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Evolution and measurement of species diversity
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Vegetation of the Siskiyou Mountains, Oregon and California
II. PROCEDURE .................................. 285 Study Areas ................................. 285 Vegetation Samples and Soil Data ..... ..... 286 Arrangement of Samples in Transects .... . 286Expand
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Vegetation of the Great Smoky Mountains
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Communities and Ecosystems
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VEGETATION OF THE SANTA CATALINA MOUNTAINS, ARIZONA. V. BIOMASS, PRODUCTION, AND DIVERSITY ALONG THE ELEVATION GRADIENT'
Measurements were taken in 15 communities along the elevation gradient from fir forest at high elevations, through pine forest, woodlands, and desert grassland, to deserts at low elevations in theExpand
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New concepts of kingdoms of organisms
are those who consider questions in science which have no unequivocal , experimentally determined answer scarcely worth discussing. Such feeling, along with conservatism, may have been responsibleExpand
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The human dimension of fire regimes on Earth
Humans and their ancestors are unique in being a fire-making species, but ‘natural’ (i.e. independent of humans) fires have an ancient, geological history on Earth. Natural fires have influencedExpand
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Forest Dimensions and Production in the Great Smoky Mountains
Samples based on stand measurements and borings of trees, and clippings of undergrowth, were taken from 24 forests and forest heaths in the Great Smoky Mountains. Samples were taken also from heathExpand
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