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MAV Potential Natural Vegetation (PNV) Mapping. Spring Steering Committee Meeting June 8, 2011 Tom Foti , Charles Klimas , Jody Pagan, Amy Keister. PNV Mapping: The Problem. Vast portions of the Lower Mississippi Alluvial Valley have been converted to agriculture

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mav potential natural vegetation pnv mapping

MAV Potential Natural Vegetation (PNV) Mapping

Spring Steering Committee Meeting

June 8, 2011

Tom Foti, Charles Klimas, Jody Pagan, Amy Keister

pnv mapping the problem
PNV Mapping: The Problem
  • Vast portions of the Lower Mississippi Alluvial Valley have been converted to agriculture
  • Hydrology has been changed at the landscape and local levels
  • The pre-settlement vegetation is no longer the appropriate restoration target
    • “Potential Natural Vegetation” refers to the native plant communities best adapted to establish and persist as the predominate cover on the landscape under the current hydrologic regime
pnv mapping the problem1
PNV Mapping: The Problem

1927 Flood

Current Levee System

pnv mapping the problem2
PNV Mapping: The Problem
  • Goal
    • Support ecosystem restoration planning
    • Support impact assessment and mitigation calculations
  • Objectives
    • Map and describe PNV communities at a scale useful for both landscape analysis and site-specific restoration
    • Use an HGM-based classification system to support functional assessment using HGM guidebooks for the region
pnv mapping where
PNV Mapping: Where
  • Arkansas sub-basins
    • Bayou Meto-Grand Prairie (Memphis District, CE)
    • Western Lowlands (EPA/State)
    • Boeuf-Tensas (Vicksburg District, CE)
    • St. Francis (EPA/State)
  • Louisiana sub-basins
    • Tensas (USFWS Joint Venture)
    • Ouachita-Boeuf-Macon Ridge (USFWS Joint Venture)
  • Mississippi
    • Yazoo Basin (Walton Family Foundation/ USFWS Joint Venture/CE)
pnv mapping how
PNV Mapping: How
  • Identify and describe appropriate communities for specific combinations of site factors:
    • Hydrology/hydrography
    • Geomorphology
    • Soils
pnv mapping how1
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
    • Produce and document PNV maps
pnv mapping how2
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
pnv mapping how3
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
pnv mapping how4
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
      • Ducks Unlimited Flood model
pnv mapping how5
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
      • Ducks Unlimited Flood model
      • National Hydrography Dataset
pnv mapping how6
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
      • Ducks Unlimited Flood model
      • National Hydrography Dataset
      • Geomorphology Saucier 1:250k
pnv mapping how7
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
      • Ducks Unlimited Flood model
      • National Hydrography Dataset
      • Geomorphology Saucier 1:250k
      • Soils – Parish level
pnv mapping how8
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
pnv mapping how9
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
pnv mapping how10
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
pnv mapping how11
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
pnv mapping how12
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
pnv mapping how13
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
    • Produce and document PNV maps
pnv mapping how14
PNV Mapping: How
  • Approach
    • Assemble or develop required spatial data
    • Classify and describe plant communities based on field studies and literature
    • Develop additional data as needed and specify mapping criteria
    • Produce and document PNV maps
      • 118 processes
pnv mapping result applications
PNV Mapping: Result & Applications
  • Goal
    • Support ecosystem restoration planning
    • Support impact assessment and mitigation calculations
  • Objectives
    • Map and describe PNV communities at a scale useful for both landscape analysis and site-specific restoration
    • Use an HGM-based classification system to support functional assessment using HGM guidebooks for the region
pnv mapping result applications1
PNV Mapping: Result & Applications

Rethinking Flood Control?

1927 Flood

Current Levee System

pnv mapping result applications2
PNV Mapping: Result & Applications

Rethinking Flood Control?

  • Arkansas sub-basins
    • Bayou Meto-Grand Prairie (Memphis District, CE)
    • Western Lowlands (EPA/State)
    • Boeuf-Tensas (Vicksburg District, CE)
    • St. Francis (EPA/State)
  • Louisiana sub-basins
    • Tensas (USFWS Joint Venture)
    • Ouachita-Boeuf-Macon Ridge (USFWS Joint Venture)
  • Mississippi
    • Yazoo Basin (Walton Family Foundation/ USFWS Joint Venture/CE)
mav potential natural vegetation pnv mapping1

MAV Potential Natural Vegetation (PNV) Mapping

Spring Steering Committee Meeting

June 8, 2011

Amy Keister