Cottus aleuticus: Population traits

at T = 7 °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: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.219596 NaN 0.318326 0.318326 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00943811 0.00943811 0.000693326 0.000693326 spec pop growth rate
t2 d NaN NaN NaN NaN 73.4413 73.4413 999.742 999.742 population doubling time
a_b d 89.9199 NaN 84.5215 NaN 70.2472 70.0551 70.2472 70.0551 age at birth
t_j d 4513.92 NaN 1414.48 NaN 332.525 327.317 332.525 327.317 time since birth at metam
t_p d 6611.21 NaN 1796.19 NaN 408.135 401.678 408.135 401.678 time since birth at puberty
S_b - 0.999949 NaN 0.999958 NaN 0.999975 0.999975 0.999975 0.999975 survival probability at birth
S_j - 0.999634 NaN 0.764771 NaN 0.999866 0.99987 0.349275 0.344265 survival probability at metam
S_p - 0.503852 NaN 0.0110041 NaN 0.999159 0.999201 0.00687741 0.00685737 survival probability at puberty
theta_0b - 0.019396 NaN 0.2059 NaN 0.484651 0.483716 0.52717 0.530373 frac of ind that is embryo
theta_bj - 0.0194297 NaN 0.180868 NaN 0.249833 0.249803 0.312103 0.312182 frac of ind between b and j
theta_jp - 0.761592 NaN 0.577856 NaN 0.243197 0.242995 0.153029 0.149793 frac of ind between j and p
theta_pi - 0.199583 NaN 0.0353762 NaN 0.0223181 0.0234864 0.007699 0.00765143 frac of ind that is adult
L_bi cm 0.255345 NaN 0.184134 NaN 0.220999 0.223821 0.17979 0.180047 mean structural length of post-natals
L2_bi cm^2 0.0793021 NaN 0.0517581 NaN 0.0782451 0.0810634 0.0663723 0.0671897 mean squared structural length of post-natals
L3_bi cm^3 0.0283964 NaN 0.0244995 NaN 0.0486064 0.0516429 0.0830697 0.0859665 mean cubed structural length of post-natals
Ww_bi g 0.0324002 NaN 0.0295069 NaN 0.0798152 0.0854169 0.136406 0.142188 mean wet weight of post-natals
L_pi cm 0.446623 NaN 0.735907 NaN 0.86555 0.871361 1.34439 1.35451 mean structural length of adults
L2_pi cm^2 0.199863 NaN 0.552183 NaN 0.810495 0.822947 2.29347 2.34009 mean squared structural length of adults
L3_pi cm^3 0.0896049 NaN 0.421008 NaN 0.829303 0.850989 4.7047 4.87878 mean cubed structural length of adults
Ww_pi g 0.102239 NaN 0.507057 NaN 1.36177 1.40753 7.72545 8.06946 mean wet weight of adults
R 1/d 0.00760248 NaN 0.153032 NaN 0.602806 0.618323 1.9952 2.05998 mean reproduction rate of adults
J_X g/d 0.000281828 NaN 0.00027533 NaN 0.00159225 0.00170122 0.00135805 0.00140738 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 0.288117 0.286506 0.0424095 0.0423503 yield of living structure on food
Y_VX_d mol/mol 0.0447319 NaN 0.110111 NaN 0.000166418 0.000162395 0.145653 0.14467 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.184992 0.187373 0.02723 0.0276968 yield of living reserve on food
Y_EX_d mol/mol 0.00630704 NaN 0.0225055 NaN 0.000106852 0.000106205 0.0935199 0.0946129 yield of dead reserve on food
Y_CX mol/mol 0.839586 NaN 0.758008 NaN 0.417243 0.416477 0.581812 0.581295 yield of CO2 on food
Y_HX mol/mol 0.604036 NaN 0.545345 NaN 0.300183 0.299632 0.418582 0.41821 yield of H2O on food
Y_OX mol/mol -0.91305 NaN -0.824334 NaN -0.453752 -0.452919 -0.632721 -0.632159 yield of O2 on food
Y_NX mol/mol 0.125938 NaN 0.113701 NaN 0.0625865 0.0624715 0.0872718 0.0871943 yield of N-waste on food
mu_TX J/mol 446665 NaN 405066 NaN 226554 226052 312056 311720 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