Managing an invasive species is rarely a matter of simple removal, since most invasive populations have already established themselves deeply enough that eradication, while occasionally achievable on a small isolated site, is usually replaced by a longer-term goal of control, keeping numbers low enough that native species can genuinely coexist.
Effective management typically combines several methods, physical removal, targeted use of specific control agents, and restoration of the native habitat that gives local species a genuine competitive advantage once the invasive pressure has been meaningfully reduced from its original level of dominance across the site.
Because invasive populations can rebound quickly if management stops, the work tends to be ongoing rather than a project with a fixed, permanent endpoint, which requires sustained funding and community patience well beyond the more visible and immediately satisfying initial removal effort that typically launches the whole program. It is easy to underrate, precisely because it rarely calls attention to itself.