379


Table C-8. Calculation of values for Model II of water area, fish
and storks (Model in Figure 12).


STOCKS


Same as for Model I


Same as for Model I


(1) Fish Net Growth

 F(k1 + k2)


(see Table C-6)

 THRESHOLDS

(see Table C-6)

 FLOWS

Rate: (Results Section)

= F (1n 500 In 1) + 0.2 = F 6.21 + 0.2 = 1.58F
 4.5 4.5


 = 0.316 g/m2-moa

(2) Fish Predation and Death Rate same as for Model I (see Table C-6)

(3) Bird Food Intake Rate same as for Model I (see Table C-6)

(4) Bird Respiration Rate same as for Model I (see Table C-6)

(5) New Bird Production Rate same as for Model I (see-Table C-6)

(6) Bird Mortality Rate same as for Model I (see Table C-6)

(7) Fish Imigration Rate
 Minimal: 0.001

aBecause of the sinusoidal nature of the variables S and A, which were
in the growth rate equation, the calculated rate was at best a very
rough approximation. A better value was found by adjustment during
simulation, and this value is shown on the model diagram in Figure 69.