Forest Ecosystem Monitoring Cooperative

Leaf and Twig Survey: Leaf and twig damage survey: LFBE 1992

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Metadata Provider

  • Forest Ecosystem Monitoring Cooperative

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

      Phone: (802) 391-4135
      Email: femc@uvm.edu
      Website: www.uvm.edu/femc

Abstract

    Establish a site-specific database of potential stress agents and damage occurence to sugar maple, American beech and yellow birch leaves and twigs. Determine site-specific baselines for leaf size and twig internodal growth for 3 hardwood species and 2 elevations.

People

  • Tom Simmons: Content Provider

  • Sandra Wilmot: Principal Investigator

  • Barbara Schultz: Content Provider

  • Trish Hanson: Content Provider

Keywords

  • canopies, disease, hardwood health,

Geographic Coverage

  • Coordinates

    Data Table

    • Title: LFBE 1992
    • Start Date: 1992-06-26
    • End Date: 1992-08-25
    • Description: Assessment of leaf disease on American beech at the Proctor Maple Research Lab in 1992

    • Purpose: To create a site-specific database of potential sugar maple, American beech and yellow birch leaf and twig stressors

    • Condensed Title: Z0083_92LFBE

    • Object Name: VMC.83.65

    • Data Type: mySQL
    • Citation: Sandra Wilmot. 1992. LFBE 1992. VT Department of Forests, Parks and Recreation. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-survey-be-1992

    • Online Distribution: https://www.uvm.edu/femc/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-survey-be-1992

    Attribute List

      Attribute Name: species
      • Label: Species
      • Description: Species
      • Storage Type: text
      • Measurment Type: nominal
      Attribute Name: date
      • Label: Date
      • Description: Date
      • Storage Type: datetime
      • Measurment Type: datetime
      • String Format: YYYY-MM-DDThh:mm:ss
      Attribute Name: Location
      • Label: Location
      • Description: Location
      • Storage Type: int
      • Measurment Type: nominal
      Attribute Name: side
      • Label: Side
      • Description: Side of tree
      • Storage Type: int
      • Measurment Type: ordinal
      Attribute Name: tree
      • Label: Tree
      • Description: Unique tree ID
      • Storage Type: int
      • Measurment Type: nominal
      Attribute Name: leaf
      • Label: Leaf
      • Description: Unique leaf ID
      • Storage Type: int
      • Measurment Type: nominal
      Attribute Name: hopp
      • Label: Hopper and Spider
      • Description: Number of leaves with hopper and spider
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: erin
      • Label: Erinium
      • Description: Number of leaves with erinium
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 100
      • Unit: number
      • Number Type: real
      Attribute Name: skel
      • Label: Skeletonized
      • Description: Number of skeletonized leaves
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: defo
      • Label: Defoliated Margins
      • Description: Number of leaves with defoliated margins
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: mine
      • Label: Skeletonized and Blotch Mine
      • Description: Number of leaves skeletonized with blotch mine
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: wart
      • Label: Warts on Midvein
      • Description: Number of leaves with warts on midvein
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: scal
      • Label: Scales
      • Description: Number of leaves with scales
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: necr
      • Label: Necrotic
      • Description: Number of necrotic leaves
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 10
      • Unit: number
      • Number Type: real
      Attribute Name: nvei
      • Label: Necrotic vein
      • Description: Number of leaves with necrotic vein
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: nlbs
      • Label: Necrotic leaf base
      • Description: Number of leaves with necrotic leaf base
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: hole
      • Label: Holes
      • Description: Number of leaves with holes
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: apid
      • Label: Aphid
      • Description: Number of leaves with aphids
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: chlo
      • Label: Chlorotic
      • Description: Number of chlorotic leaves
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: mhol
      • Label: unknown
      • Description: unknown
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: egg
      • Label: Eggs
      • Description: Number of leaves with eggs
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: pitt
      • Label: Pitted pores
      • Description: Number of leaves with pitted pores
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: tatt
      • Label: Tattered
      • Description: Number of tattered leaves
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: spot
      • Label: Leaf spots
      • Description: Number of leaves with leaf spots
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer
      Attribute Name: puck
      • Label: Puckered leaf
      • Description: Number of puckered leaves
      • Storage Type: int
      • Measurment Type: ratio
      • Standard Unit: number
      • Precision: 1
      • Unit: number
      • Number Type: integer

    Methods

    • Past Methods (no longer in use)
      • Sampling Sugar maples
        • Started: 1991-06-01
          Ended: 1994-08-30
        • Method Description: Sugar maples at the Proctor Maple Research Lab, 1400 ft elevation, were samples.

      • Unnamed Method
        • Started: 1992-06-01
          Ended: 1994-08-30
        • Method Description: Sugar maple, yellow birch and American beech at two elevations are samples.

      • Sampling across elevations
        • Started: 1991-06-01
          Ended: 1994-08-30
        • Method Description: Five trees per species and elevation are sampled from mid-upper crowns on two sides of each tree. Ten leaves per branch sample are retained for lab analysis. Branches are retained for lab analysis.

      • Leaf measurements
        • Started: 1991-06-01
          Ended: 1994-08-30
        • Method Description: Leaf measurements include: identification of all symptoms and causes of injury.

      • Twig evaluations
        • Started: 1992-06-01
          Ended: 1994-08-30
        • Method Description: Twig evaluations include incidence, severity and cause of twig damage.

      • Leaf sample analysis
        • Started: 1991-06-01
          Ended: 1994-08-30
        • Method Description: Foliar insect, disease, weather and air pollutant related symptomology are recorded for leaf samples taken 3 times through the growing season: June, July and August.

    Sampling Equipment

    • Current Equipment
      • Pole pruners
        • Sampling Description: Sectional aluminum pole pruners.

      • Pole pruners
        • Sampling Description: Sectional aluminum pole pruners.

    Site Characteristics

    • Site Description: Browns River watershed of Mount Mansfield at the Proctor Maple Research Center (1400 ft) and the Underhill State Park (2200 ft). Northern hardwood forests.