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Table 5 Regression analysis of the effect of site variables on the acorn production in Seoraksan and Odaesan National Parks

From: Annual and spatial variabilities in the acorn production of Quercus mongolica

Variable 2018 2019
a b F p value a b F p value
Elevation 0.441 0.001 3.165 0.084 − 1.425 0.002 18.911 0.000
Slope 1.156 0.006 0.215 0.646 1.743 − 0.033 6.484 0.015
Soil depth 1.614 0.008 0.919 0.344 1.087 0.009 0.769 0.386
Soil A-layer depth 1.438 0.044 0.783 0.382 0.543 0.091 2.668 0.111
Soil OMa 1.859 0.396 0.328 0.571 0.057 0.538 0.438 0.512
Soil water content 1.133 0.006 0.268 0.608 0.810 0.001 0.004 0.950
  1. a intercept, b regression coefficient, Soil OM soil organic matter
  2. alog10-transformed, p < 0.05 in bold