KARTAWINATA et al: Grass communities on Oahu
1972
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For the windward group, there was a significant correlation (Table<br />V) only between the amount of rainfall and the order of the plots on the<br />X-axis. It has been shown in the ordination diagram (Fig. 4) that three<br />community types can be recognized, the Rhynchelytrum repens, Melinis<br />minutiflora and Andropogon virginicus community types. The relationship<br />between the change of the grass dominance and the rainfall gradient along<br />the X- axis is shown in Fig. 9. In this diagram the X-axis was divided<br />into ten segments: 0.0 — 9.9; 10.0 — 19.9; 20.0 — 29.9; 30.0 — 39.9;<br />40.0 — 49.9; 50.0 — 59.9; 60.0 — 69.9; 70.0 — 79.9; 80.0 — 89.9 and<br />90.0 — 100.0. The intervals 20.0 — 39.9 and 50.0 — 69.9 were considered<br />as individual units because there was only one plot in the intervals<br />20.0 — 29.9 and 50.0 — 59.9, respectively.
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