Pyrgulopsis robusta: Population traits

at T = 19 °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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.236168 0.30908 0.65454 0.65454 1 1 scaled functional response
r 1/d 0 0 0.0302975 0.00359173 0.0439675 0.00462655 spec pop growth rate
t2 d NaN NaN 22.878 192.984 15.765 149.819 population doubling time
a_b d 7.5488 7.30945 6.81245 6.81245 6.62832 6.62832 age at birth
t_j d 1.89479 1.57164 1.08756 1.08756 0.95349 0.95349 time since birth at metam
t_p d 276.33 122.099 41.9096 41.9096 32.1384 32.1384 time since birth at puberty
S_b - 0.999997 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999994 0.789026 0.999997 0.739008 0.999997 0.726795 survival probability at metam
S_p - 0.999977 0.500865 0.999988 0.332081 0.99999 0.284152 survival probability at puberty
theta_0b - 0.0186637 0.0860843 0.186634 0.311727 0.252831 0.41499 frac of ind that is embryo
theta_bj - 0.00468696 0.0164862 0.0263942 0.0423524 0.0306847 0.0502337 frac of ind between b and j
theta_jp - 0.0139857 0.0420979 0.125466 0.125304 0.158258 0.155248 frac of ind between j and p
theta_pi - 0.962664 0.855332 0.661506 0.520617 0.558226 0.379528 frac of ind that is adult
L_bi cm 0.0640644 0.0811647 0.108836 0.123499 0.115597 0.134741 mean structural length of post-natals
L2_bi cm^2 0.00412301 0.00674194 0.0136446 0.0184901 0.0165137 0.0260326 mean squared structural length of post-natals
L3_bi cm^3 0.000266226 0.000568023 0.00188441 0.00305412 0.00275344 0.00605903 mean cubed structural length of post-natals
Ww_bi g 0.000558208 0.00138333 0.00761233 0.0123375 0.0155402 0.0341966 mean wet weight of post-natals
L_pi cm 0.0645014 0.0837385 0.122182 0.147539 0.136684 0.180136 mean structural length of adults
L2_pi cm^2 0.00416939 0.00707254 0.0161748 0.0236593 0.0211157 0.0386841 mean squared structural length of adults
L3_pi cm^3 0.000269985 0.000601118 0.00228526 0.00399762 0.00363 0.00926177 mean cubed structural length of adults
Ww_pi g 0.000566088 0.00146393 0.0092316 0.0161489 0.0204874 0.0522726 mean wet weight of adults
R 1/d 0.00698405 0.0187775 0.0580284 0.0975718 0.0720158 0.170931 mean reproduction rate of adults
J_X g/d 0.000137268 0.000298346 0.00130686 0.00177081 0.00242985 0.00383018 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.21875 0.21875 0.21875 0.21875 0.21875 0.21875 yield of faeces on food
Y_VX mol/mol 0 0 0.0436872 0.00619465 0.0498228 0.00731882 yield of living structure on food
Y_VX_d mol/mol 0.00516009 0.0105953 0.000131409 0.0155464 5.18099e-05 0.0168488 yield of dead structure on food
Y_EX mol/mol 0 0 0.132793 0.0188294 0.231373 0.033988 yield of living reserve on food
Y_EX_d mol/mol 0.00565929 0.0152079 0.000399435 0.0472552 0.000240601 0.0782442 yield of dead reserve on food
Y_CX mol/mol 0.770431 0.755447 0.604239 0.693424 0.499762 0.64485 yield of CO2 on food
Y_HX mol/mol 0.556422 0.5456 0.436395 0.500806 0.360939 0.465725 yield of H2O on food
Y_OX mol/mol -0.837843 -0.821548 -0.65711 -0.754099 -0.543491 -0.701275 yield of O2 on food
Y_NX mol/mol 0.115565 0.113317 0.0906359 0.104014 0.0749643 0.0967275 yield of N-waste on food
mu_TX J/mol 414307 406338 324835 372783 267675 346189 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