fU9SYSTCM: KCONOLOQY 
SC3N0KV A%0 £C0LX»; 
III 
IV 
VI 
Economic and ecolof’ca bases of wate 
development and management 
-*---7^- 
■*eograpnic 4 nd Env irorwwenta I LCOn^'c 
ko^owic arx3 economic evaluation 
Structure 0 f cnttrii of of priorities 
the "'V«r Optimal function for water - — — 
estuarine 0 f estuarine deveIooment 
ecosystem system and management 
f undart 
economic basis 
• attr development 
--•-schemes and water 
constr vation 
a 1ternatives 
Economic evaluation of 
•nvironmenta1 resources 
of the ecosystem 
" — • 1 1 f 
Analysis of 
historica1 
trends of water 
development and 
population 
growth 
.:i . .=: 
Eva I uation of water 
factor as a means 
of re gu 1 a 11 on o f 
populations and 
industrial growth 
Determination of critical 
levels of economic 
growth of major water 
users and developers 
if no conservation 
alternatives are 
implemented for conditions 
of 3 - 7 years consecutive 
drought 
Principles of 
economic 
effectivenes s 
of water 
devt1ooment 
related to 
biological toler¬ 
ance of ecosystem 
T 
i 
• 
x 
Probability limits 
of demands for 
water by different 
— (^branches of 
government 
ith restricted 
amounts of natural 
r u nof f 
Integra 1 
bioeconomic 
charactenst ics 
of dynamic 
equ11ibriurn 
between water 
users and water 
developers in 
Cal i forma 
Other Unforeseen Probli 
Cost effective- 
ne ss a^alysu 
of water use by 
d i fferent 
conveyance 
systems aod 
their 
ecologicaI 
impact on 
the Delta 
± 
valuation of the 
fficiency of 
water utilisation 
in various 
industries 
- 1- 
Analysis of the 
economic indices 
and incentives 
related to waterf- 
management in 
d i fferent 
branches of 
industry 
Risk/Benefit 
analysis for: 
- agriculture 
- industry 
- municipa 1 1 1 1 es 
- fisheries 
- recreation 
T 
State's emergency 
water balance 
forecast and its 
economic criteria 
in case of terror¬ 
istic poisoning of 
major water supply 
or of nuclear 
incident 
1 
A1 ternative 
recommendation 
Figure 3. Hierarchy of investigations of the interrelations between ecological 
and economic indices of development in California under various levels of water 
supply for the Delta-San Francisco Bay Ecosystem. 
132 
