Zur Geschichte und Theorie des Bergregals und der Bergbaufreiheit

The shadow of the world's future, or The earth's population possibilities & the consequences of the present rate of increase of the earth's inhabitants

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Monograph

Identifikator:: 101034126X

URN:: urn:nbn:de:zbw-retromon-20183

Document type:: Monograph

Author:: Arndt, Adolf http://d-nb.info/gnd/117662690

Title:: Zur Geschichte und Theorie des Bergregals und der Bergbaufreiheit

Edition:: Zweite verbesserte und vermehrte Auflage

Place of publication:: Freiburg im Breisgau

Publisher:: J. Bielefelds Verlag

Year of publication:: 1916

Scope:: 1 Online-Ressource (288 Seiten)

Digitisation:: 2018

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

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Document type:: Monograph

Structure type:: Chapter

Title:: Das Böhmisch-Mährische Bergrecht

Collection:: Economics Books

66 THE SHADOW OF THE WORLD’S FUTURE about 0-435 tons, and of maize and rice as about 0-640 tons, each per acre. The maize and rice happen to have the highest food-values, but the locality governs the kind of grain that can best be produced. For this reason no practicable change in the kind of grain grown can be regarded as affecting the above results appreciably. The total yield in the above table is 390:44 million tons, and represents the requirements of less than, say, 1850 millions of people, about the total corresponding to the date of the returns. Making no allowance for the fact that 1850 millions is too large a number to which to relate the returns—possibly the error caused thereby may be disregarded—each person on the average annually requires, directly and indirectly, 473 lbs. of the mixture of the above cereals, etc. If we take account of the fact that 1850 millions is too large a number, this result should be increased by about, say, 37 per cent. It would thus be about 648 lbs. instead of 473. We are inclined to think that this figure is somewhat excessive. Man has, of course. out of this to provide for his seed supplies, and also supplies for his dependent animals. In Australia, where meat-eating is considerable, about 342 lbs. is the average quantity per person for direct consumption. Supposing every acre cultivated could be made to grow the world-average of 13-27 bushels, say about 796 lbs., then the available area of 31-2 per cent. of the so-called “productive land,” viz., 16-38 millions of square miles, would give, with the require- ment of 473 lbs. per person, a possible population of 17,642 millions, or with the larger figure, say about 12,900 millions. Remembering, however, that the “ productive area’ is enormously greater than the area that could possibly be applied to the growth of cereals, etc., it can be seen that a population of, say, 17,000 millions is unquestionably not even approximately

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