Euspira nitida: Population traits

at T = 16 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.170248 0.182987 0.591494 0.591494 1 1 scaled functional response
r 1/d 0 0 0.0523753 0.00420897 0.0775246 0.00550243 spec pop growth rate
t2 d NaN NaN 13.2342 164.683 8.941 125.971 population doubling time
a_b d 10.646 10.5204 8.7904 8.7904 8.24266 8.24266 age at birth
t_j d 144.648 126.764 34.0496 34.0496 24.2342 24.2342 time since birth at metam
t_p d 420.546 1020 104.347 104.347 70.2506 70.2506 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.690534 1 0.277659 1 0.181173 survival probability at metam
S_p - 0.999931 0.0115421 0.999998 0.00698951 0.999999 0.00658767 survival probability at puberty
theta_0b - 0.00445349 0.225282 0.368876 0.569357 0.47212 0.639332 frac of ind that is embryo
theta_bj - 0.00445893 0.188496 0.232865 0.310651 0.249257 0.294769 frac of ind between b and j
theta_jp - 0.0561234 0.413572 0.292184 0.11092 0.197973 0.0596677 frac of ind between j and p
theta_pi - 0.934964 0.172651 0.106075 0.00907214 0.0806503 0.00623153 frac of ind that is adult
L_bi cm 0.107965 0.0447735 0.051369 0.0272091 0.0506803 0.0268482 mean structural length of post-natals
L2_bi cm^2 0.0120439 0.00382663 0.00522607 0.00204897 0.00532235 0.00219879 mean squared structural length of post-natals
L3_bi cm^3 0.00135739 0.000433713 0.000848961 0.000550626 0.000948804 0.000856653 mean cubed structural length of post-natals
Ww_bi g 0.00169264 0.00054885 0.00157747 0.00102312 0.00232529 0.00209945 mean wet weight of post-natals
L_pi cm 0.112683 0.122852 0.147587 0.228418 0.154102 0.242483 mean structural length of adults
L2_pi cm^2 0.0127305 0.0151916 0.0247873 0.0693354 0.0276911 0.0924642 mean squared structural length of adults
L3_pi cm^3 0.00144097 0.00188704 0.00474345 0.0252475 0.00585654 0.0484563 mean cubed structural length of adults
Ww_pi g 0.00179688 0.00238799 0.00881387 0.0469127 0.014353 0.118755 mean wet weight of adults
R 1/d 0 0.35305 4.55737 17.3221 5.86611 28.6626 mean reproduction rate of adults
J_X g/d 0.000114802 3.77227e-05 0.000192956 6.79514e-05 0.000337999 0.000126846 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 0.23044 0.0341063 0.217621 0.0371605 yield of living structure on food
Y_VX_d mol/mol 0.00545212 0.0219244 1.31617e-06 0.0914575 4.76321e-07 0.0927597 yield of dead structure on food
Y_EX mol/mol 0 0 0.197743 0.029267 0.315715 0.0539108 yield of living reserve on food
Y_EX_d mol/mol 0.00134661 0.00582028 1.12942e-06 0.0784808 6.91026e-07 0.134572 yield of dead reserve on food
Y_CX mol/mol 0.883826 0.86288 0.46244 0.657313 0.357288 0.572222 yield of CO2 on food
Y_HX mol/mol 0.638319 0.623191 0.333984 0.474726 0.258041 0.413272 yield of H2O on food
Y_OX mol/mol -0.961161 -0.938382 -0.502903 -0.714828 -0.388551 -0.622292 yield of O2 on food
Y_NX mol/mol 0.132574 0.129432 0.0693659 0.098597 0.0535932 0.0858333 yield of N-waste on food
mu_TX J/mol 469033 458337 248520 350457 190046 303875 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