Chaenocephalus aceratus: Population traits

at T = -1 °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: 2023/12/07
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.539869 0.539869 0.567553 0.567553 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00360833 0.00360833 0.000808069 0.000808069 spec pop growth rate
t2 d NaN NaN NaN NaN 192.096 192.096 857.782 857.782 population doubling time
a_b d 69.6645 70.3162 69.1015 69.7446 63.2919 63.8272 63.2919 63.8272 age at birth
t_j d 355.477 376.091 338.713 357.939 208.926 218.255 208.926 218.255 time since birth at metam
t_p d 13757.3 5878.34 8754.97 5001.55 2305.22 1856.96 2305.22 1856.96 time since birth at puberty
S_b - 0.999998 0.999997 0.999998 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999986 0.999985 0.459975 0.477313 0.999991 0.99999 0.308641 0.32197 survival probability at metam
S_p - 0.999893 0.999872 0.0222238 0.0224676 0.999964 0.999958 0.0206391 0.0207485 survival probability at puberty
theta_0b - 0.00780938 0.00802003 0.409791 0.397389 0.204098 0.205632 0.549701 0.541168 frac of ind that is embryo
theta_bj - 0.0078171 0.00802825 0.285237 0.281127 0.16252 0.163428 0.308866 0.309167 frac of ind between b and j
theta_jp - 0.0320696 0.0349093 0.231215 0.244636 0.258914 0.269571 0.12054 0.128434 frac of ind between j and p
theta_pi - 0.952304 0.949042 0.0737578 0.0768479 0.374467 0.361369 0.0208941 0.0212302 frac of ind that is adult
L_bi cm 3.33662 3.1339 0.623232 0.614259 1.14021 1.08872 0.387426 0.385503 mean structural length of post-natals
L2_bi cm^2 11.9216 10.5267 1.26639 1.17698 2.33167 2.11591 0.364555 0.351429 mean squared structural length of post-natals
L3_bi cm^3 43.5938 36.1995 4.30163 3.7483 6.5645 5.67099 1.08191 0.986602 mean cubed structural length of post-natals
Ww_bi g 91.9676 74.14 9.3197 7.87832 20.0572 16.6806 3.30566 2.90198 mean wet weight of post-natals
L_pi cm 3.45778 3.25567 2.80338 2.68503 1.95234 1.89418 1.96726 1.93726 mean structural length of adults
L2_pi cm^2 12.4116 10.9929 9.38113 8.49577 4.72994 4.41318 5.66831 5.4058 mean squared structural length of adults
L3_pi cm^3 45.4145 37.8317 34.1284 29.1074 13.8305 12.3383 22.4668 20.474 mean cubed structural length of adults
Ww_pi g 95.8087 77.483 73.9409 61.1791 42.2578 36.2917 68.6452 60.2219 mean wet weight of adults
R 1/d 0 1.68343 0 0.42753 0 0 0 0.391271 mean reproduction rate of adults
J_X g/d 0.844364 0.701437 0.0910748 0.0794474 0.309835 0.264574 0.0420694 0.0380136 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 0.07645 0.0773426 0.0207813 0.0209726 yield of living structure on food
Y_VX_d mol/mol 0.00755199 0.00770256 0.0204788 0.0209559 3.60511e-05 3.86188e-05 0.0500407 0.0508363 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.157136 0.150152 0.0427139 0.0407158 yield of living reserve on food
Y_EX_d mol/mol 0.00838007 0.00807302 0.0238896 0.02309 7.40997e-05 7.49741e-05 0.102854 0.098693 yield of dead reserve on food
Y_CX mol/mol 0.874693 0.874849 0.846257 0.846579 0.656929 0.663017 0.674235 0.679407 yield of CO2 on food
Y_HX mol/mol 0.629293 0.629406 0.608835 0.609067 0.472624 0.477004 0.485075 0.488796 yield of H2O on food
Y_OX mol/mol -0.951229 -0.951399 -0.920304 -0.920655 -0.71441 -0.721031 -0.733231 -0.738855 yield of O2 on food
Y_NX mol/mol 0.131204 0.131227 0.126938 0.126987 0.0985393 0.0994525 0.101135 0.101911 yield of N-waste on food
mu_TX J/mol 464115 464209 449121 449323 347791 351185 357027 359921 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