David J. Augustine and Douglas A. Frank. 2001. Effects of migratory grazers on spatial heterogeneity of soil nitrogen properties in a grassland ecosystem. Ecology 82:3149-3162.
Appendix A: Residual mean squared error (RMSE) and tests of statistical significance for models fitted to semivariograms of soil nitrogen properties measured in grazed and ungrazed grassland in Yellowstone National Park.
Ecological Archives E082-035-A1.
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