1 / 27

M A G I S M ulti-resource A nalysis and G eographic I nformation S ystem

M A G I S M ulti-resource A nalysis and G eographic I nformation S ystem. Developed by: Rocky Mountain Research Station University of Montana. MAGIS Description. Schedules Vegetation Treatments User-specified Objectives Access availability Schedules Road Activites

jamescedwards
Download Presentation

M A G I S M ulti-resource A nalysis and G eographic I nformation S ystem

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. M A G I SMulti-resource Analysis and Geographic Information System Developed by: • Rocky Mountain Research Station • University of Montana

  2. MAGIS Description • Schedules Vegetation Treatments • User-specified Objectives • Access availability • Schedules Road Activites • User-specified Objectives • Access Needs • Solver analyzes vegetation treatments and road activities simultaneously

  3. Why do optimization modeling? • Large problems not easily solvable by ‘back-of-the-hand’ modeling • Most prudent use of public money • Can save thousands of $$ • Most ‘efficient’ solution for veg and network problems • Ecosystem benefits balanced with economic benefits

  4. maGIS based SPATIAL analysis GIS coverages used as data input

  5. Land Management Parameters • Management Regimes • Prescribed Fire • Mechanical Thinning • Harvesting at various levels • Yarding methods • Vegetation Characteristics • Successional changes • Residual Volume and Growth • Mortality

  6. Transportation Parameters • Road Activities • Construction (temporary or classified) • Reconstruction • Decommissioning • Traffic routing

  7. Effects Functions • Harvest quantities • Acres with specified characteristics • Miles with specified characteristics • Costs • Net Revenues - - - - - - - - - - Each can be computed by zone, eg. Watershed

  8. MAGIS Input • Pathways from SIMPPLLE (or other) • GIS data (veg polygons, network) • Fixed and Variable road/traffic costs • Growth increment model (percent) • Rules for treatment assignment • Rules for harvest volume • Effects functions parameters • Solution Setup-objective and constraints

  9. MAGIS Output (Solution) • Schedule of treatments by polygon • Schedule of road projects by link • Value of each effects function • Map of treatment schedule • Map of road ‘schedule’ • Map displays of effects functions, traffic

  10. MAGIS Scenarios Proposed Action Develop Alternatives Compare/Analyze Alternatives MAGIS in the Planning Process Analysis Area Goals and Objectives Priorities and Issues Human Judgment ID Team

  11. Upper Belt Project Area Upper Belt Project Area

  12. Upper Belt Vegetation by Size Class

  13. No Action

  14. Sample Scenario 1 • Size Class Objectives • MIX = 0 % by decade 5 • POLE = 15 % by decade 5 • SEEDSAP = 15% by decade 5 • LARGE = 70% by decade 5 • Minimize Cost

  15. Scenario 1 Schedule of Treatments

  16. Compare No Action & Scenario 1 No Action Scenario 1

  17. Scenario 1 Stats … Vegetation Treatments (acres) Decade Harvest Volume Road Construction (mmbf) (miles) Decade Decade Total Cost = $6.2 million (Discounted)

  18. Scenario 2 • Size Class Objectives • MIX = 0 % by decade 5 • POLE = 15 % by decade 5 • SEEDSAP = 15% by decade 5 • LARGE = 70% by decade 5 • No Road Construction • Minimize Cost

  19. Scenario 2 Schedule of Treatments

  20. Scenario 1 Scenario 2

  21. No Action Scenario 2 Scenario 1 Compare No Action & Scenarios

  22. Scenario 1 and 2 Stats… Total Cost (discounted) Vegetation Treatments ($ millions) (acres) Decade Road Construction Harvest Volume (mmbf) (miles) Decade Decade

  23. Comparing MAGIS Express and Pro… Express Pro Target Application Project Planning Watershed Analysis (5th code HUC+) ArcGIS Interfaces Yes Yes Modeling Options Simple Flexible Solver Heuristic (planned) Mathematical Programming

  24. Comparing MAGIS Express and Pro… Express Pro _ Multiple Timber Products X X Non-timber outputs X Non-harvest activities X X Network Projects/Traffic X X Percent Growth Model X X State Growth Model X Fixed Road Cost Lookup Table X Fixed Road Cost by Link (GIS) X X Multiple Traffic Types X X Traffic Cost Lookup Table X Traffic Cost by Link/Rd Option X X

  25. Connections with other models… SIMPPLLE Treatment Schedule MAGIS Express andPro Vegetative States And Pathways SIMPPLLE or other resource Simulation Models

  26. Modeling Approach Calculated Overall Effects and Economics SIMPPLLE SIMPPLLE Step 3: 20 Simulations for Each MAGIS Scenario Step 1: 20 Simulations of No Action Location & Severity of Disturbance Processes Location & Severity of Disturbance Processes RISK INDEX MAGIS MAGIS Step 2: Optimization based on Management Objectives & Constraints Step 4: Apply SIMPPLLE treatment-process simulations to MAGIS Schedule of Treatments in Time & Space

  27. Availability Information • MAGIS on web: • http://www.fs.fed.us/rm/4802/MAGIS • Technical Support ‘Hotline’ • jsullivan@fs.fed.us • 406-542-4185

More Related