Winter use of glyphosate-treated clearcuts by moose in Maine

摘要: Aerial treatment of naturally regenerating clearcuts with the herbicide glyphosate initially reduces availability deciduous browse, but may subsequently improve bedding cover for moose (Alces alces). However, potential effects these vegetative changes on use by has received little study. We studied in Maine (1) and (2) conifer during 2 periods, 1-2 7-11 years posttreatment. made counts tracks, beds, pellet groups transects treated untreated January-March 1992 1993 measured densities 1991-93. At 1 posttreatment, tracks foraging were 57 75% less abundant than (P = 0.013). Counts total exhibited similar patterns as did not differ > 0.1) between treatments. 0.05) beds 0.06) greater clearcuts. Conifer at posttreatment affected treatment, conifers 2.0-2.9 m tall times more < Less activity appeared to be result reduced browse because was hypothesized that older due increased sites cover.