Sentence examples for empirical classes from inspiring English sources

Those included the honey mesquite-Pinchot juniper and chokecherry-Pacific dogwood empirical classes, and the North American Boreal Conifer Poor Swamp USNVC class, likely because those empirical classes were largely determined by western species.

When comparing the FIA and empirical classes in the eastern U.S. in terms of species composition, similar analogs stand out.

Considering this, it is not surprising that recent environmental data would predict the empirical classes better than the FIA classes.

The empirical classes are the result of an unsupervised cluster analysis of all tree species in FIA plots (Costanza et al. 2017).

The largest empirical classes in terms of numbers of plots had relatively high similarities in species composition with more than one FIA class.

For assigning plots to empirical classes, calculating species composition similarity, and analyzing indicator and dominant species, we needed information on species composition within each plot.

For example, the balsam fir-quaking aspen empirical class was associated with five USNVC classes.

Therefore, our results suggest that the empirical class is more inclusive than the FIA class.

The slash pine-longleaf pine empirical class was associated with the longleaf/slash pine FIA class.

The balsam fir-quaking aspen empirical class was associated with three FIA classes – the spruce/fir, aspen/birch and white/red/jack pine – suggesting that the empirical class is more heterogeneous than the FIA class.

Biplots from correspondence analysis indicate a few cases in which one empirical class was associated with several USNVC classes (Fig. 2a).