Trachyrincus scabrus: Population traits

at T = 6 °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 - 0.395141 0.601807 0.800903 0.800903 1 1 scaled functional response
r 1/d 0 0 0.00228128 0.000147087 0.00282055 0.000230437 spec pop growth rate
t2 d NaN NaN 303.841 4712.48 245.749 3007.97 population doubling time
a_b d 99.9003 93.5412 89.7549 89.7549 87.126 87.126 age at birth
t_j d 286.504 203.257 165.953 165.953 144.153 144.153 time since birth at metam
t_p d 8738.42 3268.47 2346.39 2346.39 1915.94 1915.94 time since birth at puberty
S_b - 0.999943 0.999952 0.999957 0.999957 0.999961 0.999961 survival probability at birth
S_j - 0.999696 0.313911 0.999798 0.254524 0.99982 0.21579 survival probability at metam
S_p - 0.998929 0.080647 0.999616 0.079655 0.999702 0.0790912 survival probability at puberty
theta_0b - 0.0175909 0.489854 0.185513 0.544003 0.218103 0.576797 frac of ind that is embryo
theta_bj - 0.0176056 0.290282 0.151236 0.293094 0.170653 0.289987 frac of ind between b and j
theta_jp - 0.0328689 0.0986924 0.10618 0.0678916 0.0910072 0.0496474 frac of ind between j and p
theta_pi - 0.931935 0.121172 0.557071 0.095011 0.520236 0.0835692 frac of ind that is adult
L_bi cm 1.82721 0.485335 0.84896 0.434464 0.821273 0.417483 mean structural length of post-natals
L2_bi cm^2 3.85069 0.714257 1.16353 0.609381 1.11274 0.585812 mean squared structural length of post-natals
L3_bi cm^3 8.63083 1.88934 2.14251 1.8131 2.07535 1.92649 mean cubed structural length of post-natals
Ww_bi g 12.028 3.02194 3.85179 3.25958 4.14263 3.84549 mean wet weight of post-natals
L_pi cm 1.91217 1.33463 1.12357 1.24588 1.10624 1.21574 mean structural length of adults
L2_pi cm^2 4.05542 2.84245 1.66942 2.72951 1.63781 2.7575 mean squared structural length of adults
L3_pi cm^3 9.09719 7.91386 3.12349 8.65379 3.1093 9.70441 mean cubed structural length of adults
Ww_pi g 12.6779 12.658 5.61538 15.5577 6.20652 19.3711 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0319723 0.00893989 0.0197577 0.0101463 0.0236355 0.0121896 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 0.247381 0.026284 0.247662 0.0364192 yield of living structure on food
Y_VX_d mol/mol 0.0861912 0.154366 0.0030088 0.150976 0.00182675 0.146729 yield of dead structure on food
Y_EX mol/mol 0 0 0.197358 0.0209691 0.2467 0.0362777 yield of living reserve on food
Y_EX_d mol/mol 0.0339253 0.0925373 0.00240039 0.120447 0.00181965 0.146159 yield of dead reserve on food
Y_CX mol/mol 0.770508 0.643722 0.440477 0.571949 0.392617 0.52504 yield of CO2 on food
Y_HX mol/mol 0.554338 0.463122 0.316899 0.411486 0.282466 0.377737 yield of H2O on food
Y_OX mol/mol -0.837928 -0.700048 -0.479019 -0.621995 -0.426971 -0.570981 yield of O2 on food
Y_NX mol/mol 0.115576 0.0965583 0.0660716 0.0857924 0.0588925 0.078756 yield of N-waste on food
mu_TX J/mol 410745 344422 237438 306091 211070 280586 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