EFFECTS OF AN AERIAL APPLICATION OF VISION® ON MOOSE BROWSE - FIRST YEAR RESULTS
Abstract
Experimental aerial treatment of 7 mixedwood areas for conifer release with Vision® at 0.80, 1.06, and 1.60 kg a.e./ ha, decreased living stem densities after one winter by 36, 61 and 47% respectively on treated plots, while controls increased by 25%; thus, decreases in total numbers of living hardwood stems were not proportional to application rates. Hardwood shrub cover was reduced by application rates of 1.06 and 1.60 kg a.e. / ha, but not by 0.80 kg a.e. / ha Although 1.06 kg a.e. / ha reduced cover almost twice as much as the highest concentration, differences were not significant. Herbaceous ground cover was reduced approximately 20% on all treated areas when compared with control plots. Browsing rates decreased on all plots after treatment and were twice as high on controls when compared with treated sub-blocks. However, neither differences among treatments, nor between treated and control plots were significant.
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