Forest Ecosystem Monitoring Cooperative

Incidence of Ozone and Its Effects on Vegetation in Lye Brook Wilderness Area: Ozone effects on Vegetation in the Lye Brook Wilderness Area: Ozone Effects on Vegetation

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Metadata Provider

  • Forest Ecosystem Monitoring Cooperative

    • Address:
      705 Spear Street
      South Burlington, Vermont 05403
      United States of America

      Phone: (802) 656-2975


    To monitor ozone concentrations near and within Lye Brook Wilderness (LBW) and relate these concentrations to the degree of injury to vegetation within LBW.


  • William Manning: Principal Investigator

  • Florence Peterson: Principal Investigator

  • James O'Brien: Content Provider


  • ozone, tree health,

Geographic Coverage

  • Coordinates
    • Coordinate System

    Data Table

    • Title: Ozone Effects on Vegetation
    • Start Date: 1988-01-01
    • End Date: 1992-01-01
    • Description: Incidence of ozone and its effects on vegetation in the Lye Brook Wilderness Area.

    • Purpose: An evaluation of ozone damage to vegetation in Ly Brook Wilderness that includes identifying trees with ozone injury symptoms as well as estimating an average injury index.

    • Condensed Title: Z0078_OzoneVegData_Forimport

    • Object Name: VMC.78.2146

    • Data Type: mySQL
    • Citation: William Manning, F. Peterson. 1992. VMC ozone effects on vegetation. FEMC. Can be found at:

    • Online Distribution:

    Attribute List

      Attribute Name: Avg_injury_index
      • Label: Avg_injury_index
      • Description: Avg_injury_index
      • Storage Type: decimal
      • Measurment Type: ratio
      Attribute Name: Branches_w/symptoms
      • Label: Branches_w/symptoms
      • Storage Type: int
      • Measurment Type: interval
      Attribute Name: Group_Number
      • Label: Group_Number
      • Storage Type: int
      • Measurment Type: nominal
      Attribute Name: Total_trees
      • Label: Total_trees
      • Storage Type: int
      • Measurment Type: interval
      Attribute Name: Trees_w/symptoms
      • Label: Trees_w/symptoms
      • Storage Type: int
      • Measurment Type: interval
      Attribute Name: Year
      • Label: Year
      • Storage Type: datetime
      • Measurment Type: datetime
      • String Format: YYYY


    • Current Methods
      • Unnamed Method
        • Started: 1993-04-01
        • Method Description: An additional blackberry clone was sampled.

      • Unnamed Method
        • Started: 1991-04-01
        • Method Description: 15 additional black cherry trees were sampled

      • Unnamed Method
        • Started: 1988-04-01
        • Method Description: The same trees (black cherry and white ash) and clones (blackberry) were examined for symptoms of ozone injury. 14 ash, 25 cherry and 5 blackberry clones (5 first year canes and 5 second year canes for each clone) were evaluated using a 5 class rating system: 0, 1=trace (1-5%), 2=light(6-25%), 3=moderate(26-50%), 4=heavy(>50%). Branch samples are taken using a tree climber.

      • Unnamed Method
        • Started: 1993-04-01
        • Method Description: Only 2 ash and 18 cherry trees were sampled. Pole pruners were used to sample, lower foliage only was obtainable.

      • Injury rating
        • Started: 1993-04-01
        • Method Description: An eight class injury rating system was done in addition to the original 5 class system. This is the Horsfall-Barrett system: 0,1=1-3%, 2=4-6%, 3=7-12%, 4=13-25%, 5=26-50%, 6=51-75%, 7=>75%.

    Sampling Equipment

    • No sampling equipment recorded for this dataset

    Site Characteristics

    • No site characteristics recorded for this dataset