Lepidurus arcticus: Population traits

at T = 15 °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: 2024/01/31
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.114017 0.114017 0.15377 0.15377 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.551525 0.551525 0.0940647 0.0940647 spec pop growth rate
t2 d NaN NaN NaN NaN 1.25678 1.25678 7.36883 7.36883 population doubling time
a_b d 1.25658 1.27427 1.20522 1.22099 1.02119 1.02583 1.02119 1.02583 age at birth
t_p d 10.1073 12.198 6.31554 7.22142 1.93952 1.98831 1.93952 1.98831 time since birth at puberty
S_b - 0.999459 0.999378 0.999525 0.999456 0.99971 0.999677 0.99971 0.999677 survival probability at birth
S_p - 0.995779 0.994964 0.634848 0.669311 0.998567 0.998389 0.313351 0.319641 survival probability at puberty
theta_0b - 0.0860797 0.0924149 0.189924 0.180312 0.431985 0.433611 0.505181 0.499841 frac of ind that is embryo
theta_bp - 0.0860037 0.0923039 0.149954 0.146294 0.245844 0.246119 0.257667 0.257237 fraction of individuals that is juvenile
theta_pi - 0.827917 0.815281 0.660122 0.673394 0.322171 0.32027 0.237151 0.242921 frac of ind that is adult
L_bi cm 0.0339075 0.0313173 0.0401823 0.0376344 0.0580213 0.0568682 0.0599153 0.0591988 mean structural length of post-natals
L2_bi cm^2 0.00116255 0.000988103 0.00168122 0.00146052 0.00421021 0.00400736 0.00530048 0.00507228 mean squared structural length of post-natals
L3_bi cm^3 4.02422e-05 3.1384e-05 7.26885e-05 5.81546e-05 0.000376888 0.000345513 0.00066824 0.000606937 mean cubed structural length of post-natals
Ww_bi g 7.29999e-05 5.45948e-05 0.000152487 0.00011616 0.00306763 0.0025867 0.00543906 0.00454385 mean wet weight of post-natals
L_pi cm 0.0347222 0.0319711 0.0430714 0.0399456 0.0758148 0.074083 0.088542 0.0865255 mean structural length of adults
L2_pi cm^2 0.00121263 0.00102603 0.00189106 0.00161896 0.00647879 0.00614982 0.00980061 0.00923044 mean squared structural length of adults
L3_pi cm^3 4.25742e-05 3.30447e-05 8.44346e-05 6.64721e-05 0.000629947 0.000577043 0.00134963 0.00120691 mean cubed structural length of adults
Ww_pi g 7.72303e-05 5.74838e-05 0.000177129 0.000132774 0.00512738 0.00432005 0.0109851 0.00903558 mean wet weight of adults
R 1/d 0.191129 0.151193 0.355797 0.288112 1.12345 1.10853 2.11507 2.04283 mean reproduction rate of adults
J_X g/d 9.87133e-05 7.62284e-05 0.000192525 0.000151957 0.00313542 0.00271145 0.00394736 0.00343199 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 0.0662952 0.0702795 0.015924 0.0166351 yield of living structure on food
Y_VX_d mol/mol 0.0374568 0.0390869 0.0587227 0.0592847 0.00120347 0.00139887 0.0428369 0.0454478 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.473307 0.45587 0.113688 0.107904 yield of living reserve on food
Y_EX_d mol/mol 0.0304904 0.0289078 0.0644671 0.0591326 0.00859206 0.00907383 0.305829 0.294798 yield of dead reserve on food
Y_CX mol/mol 0.822678 0.82263 0.767435 0.772208 0.341228 0.354003 0.412347 0.42584 yield of CO2 on food
Y_HX mol/mol 0.593242 0.593208 0.553406 0.556848 0.246063 0.255275 0.297348 0.307078 yield of H2O on food
Y_OX mol/mol -0.894662 -0.894611 -0.834586 -0.839776 -0.371085 -0.384978 -0.448428 -0.463101 yield of O2 on food
Y_NX mol/mol 0.123402 0.123395 0.115115 0.115831 0.0511842 0.0531004 0.0618521 0.063876 yield of N-waste on food
mu_TX J/mol 437002 437057 407682 410335 173706 180942 212385 219972 yield of heat on food

Remarks

  • Reprod-code A applies. Data concerns population of females only.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer