0399095 0.307469 0.230211 0.309195 0.202863 0.293532 fraction of individuals that is juvenile
theta_pi - 0.920316 0.240985 0.128744 0.0986563 0.0799011 0.0613785 frac of ind that is adult
L_bi cm 0.134697 0.116629 0.135362 0.115837 0.135494 0.11567 mean structural length of post-natals
L2_bi cm^2 0.0242036 0.0201084 0.0281972 0.0199093 0.0282726 0.0198673 mean squared structural length of post-natals
L3_bi cm^3 0.00655947 0.00737692 0.010809 0.00744184 0.0108676 0.00745966 mean cubed structural length of post-natals
Ww_bi g 0.00684784 0.0100531 0.0201824 0.0138953 0.0257735 0.0176913 mean wet weight of post-natals
L_pi cm 0.137246 0.156803 0.212066 0.193449 0.235296 0.219281 mean structural length of adults
L2_pi cm^2 0.0250033 0.0364575 0.0630542 0.0558581 0.0759259 0.0715214 mean squared structural length of adults
L3_pi cm^3 0.00682494 0.0159866 0.0286453 0.0282701 0.0360092 0.0388383 mean cubed structural length of adults
Ww_pi g 0.00712498 0.0217863 0.053486 0.0527855 0.0853991 0.0921086 mean wet weight of adults
R 1/d 0 0.325399 2.6802 2.6348 3.98262 4.34621 mean reproduction rate of adults
J_X g/d 0.000429805 0.00396073 0.0138472 0.00953358 0.0220054 0.0151048 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 0.238222 0.00821909 0.19712 0.0084429 yield of living structure on food
Y_VX_d mol/mol 0.223892 0.195619 0.00048802 0.142101 0.000255088 0.114392 yield of dead structure on food
Y_EX mol/mol 0 0 0.206583 0.00712749 0.270368 0.0115802 yield of living reserve on food
Y_EX_d mol/mol 0.00984297 0.0709673 0.000423204 0.123228 0.000349877 0.156899 yield of dead reserve on food
Y_CX mol/mol 0.533723 0.507031 0.361488 0.495584 0.343307 0.48694 yield of CO2 on food
Y_HX mol/mol 0.572224 0.543607 0.387564 0.531334 0.368072 0.522066 yield of H2O on food
Y_OX mol/mol -0.677418 -0.64354 -0.458811 -0.629011 -0.435736 -0.618039 yield of O2 on food
Y_NX mol/mol 0.123167 0.117007 0.0834202 0.114366 0.0792248 0.112371 yield of N-waste on food
mu_TX J/mol 349130 329948 235220 320064 221051 312935 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