Buccinum undatum: 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_min f_max date: 2023/09/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.715299 0.715299 0.81161 0.81161 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00403061 0.00403061 0.000170205 0.000170205 spec pop growth rate
t2 d NaN NaN NaN NaN 171.971 171.971 4072.43 4072.43 population doubling time
a_b d 3.78097 3.76966 3.71669 3.71024 3.62256 3.6129 3.62256 3.6129 age at birth
t_j d 2.42434 2.39192 2.24525 2.21671 1.99496 1.97183 1.99496 1.97183 time since birth at metam
t_p d 5894.65 4757.6 3102.35 2933.44 2074.83 2011.57 2074.83 2011.57 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.399821 0.399799 1 1 0.399627 0.399609 survival probability at metam
S_p - 1 1 0.277598 0.274995 1 1 0.256064 0.254004 survival probability at puberty
theta_0b - 0.000440915 0.000436263 0.444211 0.446929 0.0144406 0.0144021 0.474473 0.47686 frac of ind that is embryo
theta_bj - 0.000283534 0.000277628 0.176189 0.175518 0.00789356 0.00780267 0.171625 0.170944 frac of ind between b and j
theta_jp - 0.000158662 0.000159913 0.0587547 0.0598916 0.00639311 0.00644674 0.0684041 0.069223 frac of ind between j and p
theta_pi - 0.999117 0.999126 0.320845 0.317662 0.971273 0.971349 0.285498 0.282973 frac of ind that is adult
L_bi cm 2.41349 2.46624 0.18625 0.18658 0.694921 0.704164 0.129261 0.129246 mean structural length of post-natals
L2_bi cm^2 6.15176 6.4239 0.348683 0.356175 0.804631 0.827385 0.207249 0.210498 mean squared structural length of post-natals
L3_bi cm^3 15.9943 17.0681 0.948724 0.990158 1.21293 1.26684 0.619422 0.642017 mean cubed structural length of post-natals
Ww_bi g 27.2422 29.3344 1.70574 1.79757 2.4054 2.53965 1.2284 1.28706 mean wet weight of post-natals
L_pi cm 2.41455 2.46731 0.308227 0.310241 0.704829 0.714181 0.22112 0.221937 mean structural length of adults
L2_pi cm^2 6.15448 6.42672 0.603724 0.61983 0.81646 0.839516 0.381146 0.388804 mean squared structural length of adults
L3_pi cm^3 16.0014 17.0755 1.64344 1.72393 1.23077 1.28542 1.14018 1.18691 mean cubed structural length of adults
Ww_pi g 27.2543 29.3472 2.95478 3.12968 2.44079 2.57691 2.26115 2.37941 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.492039 0.525093 0.0316463 0.0330362 0.0899977 0.0945748 0.0231789 0.0240593 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.546875 0.546875 0.546875 0.546875 0.546875 0.546875 0.546875 0.546875 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0543218 0.0539905 0.00454847 0.00454188 yield of living structure on food
Y_VX_d mol/mol 0.00476003 0.00472476 0.0116592 0.0115653 1.73009e-05 1.68265e-05 0.0148173 0.0147265 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.053406 0.054245 0.00447178 0.00456329 yield of living reserve on food
Y_EX_d mol/mol 0.00334744 0.00339555 0.00930316 0.00943079 1.70093e-05 1.69058e-05 0.0145675 0.014796 yield of dead reserve on food
Y_CX mol/mol 0.445018 0.445005 0.432163 0.432129 0.345363 0.344856 0.41472 0.414497 yield of CO2 on food
Y_HX mol/mol 0.321402 0.321392 0.312117 0.312093 0.249429 0.249062 0.29952 0.299359 yield of H2O on food
Y_OX mol/mol -0.483957 -0.483943 -0.469977 -0.46994 -0.375582 -0.375031 -0.451008 -0.450766 yield of O2 on food
Y_NX mol/mol 0.0667526 0.0667507 0.0648244 0.0648193 0.0518044 0.0517284 0.062208 0.0621746 yield of N-waste on food
mu_TX J/mol 258279 258270 251554 251530 205948 205652 242345 242218 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer