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Ecological Condition of the Lower 48 States

Ecological Condition of the Lower 48 States. TNC ’ s Mission. …to preserve the plants, animals and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive. Project Objectives:.

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Ecological Condition of the Lower 48 States

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  1. Ecological Condition of the Lower 48 States

  2. TNC’s Mission …to preserve the plants, animals and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive.

  3. Project Objectives: The objectives of this analysis are to calculate ecological departure inside and outside of various landscape classes and ownerships.

  4. Ecological Departure

  5. Ecological Departure reference condition current condition

  6. Ecological Departure cont… Standard 5-Box Model B) Mid-closed C) Mid-open A) Early, post-replacement E) Late-closed D) Late-open Succession Disturbance

  7. Ecological Departure Cont…

  8. Ecological Departure 1924 1999 (aka fire regime condition class)

  9. Data & Methods Departure Dominate Cover Lifeform Ownership TNC Portfolio Sites States TNC Divisions Ecoregions Fire Regime Groups

  10. Data & Methods

  11. Jobs for “the Calculator” • Explore vegetation departure for BIG areas: • Regions • States • Compare departure between agencies for the country or particular states • Learn about historic fire regimes by state, agency, TNC portfolio sites, departure level Let’s try it!

  12. Results

  13. Appropriate Use Zumwalt Preserve ~ 33, 000 Acres Middle Rockies Blue Mountains Ecoregion ~ 50 million Acres Greater than ½ million Acres as a rule of thumb

  14. Where to get the Calculator - Google: Landfire Vegetation Departure Calculator OR go to - http://www.tncfire.org/AssessingVegetationConditions.htm

  15. Take Home Messages • Ecological conditions across the L48 are highly departed • This tool is useful for evaluating program and policy decisions at the state, regional and national level.

  16. Questions Comments Feedback

  17. Results

  18. Results

  19. Results

  20. Take Home Messages

  21. Ecological Departure

  22. Results

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