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SLELO PRISM

Tiered Species List

This tiered species list categorizes species by population distribution within the SLELO region and feasible management approaches: prevention, eradication, suppression localized control, and monitoring.

The Invasive Species Tiered List approach is data-driven and utilized by the Partnerships for Regional Invasive Species Management (PRISM) Network across New York State.

You can learn more about how the Invasive Species Tiered List was developed through this StoryMap, or view how specific species are ranked throughout NYS on this state-wide Invasive Species Tiered List.

<<<SLELO PRISM Tiers Appendix>>>

 <<< Early Detection Rapid Response Process>>>


Tier 1 Species (Prevention)

Species are not known to be present within the region but are within a 100 mile radius or a pathway exists. 


Tier 2 Species (Eradication)

Species are present in the region, but at low abundance. Eradication feasible within Priority Conservation Areas.


Tier 3 Species (Suppression )

Species are considered to be too widespread for eradication although, some areas remain unaffected. Infestations found within Priority Conservation Areas (PCA’s) are targeted


Tier 4 Species (Localized Control)

Species are considered too widespread to eradicate. High priority resources, like rare plant or recreation assets, are protected through localized management strategies.


Tier 5 Species (Monitor)

Species that may or may not be in PRISM but are difficult to respond to or that require more knowledge of.

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Rob Williams rwilliams@tnc.org 
PRISM Coordinator

Megan Pistolese megan.pistolese@tnc.org 
Outreach and Education

Brittney Rogers brittney.rogers@tnc.org 
Aquatic Invasive Species

Robert Smith robert.l.smith@tnc.org 
Terrestrial Invasive Species

Zachary Simek zachary.simek@TNC.ORG Conservation and GIS Analyst

During this time the best way to contact our team is via email.

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