Melarhaphe neritoides: Population traits

at T = 12 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.447355 0.869808 0.934904 0.934904 1 1 scaled functional response
r 1/d 0 0 0.00513376 3.60109e-05 0.00622621 8.36991e-05 spec pop growth rate
t2 d NaN NaN 135.017 19248.3 111.327 8281.42 population doubling time
a_b d 4.96022 4.51915 4.47171 4.47171 4.4276 4.4276 age at birth
t_j d 376.352 179.683 166.429 166.429 155.026 155.026 time since birth at metam
t_p d 6012.78 1219.32 1104.2 1104.2 1009.72 1009.72 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.895077 0.999999 0.888233 0.999999 0.881544 survival probability at metam
S_p - 0.998967 0.0121864 0.999813 0.0121393 0.999838 0.0120986 survival probability at puberty
theta_0b - 0.00100059 0.0957567 0.0224604 0.102065 0.0269177 0.108257 frac of ind that is embryo
theta_bj - 0.00101802 0.0917022 0.022195 0.0973169 0.0264663 0.102777 frac of ind between b and j
theta_jp - 0.0761908 0.771622 0.539572 0.76177 0.576111 0.752127 frac of ind between j and p
theta_pi - 0.921791 0.0409195 0.415773 0.0388479 0.370505 0.0368395 frac of ind that is adult
L_bi cm 0.115557 0.0138168 0.0369622 0.0135662 0.0329347 0.013276 mean structural length of post-natals
L2_bi cm^2 0.0153041 0.00101193 0.00270832 0.000985662 0.00218219 0.000938796 mean squared structural length of post-natals
L3_bi cm^3 0.00212465 0.000214717 0.00028472 0.000218682 0.000213321 0.000214977 mean cubed structural length of post-natals
Ww_bi g 0.00214864 0.00021943 0.000291438 0.000223842 0.000218705 0.000220403 mean wet weight of post-natals
L_pi cm 0.124032 0.111557 0.069163 0.110532 0.0654162 0.108378 mean structural length of adults
L2_pi cm^2 0.0165657 0.0203498 0.00609046 0.0206752 0.00540561 0.0205149 mean squared structural length of adults
L3_pi cm^3 0.00230222 0.00472031 0.000664405 0.00502895 0.000554422 0.00517686 mean cubed structural length of adults
Ww_pi g 0.00232822 0.00482394 0.000680082 0.00514762 0.000568416 0.00530752 mean wet weight of adults
R 1/d 0 0.703806 0 0.858781 0 0.970796 mean reproduction rate of adults
J_X g/d 0.000237719 2.9567e-05 8.8328e-05 3.09468e-05 7.58233e-05 3.14726e-05 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.328125 0.328125 0.328125 0.328125 0.328125 0.328125 yield of faeces on food
Y_VX mol/mol 0 0 0.0165484 0.000254466 0.0175168 0.000571716 yield of living structure on food
Y_VX_d mol/mol 0.00300443 0.00715345 3.34237e-05 0.00736185 2.2602e-05 0.00760789 yield of dead structure on food
Y_EX mol/mol 0 0 0.000390488 6.00458e-06 0.00044212 1.443e-05 yield of living reserve on food
Y_EX_d mol/mol 3.39235e-05 0.000157045 7.88692e-07 0.000173716 5.70469e-07 0.000192022 yield of dead reserve on food
Y_CX mol/mol 0.668837 0.664565 0.654902 0.664079 0.653893 0.663489 yield of CO2 on food
Y_HX mol/mol 0.483049 0.479963 0.472985 0.479613 0.472256 0.479186 yield of H2O on food
Y_OX mol/mol -0.72736 -0.722714 -0.712206 -0.722186 -0.711109 -0.721544 yield of O2 on food
Y_NX mol/mol 0.100325 0.0996847 0.0982353 0.0996118 0.0980839 0.0995233 yield of N-waste on food
mu_TX J/mol 365979 363837 358994 363593 358487 363297 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