Hamatani, S. (The Hiroshima Botanical Garden)
Observations of plants of Mt. Roraima and the around area in Guayana Highland
It was examined plants and pH of soils at Mt. Roraima, which was one of
the table mountains of Guayana Highland in north of South America, and
at Parai-Tepuy which was a lower area near Mt. Roraima. The values of pH
were observed between 4.0 and 6.0 on the upper-areas of Mt.Roraima, and
between 5.0 and 5.5 at Parai-tepui. According to geographical isolation
and climatic differences, it was observed complete differences in the vegetations
between Mt. Roraima and Parai-tepui.
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