The Structure of <i>Pinus hartwegii</i>at the Cofre de Perote, Veracruz,

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A study was conducted on the forest structure of Pinus hartwegii Lindl., located at the Cofre de Perote National Park. The density, diameter, height and wooded coverage were evaluated along an altitudinal gradient from 3500 to 4000 meters in 20 plots of 1
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