Table 3 Topographical analysis.

From: Waterfowl occurrence and residence time as indicators of H5 and H7 avian influenza in North American Poultry

Attribute

r (%)

Slope

−0.51 (0.00)

Elevation

−0.59 (0.01)

Compound Topographic Index

0.93 (0.81)

Terrain Roughness Index

−0.52 (0.18)

  1. Correlation of 4 topographical attributes to decomposed component retained as a topographical covariate. Attribute name (Attribute), Pearson correlation (r) with parenthetical proportion of variance explained (%), and attribute description. All correlations were significant at the \(\alpha =0.001\) threshold.
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