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Ecological Condition of the Lower 48 States. TNCs Mission …to preserve the plants, animals and natural communities that represent the diversity of life.

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Presentation on theme: "Ecological Condition of the Lower 48 States. TNCs Mission …to preserve the plants, animals and natural communities that represent the diversity of life."— Presentation transcript:

1 Ecological Condition of the Lower 48 States

2 TNCs 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 reference conditioncurrent condition

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

7 Ecological Departure Cont…

8 Ecological Departure (aka fire regime condition class) ClassDepartureName 10-33%Low %Moderate %High

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

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 Lets 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 - AssessingVegetation Conditions.htm Google: Landfire Vegetation Departure Calculator OR go to -

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

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20 Take Home Messages

21 Ecological Departure

22 Results


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