A River System to Watch: Documenting the Effects of Saltcedar (Tamarix spp.) Biocontrol in the Virgin River Valley

摘要: spp.) can form dense, mono-typic stands and is often reported to have detrimental effects on native plants habitat quality (Everitt 1980; Shafroth et al. 2005). Natural resource managers of these riparian areas spend considerable time resources con-trolling saltcedar using a variety techniques, including chemical (Duncan McDaniel 1998), mechanical, burning methods (Shafroth Approximately one billion dollars are spent each year river restoration projects nationally (Bernhardt 2005), majority focus invasive species control in the Southwest (Follstad Shah 2007).A technique that has drawn much attention use leaf beetle (