Larus fuscus: Population traits

at T = 40.9 °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_minf f_max date: 2023/10/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.916444 0.924713 0.962356 0.962356 1 1 scaled functional response
r 1/d 0 0 0.00167188 0.000303589 0.00268457 0.000512296 spec pop growth rate
t2 d NaN NaN 414.593 2283.17 258.197 1353.02 population doubling time
a_b d 19.7438 19.7306 19.6733 19.6733 19.6203 19.6203 age at birth
t_p d 296.41 207.053 135.887 135.887 112.313 112.313 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.448947 1 0.439439 1 0.430783 survival probability at puberty
theta_0b - 0.00140469 0.00879984 0.032365 0.0389441 0.0513183 0.0651003 frac of ind that is embryo
theta_bp - 0.00140445 0.00574386 0.0313124 0.0250173 0.0486769 0.0412632 fraction of individuals that is juvenile
theta_pi - 0.997191 0.985456 0.936323 0.936039 0.900005 0.893637 frac of ind that is adult
L_bi cm 4.19409 4.21801 4.196 4.30344 4.22132 4.38688 mean structural length of post-natals
L2_bi cm^2 17.6015 17.8291 17.8677 18.7049 18.25 19.5891 mean squared structural length of post-natals
L3_bi cm^3 73.897 75.4478 76.7783 81.7389 80.081 88.3107 mean cubed structural length of post-natals
Ww_bi g 762.165 784.5 827.708 881.186 893.95 985.819 mean wet weight of post-natals
L_pi cm 4.197 4.23051 4.26463 4.36268 4.33295 4.49256 mean structural length of adults
L2_pi cm^2 17.6198 17.9076 18.3095 19.0867 18.9819 20.2873 mean squared structural length of adults
L3_pi cm^3 73.987 75.8334 79.0032 83.6702 83.8464 91.9427 mean cubed structural length of adults
Ww_pi g 763.093 788.509 851.694 902.006 935.983 1026.36 mean wet weight of adults
R 1/d 4.83296e-05 0.000759403 0.00199206 0.00368667 0.00375208 0.0066177 mean reproduction rate of adults
J_X g/d 61.3999 62.7551 65.4512 68.5177 69.4667 74.5637 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 0.00196121 0.00036217 0.00309477 0.000606746 yield of living structure on food
Y_VX_d mol/mol 8.61378e-05 0.000190864 2.33692e-07 0.000470641 8.42252e-08 0.000767337 yield of dead structure on food
Y_EX mol/mol 0 0 0.0191816 0.0035422 0.0314523 0.0061664 yield of living reserve on food
Y_EX_d mol/mol 0.000802277 0.00179373 2.28563e-06 0.0046031 8.55986e-07 0.00779849 yield of dead reserve on food
Y_CX mol/mol 0.722911 0.72202 0.706452 0.716338 0.695563 0.71117 yield of CO2 on food
Y_HX mol/mol 0.769622 0.768674 0.7521 0.762625 0.740507 0.757122 yield of H2O on food
Y_OX mol/mol -0.917541 -0.91641 -0.896651 -0.909198 -0.882829 -0.902639 yield of O2 on food
Y_NX mol/mol 0.166826 0.16662 0.163027 0.165309 0.160514 0.164116 yield of N-waste on food
mu_TX J/mol 463875 463287 453012 459537 445820 456123 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