World Dynamics |
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Page 5
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 food supply as assumed in Figure 1 - 3 . A position along ...
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 food supply as assumed in Figure 1 - 3 . A position along ...
Page 6
The fifth column gives the land units per person available for growing food . The
last column is the food ratio taken from Figure 1 - 3 corresponding to each value
of land availability in the preceding column . During the first 600 years , while ...
The fifth column gives the land units per person available for growing food . The
last column is the food ratio taken from Figure 1 - 3 corresponding to each value
of land availability in the preceding column . During the first 600 years , while ...
Page 38
7 Natural Resource Fraction Remaining NRFR The actual natural resources NR
divided by the natural resources initial NRI gives the natural - resource fraction
remaining NRFR . NRFR . K = NR . K / NRI 7 , A NRFR - NATURAL - RESOURCE
...
7 Natural Resource Fraction Remaining NRFR The actual natural resources NR
divided by the natural resources initial NRI gives the natural - resource fraction
remaining NRFR . NRFR . K = NR . K / NRI 7 , A NRFR - NATURAL - RESOURCE
...
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Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
5 other sections not shown
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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 factors falling Figure food production food ratio food supply forces fraction 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 needed normal NREM occurs peak person policies pollution absorption pollution crisis pollution ratio POLR population possible PRESENT ORIGINAL pressures probably processes rate normal RATIO DIMENSIONLESS 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
Bibliographic information
| Title | World Dynamics |
| Authors | Jay W. Forrester, JAY W AUTOR FORRESTER |
| Edition | 2 |
| Publisher | Wright-Allen Press, 1971 |
| Original from | the University of Michigan |
| Digitized | 5 Nov 2007 |
| Length | 142 pages |
| Export Citation | BiBTeX EndNote RefMan |