Details and Metadata

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Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Current Methods

  • Plot establishment
    Started: 1991-05-01

    One plot established at Proctor Maple Research Center in 1991.


  • Started: 1992-05-01

    Eight plots on west slope of Mt. Mansfield paired at 4 elevations: 1400, 2200, 3000, and 3800 feet. Used to assess changes in crown condition, injury to crown and bole, growth, regeneration, understory cover.


  • Started: 1990-05-01

    One plot established in the Lye Brook Wilderness Area as part of the National Forest Health Monitoring Program at 2300 ft.


  • Started: 1994-05-01

    Four plots in the Lye Brook Wilderness Area paired at 1400 and 2300 feet, in addition to the NFHM plot at 2300 feet.


  • Started: 1997-05-01

    Six plots established in 1997 on the east slope of the mountain in Ranch Valley paired at 1400, 2200, and 3000 feet.

Past Methods (No longer in use)

  • Ice storm effects
    Started: 1998-01-30
    Ended: 1998-06-01

    In 1998, conducted special spring survey on plots affected by the January ice storm. Measurements included bole breakage and crown loss (%).

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
Crown DensityCrown Density

Crown Density

Measurement type: Ratio
Units:
Crown DiebackCrown Dieback

Crown Dieback

Measurement type: Ratio
Units:
Elevation (feet)Elevation (feet)

Elevation (feet)

Measurement type: Interval
Units: feet
Elevation ModifierElevation Modifier

Elevation Modifier

Measurement type: Nominal
Foliage TransparencyFoliage Transparency

Foliage Transparency

Measurement type: Ratio
Units:
High diebackHigh dieback

High dieback

Measurement type: Ratio
Units:
High foliage transpHigh foliage transp

High foliage transp

Measurement type: Ratio
Units:
Low densityLow density

Low density

Measurement type: Ratio
Units:
Plot IDPlot ID

Plot ID

Measurement type: Nominal
WatershedWatershed

Watershed

Measurement type: Nominal
YearYear

Year

Measurement type: DateTime
Date/Time Format: YYYY

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

No sampling equipment recorded for this dataset

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    Mt. Mansfield at four elevations: 1400, 2200, 3000, and 3800 ft., on the west slope of the mountain, and at 1400, 2200 and 3000 feet on the east slope of the mountain. Lye Brook plots at 1400 and 2300 feet.