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: 2025/06/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.245599 0.267678 0.633839 0.633839 1 1 scaled functional response
r 1/d 0 0 0.396938 0.0416826 0.503008 0.0510371 spec pop growth rate
t2 d NaN NaN 1.74624 16.6292 1.378 13.5812 population doubling time
a_b d 3.94713 3.91175 3.65154 3.65154 3.57009 3.57009 age at birth
t_p d 133.435 67.7999 15.2368 15.2368 12.1185 12.1185 time since birth at puberty
S_b - 0.999774 0.999782 0.999836 0.999836 0.99985 0.99985 survival probability at birth
S_p - 0.996947 0.7092 0.998873 0.177893 0.999108 0.115064 survival probability at puberty
theta_0b - 0.0747861 0.261434 0.765433 0.669267 0.834069 0.719472 frac of ind that is embryo
theta_bp - 0.0747048 0.221327 0.17959 0.279477 0.138414 0.252977 fraction of individuals that is juvenile
theta_pi - 0.850509 0.517239 0.0549774 0.0512552 0.0275175 0.0275517 frac of ind that is adult
L_bi cm 0.0472554 0.0438696 0.052847 0.0471969 0.0542334 0.0481838 mean structural length of post-natals
L2_bi cm^2 0.00255706 0.00231618 0.00387823 0.00292439 0.00413664 0.00307701 mean squared structural length of post-natals
L3_bi cm^3 0.000165598 0.000169225 0.000484033 0.000328488 0.000548256 0.000367312 mean cubed structural length of post-natals
Ww_bi g 0.000869656 0.000953389 0.00579511 0.00393284 0.0100392 0.00672595 mean wet weight of post-natals
L_pi cm 0.0487061 0.0489843 0.0925506 0.0867703 0.109195 0.104151 mean structural length of adults
L2_pi cm^2 0.00269864 0.00287091 0.0109926 0.00994925 0.0151183 0.0144346 mean squared structural length of adults
L3_pi cm^3 0.00017759 0.00022768 0.00182666 0.00174428 0.00284341 0.00297008 mean cubed structural length of adults
Ww_pi g 0.000932636 0.00128271 0.0218698 0.0208834 0.0520664 0.0543859 mean wet weight of adults
R 1/d 0 0 5.60905 5.30237 7.02247 7.37263 mean reproduction rate of adults
J_X g/d 0.00091756 0.00101256 0.00643344 0.00436604 0.011287 0.00756191 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 0.0298644 0.00313608 0.0244331 0.00247908 yield of living structure on food
Y_VX_d mol/mol 0.00734201 0.0143336 6.67344e-05 0.0217174 3.34176e-05 0.0173298 yield of dead structure on food
Y_EX mol/mol 0 0 0.327689 0.0344108 0.422968 0.0429159 yield of living reserve on food
Y_EX_d mol/mol 0.0312155 0.0664198 0.000732246 0.238296 0.0005785 0.300001 yield of dead reserve on food
Y_CX mol/mol 0.692305 0.658021 0.432472 0.481865 0.359622 0.428918 yield of CO2 on food
Y_HX mol/mol 0.742245 0.705488 0.463669 0.516626 0.385564 0.459859 yield of H2O on food
Y_OX mol/mol -0.878695 -0.83518 -0.548906 -0.611598 -0.456444 -0.544396 yield of O2 on food
Y_NX mol/mol 0.159763 0.151851 0.0998012 0.1112 0.0829898 0.0989812 yield of N-waste on food
mu_TX J/mol 443864 421392 272033 304658 223266 269161 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