Table 1.

Observed spatial associations. Regression coefficients and test statistics for OLS regression examining spatial relationships between three community attributes and annual temperature (T) after controlling for survey effort (E) for 404 CBC circles containing a total of 227 species. All factors were averaged over the period 1975–1977. Coefficients with p ≤ 0.05 are shown in bold.

coefficients.e.tp-value
species richness
 intercept−17.77262.1655−8.210.0000
T2.45210.081730.030.0000
E9.83390.533018.450.0000
body mass
 intercept1.88800.021787.090.0000
T−0.00810.0008−9.960.0000
E−0.02110.0053−3.950.0001
occupancy
 intercept337.770412.760626.470.0000
T−4.56900.4813−9.490.0000
E−6.13093.1408−1.950.0516