Lobatus gigas: Population traits

at T = 27 °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 - 0.841001 0.841001 0.920501 0.920501 1 1 scaled functional response
r 1/d 0 0 0.00798998 0.000919528 0.0107176 0.00131531 spec pop growth rate
t2 d NaN NaN 86.7521 753.808 64.6739 526.984 population doubling time
a_b d 4.02358 4.02358 3.96581 3.96581 3.91423 3.91423 age at birth
t_j d 22.577 22.577 21.0476 21.0476 19.7656 19.7656 time since birth at metam
t_p d 2609.47 2609.47 1460.08 1460.08 1154.38 1154.38 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.381108 1 0.360573 1 0.342246 survival probability at metam
S_p - 1 0.00445849 1 0.00445497 1 0.00445215 survival probability at puberty
theta_0b - 0.000351098 0.486687 0.0311242 0.503472 0.0409997 0.516545 frac of ind that is embryo
theta_bj - 0.000351895 0.312946 0.0302192 0.315246 0.0393989 0.316072 frac of ind between b and j
theta_jp - 0.00162265 0.190454 0.119753 0.174607 0.143679 0.161101 frac of ind between j and p
theta_pi - 0.997674 0.00991284 0.818904 0.00667499 0.775922 0.00628233 frac of ind that is adult
L_bi cm 5.45129 0.0690288 1.07307 0.0393308 0.879486 0.0381227 mean structural length of post-natals
L2_bi cm^2 30.4482 0.185614 2.08395 0.0213226 1.47577 0.0160984 mean squared structural length of post-natals
L3_bi cm^3 171.448 1.0037 5.27202 0.0847706 3.32209 0.0593365 mean cubed structural length of post-natals
Ww_bi g 240.76 1.40947 7.60483 0.122281 4.91904 0.0878598 mean wet weight of post-natals
L_pi cm 5.46196 1.9941 1.25891 0.644737 1.07333 0.573913 mean structural length of adults
L2_pi cm^2 30.5085 9.55397 2.46481 1.50311 1.82297 1.15304 mean squared structural length of adults
L3_pi cm^3 171.787 51.9715 6.23746 6.30198 4.10585 4.56231 mean cubed structural length of adults
Ww_pi g 241.236 72.9821 8.99747 9.09053 6.07955 6.75543 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 2.17025 0.0131789 0.162603 0.00160769 0.125112 0.00130395 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 0.259056 0.048485 0.284584 0.0598534 yield of living structure on food
Y_VX_d mol/mol 0.00757645 0.0200604 1.4742e-06 0.102385 7.88036e-07 0.126516 yield of dead structure on food
Y_EX mol/mol 0 0 0.114629 0.021454 0.136801 0.0287718 yield of living reserve on food
Y_EX_d mol/mol 0.00306295 0.00810987 6.52317e-07 0.0453041 3.78812e-07 0.060817 yield of dead reserve on food
Y_CX mol/mol 0.879986 0.862455 0.516938 0.672997 0.469239 0.614667 yield of CO2 on food
Y_HX mol/mol 0.635545 0.622884 0.373344 0.486053 0.338895 0.443926 yield of H2O on food
Y_OX mol/mol -0.956984 -0.93792 -0.56217 -0.731884 -0.510297 -0.66845 yield of O2 on food
Y_NX mol/mol 0.131998 0.129368 0.0775407 0.10095 0.0703858 0.0922 yield of N-waste on food
mu_TX J/mol 467027 458009 279925 360348 254967 330041 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