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Northeast Temperate Network

The Network covers 8 states from Coastal Maine to New Jersey, working with 12 parks to manage over 10,000 plant species and rank invasive plants. The System merges existing protocols for field use, helping parks prioritize management efforts.

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Northeast Temperate Network

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  1. Northeast Temperate Network Invasive Plant Assessment System

  2. What is the “Network” • 12-parks, plus the Appalachian Trail • ≈ 9 acres to ≈ 47,000 acres • 10 are National Historic Parks or Sites • mandated to maintain historical features, landscapes or practices • Eight states (Network Proper) • Coastal Maine to central New Jersey • ME, NH, VT, MA, CT, NY, NJ, and PA • Fourteen states (Appalachian Trail) • ME, NH, VT, MA, CT, NY, NJ, PA, WV, MD, VA, TN, NC, GA.

  3. What does the Network Do? • Inventory vertebrates and Vascular Plants • Work with parks to identify key resources • Develop plans to monitor resources

  4. Key Resources / Concerns Of 46 ecological stressors considered by Parks and Network Staff, Invasive Plants were ranked 3rd

  5. The Problem

  6. Regional Comparison(14 States) • 10829 Plant Species • 2207 Non-native Species • 20.38% Non-native Data Source: USDA Plants database

  7. What are Parks Trying to Accomplish, and Where to Begin • Parks compete for funding to manage invasive species • Must know what they have, and • Must know which are most problematic • Parks have preliminary plant lists • Select a prioritization protocol to determine highest management priority

  8. Invasive Plant Assessment System • Incorporates two existing Protocols • Alien Plant Ranking System • Invasive Species Assessment Protocol • Merges both systems into a common user interface • Uses existing plant inventory data • Generates prioritization scores based on user responses

  9. The System

  10. Alien Plant Ranking System

  11. Alien Plant Ranking System

  12. Invasive Species Assessment Protocol

  13. Invasive Species Assessment ProtocolScoring

  14. Invasive Species Assessment ProtocolScoring

  15. Invasive Species Assessment ProtocolScoring

  16. Invasive Species Assessment ProtocolReporting

  17. Current Status • Nearly ready for field use • Requires adaptation for Non-park use

  18. Questions??

  19. Citations • Hiebert, R.D. and J. Stubbendieck. 1993. Handbook for Ranking Exotic Plants for Management and Control. U.S. National Park Service Natural Resources Report NPS/NRMWRO/NRR-93/08. • Morse, L.E., J.M. Randall, N. Benton, R. Hiebert, and S. Lu. 2004. An Invasive Species Assessment Protocol: Evaluating Non-Native Plants for Their Impact on Biodiversity. Version 1. NatureServe, Arlington, Virginia.

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