World dynamicsWright-Allen Press, 1971 - 142 pages |
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Page 28
... ratio CR to reduce the land available for agriculture as represented by the food - from - crowding multiplier FCM and reduces the food ratio ... pollution POL , and increases pollution ratio. 28 Chapter Two Population Controlled by Pollution.
... ratio CR to reduce the land available for agriculture as represented by the food - from - crowding multiplier FCM and reduces the food ratio ... pollution POL , and increases pollution ratio. 28 Chapter Two Population Controlled by Pollution.
Page 54
... POLLUTION - MULTIPLIER TABLE POLLUTION RATIO ( DIMENSIONLESS ) present levels but that the reduction in food productivity will become progres- sively greater as the pollution levels go to 60 times those in 1970. At 25 times the 1970 ...
... POLLUTION - MULTIPLIER TABLE POLLUTION RATIO ( DIMENSIONLESS ) present levels but that the reduction in food productivity will become progres- sively greater as the pollution levels go to 60 times those in 1970. At 25 times the 1970 ...
Page 78
... pollution ratio of 40 would depress food production to 20 % of its value under 1970 pollution conditions . The rise in food ratio after the population collapse occurs because the reduced population has available the best agricultural ...
... pollution ratio of 40 would depress food production to 20 % of its value under 1970 pollution conditions . The rise in food ratio after the population collapse occurs because the reduced population has available the best agricultural ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
6 other sections not shown
Common terms and phrases
accumulation action actual agriculture appear assumed assumptions average become behavior billion birth rate capital investment Capital-investment cause Chapter consequences continue created crowding curve death rate decline defined depends described developed discard discussed dynamic effect environment equations equilibrium examine existing expect factor falling Figure food production food ratio forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource normal NREM NRUN1 occurs ORIGINAL peak person policies pollution crisis pollution ratio POLN1 POLR population possible present pressures probably processes raise rate normal reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed TABLE taken tion units usage variable world system