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

  • Tree metrics
    Started: 1991-06-01

    Remeasure dieback, transparency and density on trees within Forest Health Monitoring plots 3-4 times per season, using protocols in NFHM field methods manual.


  • Started: 1992-06-01

    Two plots used, one at 1400 feet (Proctor Maple Research Center) and at 2200 feet (Underhill State Park) for 1992 and 1993 remeasurements.

Past Methods (No longer in use)


  • Started: 1991-06-01
    Ended: 1992-06-01

    One plot used at 1400 at Proctor Maple Research Center for 1991 remeasurements.

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 ClassCrown Class

Crown Class

Ordinal
Crown DensityCrown Density

Crown density

Interval Units:
Crown DiebackCrown Dieback

Crown dieback

Ordinal
Date of remeasurementDate of remeasurement

Date of remeasurement

DateTime Date/Time Format: M-DD-YYYY hh:mm:ss
ElevationElevation

Elevation

Interval Units:
Foliage TransparencyFoliage Transparency

Foliage Transparency

Ordinal
Live Crown RatioLive Crown Ratio

Interval Units:
PointPoint

Nominal
SpeciesSpecies

Species

Nominal
Tree NumberTree Number

Tree number

Nominal
WatershedWatershed

Nominal
YearYear

Year

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

    Northern hardwood forest in Browns River watershed, at 1400 and 2200 feet.