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Factors controlling soil spatial variability in a native range landscape

Authors: Paroussis, E. (Elias), author; Heil, Robert D., advisor; Weitz, Joseph Leonard, 1922-, committee member; Cipra, Jan E., committee member;

Factors controlling soil spatial variability in a native range landscape

Abstract

Soils were characterized along three transects of the same catenary sequence within the semi-arid shortgrass (Bouteloua gracilis) steppe of north central Colorado. The objectives of the study were to: 1. Evaluate which factor or combination of factors (i.e. parent material, topography, biota) is/are the most important controls on soil development, soil organic matter accumulation and soil textural attributes in this environment. 2. Evaluate the spatial variability of selected soil properties and relate this variability to geomorphic form and process. The results indicate a high degree of spatial variability in all soil properties studied. Parent material, erosional (both wind and water) processes, and topographic relationships appear to be the major controlling factors on the degree of soil development, accumulation of soil organic matter, and distribution of particle sizes within the surface horizon of the soils found on the catena. Evaluations of organic carbon, nitrogen and phosphorus, thickness of the surface horizon and solum, depth to lime and particle size data indicate that soil development on this landscape is highly atypical when compared to soil landscape relationships reported in the literature. Soil properties are highly variable within landscape segments as well as across the transects of the same landscape.

Country
United States
Keywords

Soils -- Analysis, Rangelands -- Colorado

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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