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
countCount

Frequency of specific species occurence

Measurement type: Interval
Unit: unavailable
Precision: 1
livedeadLive or Dead

Designation of trees as live or dead

Measurement type: Nominal
PlotIDPlot ID

Plot ID

Measurement type: Nominal
SubplotIDSubplot ID

Subplot ID

Measurement type: Nominal
Unit: unavailable
YearYear

Year

Measurement type: DateTime
Date/Time Format: YYYY
SpeciesSpecies

Species Code

Measurement type: Nominal
VT FHM Prism Measurement Species
+ show
Appears in data asMeaning
12balsam fir (Abies balsamea) - View ITIS Record
90spruce (Picea sp.) - View ITIS Record
95black spruce; bog spruce (Picea mariana) - View ITIS Record
97red spruce (Picea rubens) - View ITIS Record
129eastern white pine (Pinus strobus) - View ITIS Record
241arborvitae; eastern white cedar (Thuja occidentalis) - View ITIS Record
261Canada hemlock; hemlock spruce (Tsuga canadensis) - View ITIS Record
299Unknown softwood tree
310maples (Acer sp.) - View ITIS Record
314black sugar maple (Acer nigrum) - View ITIS Record
315striped maple (Acer pensylvanicum) - View ITIS Record
316red maple (Acer rubrum) - View ITIS Record
318sugar maple (Acer saccharum) - View ITIS Record
319mountain maple (Acer spicatum) - View ITIS Record
320Norway maple (Acer platanoides) - View ITIS Record
350alnus spp. (Alnus sp.) - View ITIS Record
351red alder (Alnus rubra) - View ITIS Record
371yellow birch (Betula alleghaniensis) - View ITIS Record
372sweet birch (Betula lenta) - View ITIS Record
375paper birch (Betula papyrifera) - View ITIS Record
378northwestern paper birch (Betula X utahensis) - View ITIS Record
379gray birch (Betula populifolia) - View ITIS Record
400hickory spp (Carya sp.) - View ITIS Record
402bitternut hickory; pignut (Carya cordiformis) - View ITIS Record
407shagbark hickory (Carya ovata) - View ITIS Record
531American beech (Fagus grandifolia) - View ITIS Record
541white ash (Fraxinus americana) - View ITIS Record
543black ash (Fraxinus nigra) - View ITIS Record
544green ash (Fraxinus pennsylvanica) - View ITIS Record
701eastern hophornbeam; hophornbeam (Ostrya virginiana) - View ITIS Record
740cottonwood (Populus sp.) - View ITIS Record
742Eastern cottonwood (Populus deltoides) - View ITIS Record
743bigtooth aspen (Populus grandidentata) - View ITIS Record
746quaking aspen (Populus tremuloides) - View ITIS Record
761pin cherry (Prunus pensylvanica) - View ITIS Record
762black cherry (Prunus serotina) - View ITIS Record
802white oak (Quercus alba) - View ITIS Record
832chestnut oak ( Quercus prinus) - View ITIS Record
833northern red oak (Quercus rubra) - View ITIS Record
837black oak (Quercus velutina) - View ITIS Record
935American mountain-ash (Sorbus americana) - View ITIS Record
951American basswood (Tilia americana) - View ITIS Record
972American elm (Ulmus americana) - View ITIS Record
998Unknown hardwood tree
999 (Entophysalis sp.) - View ITIS Record

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