Soil Survey, Walnut Gulch Experimental Watershed, Arizona PDF Download
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Author: Frederick W. Gelderman
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 76
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Author: Frederick W. Gelderman
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 76
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Author:
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Category : Watershed management
Languages : en
Pages : 52
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Author: K. S. Hanks
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Category : Groundwater
Languages : en
Pages : 16
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Author:
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Category : Soil surveys
Languages : en
Pages : 752
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Author: Christopher C. Cochran
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Category : Soil surveys
Languages : en
Pages : 362
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Category : Forests and forestry
Languages : en
Pages : 636
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Author: W. R. Osterkamp
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Category : Forests and forestry
Languages : en
Pages : 56
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Analyses of water- and sediment-yield records from the Walnut Gulch Experimental Watershed, the San Simon Wash Basin, and the Jornada Experimental Range, combined with observations of regional variations in climate, geology and soils, vegetation, topography, fire frequency, and land-use history, allow estimates of present conditions of water and sediment discharges in the upper Animas Creek Basin, New Mexico. Further, the records are used to anticipate fluxes of water and sediment should watershed conditions change. Results, intended principally for hydrologists, geomorphologists, and resource managers, suggest that discharges of water and sediment in the upper Animas Creek Basin approximate those of historic, undisturbed conditions, and that erosion rates may be generally lower than those of comparison watersheds. If conversion of grassland to shrubland occurs, sediment yields, due to accelerated upland gully erosion, may increase by 1 to 3 orders of magnitude. However, much of the released sediment would likely be deposited along Animas Creek, never leaving the upper Animas Creek Basin.
Author: Claudia M. Regan
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Category : Biotic communities
Languages : en
Pages : 546
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Vegetation at the Glacier Lakes Ecosystem Experiment Site, a 600 ha research site at 3200 to 3500 m elevation in the Snowy Range of southeastern Wyoming, was categorized and described from an intensive sampling of species abundances. A total of 304 vascular plant taxa were identified through collection and herbarium documentation. Plots with tree species were separated from those without tree species for ordination and classification analyses. Detrended correspondence analysis was used to order plots along major axes of composition variation, which are inferred moisture and topographic gradients. Cluster analysis was used to categorize plots based on composition similarity. The resulting groups were named according to species dominants. We identified and described in detail 4 meadow, 4 thicket or scrub, 3 krummholz, and 2 forest plant associations.
Author: F. Libby
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Category : Geology
Languages : en
Pages : 26
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Author: Thomas Herbert Means
Publisher:
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Category : Agriculture
Languages : en
Pages : 72
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