Cyprogenia stegaria: Population traits

at T = 17 °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 - 0.451669 0.478911 0.739455 0.739455 1 1 scaled functional response
r 1/d 0 0 0.00372352 0.000390996 0.00457918 0.000476316 spec pop growth rate
t2 d NaN NaN 186.154 1772.77 151.369 1455.22 population doubling time
a_b d 7.09753 7.06167 6.83748 6.83748 6.71992 6.71992 age at birth
t_j d 0.000346813 0.0003395 0.000296826 0.000296826 0.000276416 0.000276416 time since birth at metam
t_p d 9127.45 4862.89 2298.04 2298.04 1865.94 1865.94 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999897 1 0.999897 1 0.999897 survival probability at metam
S_p - 1 0.340514 1 0.311493 1 0.29656 survival probability at puberty
theta_0b - 0.000779932 0.402517 0.0250476 0.441589 0.030196 0.456982 frac of ind that is embryo
theta_bj - 3.82606e-08 1.94266e-05 1.07763e-06 1.92167e-05 1.22759e-06 1.88368e-05 frac of ind between b and j
theta_jp - 0.000782964 0.235684 0.0245092 0.2467 0.0293881 0.248988 frac of ind between j and p
theta_pi - 0.998437 0.361779 0.950442 0.311691 0.940415 0.294012 frac of ind that is adult
L_bi cm 0.398107 0.0335126 0.0924567 0.0187616 0.0845268 0.0177268 mean structural length of post-natals
L2_bi cm^2 0.170674 0.0091369 0.0148565 0.00297186 0.0127974 0.00269871 mean squared structural length of post-natals
L3_bi cm^3 0.0752268 0.00383279 0.00324249 0.00123801 0.00270856 0.00123962 mean cubed structural length of post-natals
Ww_bi g 0.224089 0.0118747 0.0137472 0.0052488 0.0145753 0.00667064 mean wet weight of post-natals
L_pi cm 0.398416 0.0526167 0.0947245 0.0302282 0.087025 0.0290789 mean structural length of adults
L2_pi cm^2 0.170808 0.015078 0.0152391 0.00530935 0.0131967 0.004968 mean squared structural length of adults
L3_pi cm^3 0.0752858 0.00632984 0.0033261 0.00221789 0.00279321 0.00228941 mean cubed structural length of adults
Ww_pi g 0.224265 0.0196111 0.0141017 0.00940321 0.0150308 0.0123198 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.000678382 3.85071e-05 9.66757e-05 1.93387e-05 0.000112619 2.37489e-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 0.124886 0.0250305 0.110133 0.0248622 yield of living structure on food
Y_VX_d mol/mol 0.0167188 0.0382986 4.78572e-05 0.0555664 2.47918e-05 0.0528286 yield of dead structure on food
Y_EX mol/mol 0 0 0.404594 0.0810913 0.482513 0.108926 yield of living reserve on food
Y_EX_d mol/mol 0.0330839 0.0803582 0.000155043 0.180018 0.000108618 0.231452 yield of dead reserve on food
Y_CX mol/mol 0.840822 0.771968 0.360942 0.548918 0.297846 0.472556 yield of CO2 on food
Y_HX mol/mol 0.610063 0.560106 0.261883 0.398271 0.216104 0.342865 yield of H2O on food
Y_OX mol/mol -0.914394 -0.839515 -0.392524 -0.596949 -0.323908 -0.513904 yield of O2 on food
Y_NX mol/mol 0.126123 0.115795 0.0541412 0.0823378 0.0446769 0.0708833 yield of N-waste on food
mu_TX J/mol 445944 409154 187421 288591 151979 246446 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