Table 2.
Results of multiple regression analyses relating four within-population genetic diversity estimates to population size (treated as an ordinal variable), geographical latitude, distance to the nearest population (Dist1), and mean distance to the rest of the populations (Dist2), for the set of 27 Narcissus longispathus populations studied
| Standardized partial regression coefficients |
Significance of regression |
||||||
|---|---|---|---|---|---|---|---|
| Dependent variable | Population size | Latitude | Dist1 | Dist2 | R2 | F4,22 | P-value |
| P99 | 0·019 | 0·747** | –0·498*** | –0·260 | 0·345 | 4·42 | 0·009 |
| A | 0·096 | 0·666* | –0·369* | –0·138 | 0·272 | 3·43 | 0·025 |
| Ho | 0·059 | 0·247 | –0·247 | 0·174 | 0·047 | 1·32 | 0·29 |
| He | –0·036 | 0·393 | –0·335 | 0·128 | 0·185 | 2·47 | 0·074 |
*0·05 < P < 0·07; **P < 0·05; ***P < 0·01. Significant coefficients are shown in bold type.