Margaritifera margaritifera: Population traits

at T = 17 °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: 2025/05/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.290479 0.290479 0.64524 0.64524 1 1 scaled functional response
r 1/d 0 0 0.00406751 0.000688412 0.00465969 0.000728458 spec pop growth rate
t2 d NaN NaN 170.411 1006.88 148.754 951.527 population doubling time
a_b d 6.07449 6.07449 5.84531 5.84531 5.77053 5.77053 age at birth
t_j d 0.00133222 0.00133222 0.00113625 0.00113625 0.00107938 0.00107938 time since birth at metam
t_p d 8004.43 8004.43 2761.51 2761.51 2366.79 2366.79 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.99948 1 0.99948 1 0.99948 survival probability at metam
S_p - 1 0.312321 1 0.279373 1 0.269202 survival probability at puberty
theta_0b - 5.51978e-05 0.398723 0.0232552 0.473577 0.0262636 0.483822 frac of ind that is embryo
theta_bj - 1.22283e-08 8.83086e-05 4.51424e-06 9.28298e-05 4.89749e-06 9.12395e-05 frac of ind between b and j
theta_jp - 5.5745e-05 0.22492 0.0229445 0.251926 0.0258289 0.252593 frac of ind between j and p
theta_pi - 0.999889 0.376269 0.953796 0.274404 0.947903 0.263494 frac of ind that is adult
L_bi cm 0.711503 0.115041 0.0916251 0.0128431 0.0863103 0.0126919 mean structural length of post-natals
L2_bi cm^2 0.511341 0.0748111 0.0155034 0.00142406 0.0140155 0.00142019 mean squared structural length of post-natals
L3_bi cm^3 0.368746 0.0532132 0.00373752 0.000593236 0.00330514 0.000648112 mean cubed structural length of post-natals
Ww_bi g 1.58464 0.228676 0.0311126 0.00493833 0.0408232 0.00800512 mean wet weight of post-natals
L_pi cm 0.711542 0.181853 0.0937423 0.0215173 0.0885624 0.0215769 mean structural length of adults
L2_pi cm^2 0.51137 0.119541 0.0158761 0.00272098 0.0143971 0.00277045 mean squared structural length of adults
L3_pi cm^3 0.368767 0.0850345 0.00382745 0.00113804 0.00339521 0.00126959 mean cubed structural length of adults
Ww_pi g 1.58472 0.365424 0.0318612 0.00947347 0.0419358 0.0156813 mean wet weight of adults
R 1/d 96.9265 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00296112 0.000433223 0.000199425 1.83181e-05 0.000279408 2.83125e-05 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 0.0762314 0.0222944 0.0551198 0.0166754 yield of living structure on food
Y_VX_d mol/mol 0.0011872 0.00339534 7.48517e-09 0.0443202 3.83266e-09 0.0331674 yield of dead structure on food
Y_EX mol/mol 0 0 0.558349 0.163293 0.62569 0.18929 yield of living reserve on food
Y_EX_d mol/mol 0.00391464 0.0111957 5.48244e-08 0.324619 4.35063e-08 0.376498 yield of dead reserve on food
Y_CX mol/mol 0.885523 0.876034 0.256044 0.336098 0.209816 0.274995 yield of CO2 on food
Y_HX mol/mol 0.642496 0.635611 0.185774 0.243858 0.152233 0.199524 yield of H2O on food
Y_OX mol/mol -0.963006 -0.952687 -0.278448 -0.365507 -0.228174 -0.299057 yield of O2 on food
Y_NX mol/mol 0.132828 0.131405 0.0384067 0.0504148 0.0314723 0.0412492 yield of N-waste on food
mu_TX J/mol 469753 464645 127292 170841 100811 136395 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