Spisula subtruncata: Population traits

at T = 15 °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: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.166925 0.186908 0.593454 0.593454 1 1 scaled functional response
r 1/d 0 0 0.0354519 0.00573131 0.0621658 0.0098134 spec pop growth rate
t2 d NaN NaN 19.5518 120.94 11.15 70.6327 population doubling time
a_b d 2.2767 2.24003 1.87704 1.87704 1.72213 1.72213 age at birth
t_j d 146.318 129.132 39.1431 39.1431 23.7364 23.7364 time since birth at metam
t_p d 4585.52 1901.58 300.411 300.411 172.231 172.231 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.905218 0.999999 0.757044 0.999999 0.655785 survival probability at metam
S_p - 0.999205 0.00321139 0.999947 0.00301454 0.999981 0.00298125 survival probability at puberty
theta_0b - 0.00112364 0.0889123 0.0640468 0.223561 0.101137 0.305092 frac of ind that is embryo
theta_bj - 0.00113635 0.0855146 0.0602583 0.194214 0.0912596 0.245978 frac of ind between b and j
theta_jp - 0.0718689 0.813762 0.642057 0.57751 0.602091 0.444883 frac of ind between j and p
theta_pi - 0.925871 0.0118108 0.233638 0.00471533 0.205513 0.00404707 frac of ind that is adult
L_bi cm 0.161693 0.00766316 0.0252686 0.00666536 0.0236776 0.00664247 mean structural length of post-natals
L2_bi cm^2 0.0303279 0.000270978 0.00166629 0.000102894 0.00149333 0.000100459 mean squared structural length of post-natals
L3_bi cm^3 0.00596169 4.39062e-05 0.000181322 1.31707e-05 0.000160701 1.35795e-05 mean cubed structural length of post-natals
Ww_bi g 0.00616445 4.55782e-05 0.000203246 1.47632e-05 0.000193444 1.63463e-05 mean wet weight of post-natals
L_pi cm 0.17342 0.108374 0.0693365 0.0737322 0.0681821 0.0729047 mean structural length of adults
L2_pi cm^2 0.0327022 0.0172795 0.00621905 0.00941709 0.00603018 0.00940329 mean squared structural length of adults
L3_pi cm^3 0.00643144 0.0033519 0.000718131 0.0020978 0.000693852 0.00225774 mean cubed structural length of adults
Ww_pi g 0.00665018 0.00347955 0.000804964 0.00235146 0.000835223 0.00271775 mean wet weight of adults
R 1/d 0 0 0 0 0 29.1424 mean reproduction rate of adults
J_X g/d 0.000134017 1.19017e-06 2.61266e-05 1.15415e-06 3.94501e-05 1.88435e-06 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 0.24604 0.0654034 0.253234 0.07072 yield of living structure on food
Y_VX_d mol/mol 0.0367219 0.0831819 5.20051e-05 0.166137 1.63416e-05 0.176221 yield of dead structure on food
Y_EX mol/mol 0 0 0.02975 0.00790826 0.051596 0.0144091 yield of living reserve on food
Y_EX_d mol/mol 0.00124893 0.00316775 6.2882e-06 0.0200885 3.32957e-06 0.0359047 yield of dead reserve on food
Y_CX mol/mol 0.852654 0.804275 0.614777 0.631088 0.585775 0.59337 yield of CO2 on food
Y_HX mol/mol 0.618648 0.583546 0.446055 0.457889 0.425012 0.430523 yield of H2O on food
Y_OX mol/mol -0.927261 -0.874649 -0.66857 -0.686308 -0.637031 -0.64529 yield of O2 on food
Y_NX mol/mol 0.127898 0.120641 0.0922165 0.0946632 0.0878663 0.0890055 yield of N-waste on food
mu_TX J/mol 453452 429167 333088 341332 317495 321357 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