Macoma balthica: 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.162935 0.461985 0.730992 0.730992 1 1 scaled functional response
r 1/d 0 0 0.0598418 0.000280299 0.0804624 0.000477098 spec pop growth rate
t2 d NaN NaN 11.583 2472.88 8.61455 1452.84 population doubling time
a_b d 4.69839 3.95266 3.66341 3.66341 3.48458 3.48458 age at birth
t_j d 187.356 49.481 31.9458 31.9458 24.5262 24.5262 time since birth at metam
t_p d 912.252 157.78 94.8542 94.8542 70.8752 70.8752 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.567609 1 0.440457 1 0.360776 survival probability at metam
S_p - 0.999947 0.000833886 0.999999 0.000784893 0.999999 0.000764969 survival probability at puberty
theta_0b - 0.00158312 0.358704 0.196695 0.449384 0.244347 0.504318 frac of ind that is embryo
theta_bj - 0.00158777 0.27429 0.158138 0.306728 0.184758 0.31603 frac of ind between b and j
theta_jp - 0.0617254 0.359537 0.526415 0.240579 0.465875 0.17753 frac of ind between j and p
theta_pi - 0.935104 0.00746955 0.118752 0.00330853 0.10502 0.00212209 frac of ind that is adult
L_bi cm 0.12293 0.0142025 0.0392175 0.0129076 0.0382955 0.0123268 mean structural length of post-natals
L2_bi cm^2 0.0158491 0.00183578 0.00470376 0.00188868 0.00465025 0.00192839 mean squared structural length of post-natals
L3_bi cm^3 0.00206434 0.000713991 0.000956188 0.00116035 0.000993454 0.00160172 mean cubed structural length of post-natals
Ww_bi g 0.00220598 0.000852892 0.00125052 0.00151753 0.0014118 0.0022762 mean wet weight of post-natals
L_pi cm 0.129565 0.365661 0.153289 0.480118 0.155856 0.530762 mean structural length of adults
L2_pi cm^2 0.016864 0.14706 0.028411 0.293639 0.0298243 0.421264 mean squared structural length of adults
L3_pi cm^3 0.00220167 0.0611134 0.00632414 0.192742 0.00699398 0.373613 mean cubed structural length of adults
Ww_pi g 0.00235273 0.0730025 0.00827083 0.252072 0.00993914 0.530941 mean wet weight of adults
R 1/d 0 25.0715 5.56905 76.1125 7.25725 139.563 mean reproduction rate of adults
J_X g/d 0.000105272 3.76689e-05 0.00015666 6.26133e-05 0.000213455 8.82697e-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 0.365249 0.00519451 0.374485 0.0086573 yield of living structure on food
Y_VX_d mol/mol 0.00738243 0.0264469 1.03638e-06 0.0303445 5.3343e-07 0.0336773 yield of dead structure on food
Y_EX mol/mol 0 0 0.112431 0.00159898 0.157695 0.00364558 yield of living reserve on food
Y_EX_d mol/mol 0.000506522 0.00514502 3.1902e-07 0.00934066 2.24627e-07 0.0141815 yield of dead reserve on food
Y_CX mol/mol 0.882736 0.859033 0.412944 0.844146 0.358444 0.830463 yield of CO2 on food
Y_HX mol/mol 0.640474 0.623276 0.299613 0.612475 0.260071 0.602547 yield of H2O on food
Y_OX mol/mol -0.959975 -0.934198 -0.449076 -0.918009 -0.389807 -0.903129 yield of O2 on food
Y_NX mol/mol 0.13241 0.128855 0.0619415 0.126622 0.0537665 0.124569 yield of N-waste on food
mu_TX J/mol 468530 456447 228038 448714 198525 441528 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