World dynamicsWright-Allen Press, 1971 - 142 pages |
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Page 5
... land or of changing agricultural productivity . If occupancy space is subtracted from the total land , the remainder gives the land available for agriculture . The agricultural land per person can be interpreted to give the adequacy of ...
... land or of changing agricultural productivity . If occupancy space is subtracted from the total land , the remainder gives the land available for agriculture . The agricultural land per person can be interpreted to give the adequacy of ...
Page 6
... land units / person 5 Food ratio ( adequacy ) as it depends on agricultural land units per person . Figure 1-3 presents an assumption about how the food per person is related to the agricultural land per person . Only the general shape ...
... land units / person 5 Food ratio ( adequacy ) as it depends on agricultural land units per person . Figure 1-3 presents an assumption about how the food per person is related to the agricultural land per person . Only the general shape ...
Page 48
... land is left . Occupancy seems often to use the best land , and so the allotment of land of lower quality for food growing will increase the effect of crowding on food production . Population uses land for housing , working space ...
... land is left . Occupancy seems often to use the best land , and so the allotment of land of lower quality for food growing will increase the effect of crowding on food production . Population uses land for housing , working space ...
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