Stiphodon percnopterygionus: Population traits

at T = 20 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.384698 NaN 0.475402 0.475402 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0117046 0.0117046 0.00243195 0.00243195 spec pop growth rate
t2 d NaN NaN NaN NaN 59.2201 59.2201 285.017 285.017 population doubling time
a_b d 9.20614 NaN 8.88375 NaN 7.84071 8.05253 7.84071 8.05253 age at birth
t_p d 2140.92 NaN 1106.78 NaN 387.353 463.196 387.353 463.196 time since birth at puberty
S_b - 0.999992 NaN 0.999993 NaN 0.999995 0.999993 0.999995 0.999993 survival probability at birth
S_p - 0.999953 NaN 0.744231 NaN 0.999972 0.999964 0.612927 0.641923 survival probability at puberty
theta_0b - 0.00622436 NaN 0.117796 NaN 0.0877017 0.089983 0.239709 0.222112 frac of ind that is embryo
theta_bp - 0.00624077 NaN 0.101824 NaN 0.0801331 0.0820219 0.184471 0.174848 fraction of individuals that is juvenile
theta_pi - 0.987535 NaN 0.78038 NaN 0.832165 0.827995 0.57582 0.60304 frac of ind that is adult
L_bi cm 0.236605 NaN 0.132668 NaN 0.13322 0.120379 0.102525 0.0987148 mean structural length of post-natals
L2_bi cm^2 0.0627428 NaN 0.0290981 NaN 0.0252418 0.0200979 0.0202022 0.0176485 mean squared structural length of post-natals
L3_bi cm^3 0.0176316 NaN 0.00839131 NaN 0.00627328 0.00435446 0.00692219 0.00525802 mean cubed structural length of post-natals
Ww_bi g 0.0199712 NaN 0.00976728 NaN 0.00843706 0.0056335 0.0093098 0.00680245 mean wet weight of post-natals
L_pi cm 0.237857 NaN 0.144913 NaN 0.142094 0.128288 0.122325 0.115662 mean structural length of adults
L2_pi cm^2 0.0631299 NaN 0.0326977 NaN 0.0275093 0.0219254 0.0261403 0.0222936 mean squared structural length of adults
L3_pi cm^3 0.0177427 NaN 0.00947852 NaN 0.0068706 0.00477914 0.00911785 0.00676339 mean cubed structural length of adults
Ww_pi g 0.020097 NaN 0.0110328 NaN 0.00924041 0.00618292 0.0122628 0.00875 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.000218121 NaN 0.000125008 NaN 0.000228105 0.000154666 0.000182563 0.000135816 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.321897 0.32953 0.0922119 0.0941513 yield of living structure on food
Y_VX_d mol/mol 0.0942557 NaN 0.166475 NaN 0.0018793 0.00225474 0.192795 0.197512 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.111029 0.0967931 0.0318057 0.0276551 yield of living reserve on food
Y_EX_d mol/mol 0.0125068 NaN 0.0272978 NaN 0.000648208 0.000662285 0.066499 0.0580152 yield of dead reserve on food
Y_CX mol/mol 0.783863 NaN 0.696852 NaN 0.455172 0.461384 0.507313 0.513292 yield of CO2 on food
Y_HX mol/mol 0.563946 NaN 0.501347 NaN 0.327471 0.33194 0.364984 0.369285 yield of H2O on food
Y_OX mol/mol -0.852451 NaN -0.757827 NaN -0.494999 -0.501756 -0.551703 -0.558205 yield of O2 on food
Y_NX mol/mol 0.117579 NaN 0.104528 NaN 0.0682758 0.0692077 0.076097 0.0769938 yield of N-waste on food
mu_TX J/mol 418493 NaN 374249 NaN 249190 253007 275929 279550 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