電話通話を指標とする結節地域の階層性について--主に九州を例として
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概要
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Nodal regions with central places as their foci have been studied by many geographers, to understand regional structure from functional viewpoint. But in our country we have few studies from national wide viewpoint except T. Arisue's study on passenger traffic regions. In the field study of Kyushu the author tried to classify hierarchy of nodal regions and understand their hierarchical system by using telephone call method, because he thinks that we can be approachable step by step to the regional structure by such studies, and that telephone call method used by H.L. Green is one of the most effective methods for them.By this method we can recognize 6 orders of nodal regions and central places in Japan as follows:1st order centre in Japan-Tokyo.2nd order centre-Osaka, the influence of which is dominant in the western part of Japan.3rd order centre-Fukuoka, Sapporo, Nagoya and so on, as fig. 3 shows. Of them Fukuoka and Sapporo in the farthest distance from 1st or 2nd order centre, are the most important centres except Nagoya in an important industrial region.4th order centre in KyuShu-As fig. 1. shows, 6 central places of this order are administrative centres of prefecture. Besides there are an industrial city-complex, whose foci are Kokura, Yahata and Shimonoseki, and Sasebo, an old naval port. Moreover there are a few subsidiary centres of this order: Naze, Nobeoka, Nakatsu and Izuhara.5th order centre-cities and large towns (fig. 1). Their tributary areas equal with old Gun-areas, or are smaller than them, but boundaries of the nobal regions correspond not allways with ones of old Gun-areas. We can classify the centres of this order in 3 types by their relations to another centres (5A, 5B, 5C). Besides we can recegnize some centres of transitional types between 5th and 6th order (5'D-5'G).5th order centre-the settlements at village office. We may recognize them, but they can not be classified from this method practically.Though there seem to be apparent differences between central places of every order on their mean population, it is very difficult to classify them clearly.
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