Table 2.
Regression coefficient |
Partial regression coefficent |
|||
---|---|---|---|---|
Linear | Quadratic | Linear | Quadratic | |
Winter temperature | –0·26** | –0·12 | –0·23* | –0·088 |
Growing season precipitation | 0·19 | –0·127 | 0·129 | –0·11 |
Genome size and environmental variables were standardized within cytotypes prior to regression analysis.
* P < 0·05; ** P < 0·01.