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 |