A STUDY OF BARE LANDS IN THE MIDDLE SINANO REGION

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  • 中部信濃の禿赭地
  • チュウブ シナノ ノ ハゲシャチ

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Description

The distribution of bare lands in Middle Shinano shows very distinct features. They are found on the south slopes of hills surrounding, the basin, but rarely on their north slopes. Eanh slope is covered by vegetation different from that of the others; that is, south slopes are either covered by scattered Pinus thunbergii or occupied by almost bare land, while north slopes are covered by Pines, Quercus glanizzlifera, or other shrubs. (North slope soils are fertile, being uneroded despite their generally steeper inclination as compared to soy th slopes.)<br> This landscape has been caused by low precipitation and a high percentage of sunshine during the winter season. Sinee it does not snow mnuci h and freezing is severe, weathering by frost is remarkable at adret in this area and fine Sands run off when it rains in the spring. Howvever, this is not a normal erosion but an aecelelated soil-erosion; the vegetation is of :secondary mature and seems to have been destroyed by human activities such a rootdigging and gathering of forest litter, although, as yet, the data are insufficient to prove the above statement. It may be done in the near future.

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