Rissa tridactyla: 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: 2025/02/13
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.926804 0.939669 0.969834 0.969834 1 1 scaled functional response
r 1/d 0 0 0.00133203 0.000224299 0.00206738 0.000383716 spec pop growth rate
t2 d NaN NaN 520.369 3090.28 335.278 1806.41 population doubling time
a_b d 17.5919 17.5732 17.5313 17.5313 17.4918 17.4918 age at birth
t_p d 222.126 152.842 112.941 112.941 95.7429 95.7429 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.458401 1 0.450339 1 0.442864 survival probability at puberty
theta_0b - 0.00165315 0.00933578 0.0231146 0.0261726 0.0355349 0.041806 frac of ind that is embryo
theta_bp - 0.00165276 0.00615149 0.0225758 0.0170343 0.0342648 0.0269193 fraction of individuals that is juvenile
theta_pi - 0.996694 0.984513 0.95431 0.956793 0.9302 0.931275 frac of ind that is adult
L_bi cm 3.1937 3.22757 3.24096 3.29651 3.27742 3.3637 mean structural length of post-natals
L2_bi cm^2 10.2063 10.4384 10.6032 10.9327 10.9033 11.4298 mean squared structural length of post-natals
L3_bi cm^3 32.63 33.7981 34.8936 36.3791 36.6125 39.0559 mean cubed structural length of post-natals
Ww_bi g 364.032 381.829 405.74 423.014 437.831 467.049 mean wet weight of post-natals
L_pi cm 3.19618 3.23737 3.27718 3.32552 3.33482 3.41253 mean structural length of adults
L2_pi cm^2 10.2184 10.4863 10.784 11.0772 11.1946 11.678 mean squared structural length of adults
L3_pi cm^3 32.6757 33.9797 35.5963 36.941 37.7667 40.0434 mean cubed structural length of adults
Ww_pi g 364.542 383.88 413.911 429.547 451.632 478.858 mean wet weight of adults
R 1/d 0.000115303 0.000972569 0.00202185 0.00286357 0.0033678 0.00476451 mean reproduction rate of adults
J_X g/d 35.0691 36.3646 38.1246 39.309 40.4227 42.3748 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 0.00121914 0.000207581 0.00187252 0.000353662 yield of living structure on food
Y_VX_d mol/mol 8.80048e-05 0.000190249 1.61123e-06 0.000313591 6.58314e-07 0.000461574 yield of dead structure on food
Y_EX mol/mol 0 0 0.012957 0.00220615 0.0205199 0.0038756 yield of living reserve on food
Y_EX_d mol/mol 0.000893809 0.00195906 1.71241e-05 0.00333282 7.21412e-06 0.00505815 yield of dead reserve on food
Y_CX mol/mol 0.722835 0.721886 0.712099 0.718709 0.705433 0.715712 yield of CO2 on food
Y_HX mol/mol 0.769541 0.768531 0.758112 0.765149 0.751014 0.761958 yield of H2O on food
Y_OX mol/mol -0.917445 -0.916241 -0.903819 -0.912208 -0.895357 -0.908403 yield of O2 on food
Y_NX mol/mol 0.166808 0.166589 0.164331 0.165856 0.162792 0.165164 yield of N-waste on food
mu_TX J/mol 463824 463198 456735 461099 452329 459119 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