Forest vegetation of the oki islands in the southwestern japan sea

概要

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Based on physiognomical investigations in Dogo, Japan, it was proved that forests of the Oki Islands comprise a variety of vegetation types, ranging from cool temperate zone to warm temperate zone vegetation. These vegetation types were found to persist in a so-called intermediate temperate zone, where regions with a warmth index of less than 85℃ months (M) and a coldness index of more than -10℃ M meet. The presence of a variety of vegetation types in a mixed state was likely a result of the temperature environment and refuges formed when vegetation belts shifted following past climatic changes.
首都大学東京の論文