Scalopus aquaticus: Population traits

at T = 38.3 °C with background hazards for embryo, baby, 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 stx f_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.98911 0.98911 0.995679 0.995679 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00299805 0.00299805 0.000575391 0.000575391 spec pop growth rate
t2 d NaN NaN NaN NaN 231.2 231.2 1204.65 1204.65 population doubling time
a_b d 7.03316 7.03316 7.03316 7.03316 7.03316 7.03316 7.03316 7.03316 age at birth
t_x d 432.404 129.189 322.639 125.588 290.841 123.363 290.841 123.363 time since birth at weaning
t_p d 35.2504 30.6594 34.9318 30.436 34.7272 30.2922 34.7272 30.2922 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.5435 0.506624 1 1 0.541979 0.505312 survival probability at weaning
S_p - 0.977712 0.999676 0.223215 0.180018 0.994047 0.999725 0.221839 0.178524 survival probability at puberty
theta_0b - 0.00622113 0.00588657 0.0263935 0.0309045 0.0221134 0.0219571 0.0361981 0.0428861 frac of ind that is embryo
theta_bx - 0.00622109 0.00588654 0.0190805 0.0215637 0.0216519 0.0214988 0.0260312 0.0297712 fraction of individuals that is baby
theta_xp - 0.374288 0.102232 0.281303 0.112367 0.581543 0.297035 0.319147 0.147164 fraction of individuals that is juvenile
theta_pi - 0.613269 0.885994 0.673223 0.835165 0.374692 0.659509 0.618623 0.780179 frac of ind that is adult
L_bi cm 1.8416 2.05878 1.83694 2.04636 1.82327 2.02928 1.83258 2.03694 mean structural length of post-natals
L2_bi cm^2 3.39878 4.24999 3.39319 4.22097 3.349 4.1579 3.3842 4.19532 mean squared structural length of post-natals
L3_bi cm^3 6.28155 8.78814 6.28955 8.74655 6.18188 8.57167 6.27945 8.69663 mean cubed structural length of post-natals
Ww_bi g 45.4126 70.0624 45.7307 70.1359 45.1161 68.9947 45.8281 70.0005 mean wet weight of post-natals
L_pi cm 1.85715 2.07858 1.86949 2.09238 1.8776 2.10135 1.8776 2.10144 mean structural length of adults
L2_pi cm^2 3.44902 4.3205 3.49498 4.37804 3.52538 4.41566 3.52538 4.41603 mean squared structural length of adults
L3_pi cm^3 6.40535 8.98052 6.53382 9.16052 6.61926 9.27884 6.61926 9.28001 mean cubed structural length of adults
Ww_pi g 46.3076 71.5961 47.5067 73.4554 48.3081 74.6868 48.3081 74.6962 mean wet weight of adults
R 1/d 0.0014415 0.0787673 0.00557192 0.0838133 0.00830016 0.0871082 0.00830016 0.0871413 mean reproduction rate of adults
J_X g/d 10.4901 14.6816 10.5424 14.6781 10.4503 14.5216 10.5601 14.6523 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0017735 0.00176966 0.00034215 0.000341515 yield of living structure on food
Y_VX_d mol/mol 0.000543481 0.000515013 0.00110296 0.00109444 0.000116165 0.000102512 0.00117774 0.00119104 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0111697 0.0124746 0.0021549 0.00240739 yield of living reserve on food
Y_EX_d mol/mol 0.00338563 0.00359087 0.00691657 0.00768155 0.000731618 0.000722626 0.00741753 0.00839582 yield of dead reserve on food
Y_CX mol/mol 0.820194 0.82003 0.81641 0.81571 0.811071 0.809889 0.813568 0.812418 yield of CO2 on food
Y_HX mol/mol 0.699505 0.699365 0.696278 0.695681 0.691725 0.690716 0.693854 0.692873 yield of H2O on food
Y_OX mol/mol -0.964282 -0.96409 -0.959833 -0.959011 -0.953557 -0.952167 -0.956492 -0.95514 yield of O2 on food
Y_NX mol/mol 0.0665022 0.0664889 0.0661954 0.0661387 0.0657626 0.0656667 0.065965 0.0658717 yield of N-waste on food
mu_TX J/mol 462253 462156 460069 459659 456986 456294 458427 457756 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