Find what tier 2 species may
be hiding in your area!
For information on the difference between an emerging and widespread plant, check out our Tier List, which ranks the species of concern for the region in order of abundance and management strategy. Tiers 1 and 2 are considered high priority species due to the possibility of prevention and eradication within our region if we focus efforts on identification and early detection through education and outreach. Each PRISM has a tier list that is used to prioritize management projects once species are identified. These lists cover all taxa of invasive species.
The invasion curve is a tool to determine applicable management prioritization for species based on the area infested, the cost of control, and the amount of time it will take to manage. It shows the importance of control for species under tier 1 (prevention) and tier 2 (eradication) as those projects are likely the most cost and time-effective.
Tier list species are also determined using the NYS regulated/prohibited lists here as well as the NYS invasiveness rankings found here.
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