1996
DOI: 10.4141/cjss96-062
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Rocky Mountain forest soils: Evaluating spatial variability using conventional statistics and geostatistics

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Cited by 27 publications
(19 citation statements)
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“…Traditional statistics assume that measured observations are independent of their distribution in space. That is, that soil variation is randomly distributed and the sampling unit mean is the expected value at any location within the unit, with error expressed as the withinunit variance (Hamlett et al, 1986;Cambardella et al, 1994;Rahman et al, 1996). The spatial dependence of soil properties means that, from a mathematical standpoint, the value of a property is a function of its position.…”
Section: Understanding the Backgroundmentioning
confidence: 99%
See 1 more Smart Citation
“…Traditional statistics assume that measured observations are independent of their distribution in space. That is, that soil variation is randomly distributed and the sampling unit mean is the expected value at any location within the unit, with error expressed as the withinunit variance (Hamlett et al, 1986;Cambardella et al, 1994;Rahman et al, 1996). The spatial dependence of soil properties means that, from a mathematical standpoint, the value of a property is a function of its position.…”
Section: Understanding the Backgroundmentioning
confidence: 99%
“…The variation of soil properties, or the natural background "noise," can be estimated using Geostatistics. This provides a set of descriptive tools for incorporating the spatial coordinates of soil properties in data processing (Goovaerts, 1998(Goovaerts, , 1999 and provides insight into the nature of variability in soil properties which conventional statistics do not (Rahman et al, 1996). Geostatistics allows the description and modeling of spatial patterns, the prediction of properties at unsampled locations, and the assessment of the uncertainty attached to these predictions (Burgess et al, 1981;Isaaks and Srivastava, 1989;Desbarats, 1996;Goovaerts 1998).…”
Section: Understanding the Backgroundmentioning
confidence: 99%
“…This nested model implies that the short-range variations of leaching are due to the presence of local pedotopographic characteristics such as soil properties and land-cover, according to Cambardella et al (1994), Rahman et al (1996), andFitzjohn et al (2002). This finding suggest that the increase of variability in pedotopographic properties produces a mosaic pattern of source and sink area.…”
Section: Resultsmentioning
confidence: 74%
“…In the A horizon, the delta pH was fitted to an exponential model, presenting a R 2 equal to 0.73 and a strong SDI. Rahman et al (1996) found low spatial dependence for pH in forest soils, adjusting semivariograms to a linear model with undetermined range. In soils covered by Pinus nigra stands, Basaran et al (2006) found a pure nugget effect for pH and low SDI for SOM.…”
Section: Resultsmentioning
confidence: 99%