Table 3 Relative contribution and overall trend of predictor variables for boosted regression tree models of moose (Alces alces) crop damage across cultivated regions of the Prairie and Boreal Plains ecozones of Canada, 1993–2012.
Predictor | Relative Contribution (%) | Trend |
---|---|---|
Number of farms with cover crops | 14.0 | + |
Proportion oilseeds | 12.6 | + |
Number of farms with windbreaks | 12.4 | − |
Proportion pulses | 11.0 | + |
Proportion forest | 10.1 | + |
Distance to nearest settlement | 8.7 | + |
Distance to nearest protected area | 8.4 | + |
Proportion alfalfa | 6.2 | + |
Proportion wetland | 6.1 | + |
Proportion urban | 5.3 | − |
Proportion grains | 5.0 | + |