Forests and Floods


IN the issue of July 16 NATURE published a letter on the above subject in which I showed that pulverised soil holds more of the rainfall than the same soil after it is consolidated by time and rainfall, and it was pointed out that trees by the growth of their roots prevented the consolidation of the soil, and so enabled forest lands to retain more of the rainfall than undisturbed ground.

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AITKEN, J. Forests and Floods. Nature 94, 420 (1914).

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