Forest Health Monitoring: Seasonal variation in crown ratings: Crown Ratings from Multiple Within-Year Visits
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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
Determine the variability in crown ratings as a function of observation time within a 10 week sampling period. Assess the variation in within-season timing of measurements, using same plot design as in the National Forest Health Monitoring Program (NFHM).
► People
- Tom Simmons: Content Provider
- Sandra Wilmot: Principal Investigator
- Jay Lackey: Content Provider
- Ron Wells: Content Provider
- Lars Lund: Content Provider
► Geographic Coverage
- Coordinates
► Data Table
- Title: Crown Ratings from Multiple Within-Year Visits
- Start Date: 1992-06-01
- End Date: 1993-08-30
- Description: Ratings of crown health and condition collected multiple times during a 10-week period.
- Purpose: Capture variability in crown rating metrics at different points in the season
- Condensed Title: Z0074_CrownRatingsMultipleRevisits
- Object Name: VMC.74.407
- Data Type: mySQL
- Citation: Sandra Wilmot. 1993. Crown Ratings from Multiple Within-Year Visits. VT Department of Forests, Parks, & Recreation. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/forest-health-monitoring-seasonal-variation-crown/dataset/crown-ratings-from-multiple-within-year
- Online Distribution: https://vmc.w3.uvm.edu/vmcdevel/data/archive/project/forest-health-monitoring-seasonal-variation-crown/dataset/crown-ratings-from-multiple-within-year
► Attribute List
- Attribute Name: Crown Class
- Label: Crown Class
- Description: Crown Class
- Storage Type: int
- Measurment Type: ordinal
- Attribute Name: Crown Density
- Label: Crown Density
- Description: Crown density
- Storage Type: int
- Measurment Type: interval
- Attribute Name: Crown Dieback
- Label: Crown Dieback
- Description: Crown dieback
- Storage Type: int
- Measurment Type: ordinal
- Attribute Name: Date of remeasurement
- Label: Date of remeasurement
- Description: Date of remeasurement
- Storage Type: datetime
- Measurment Type: datetime
- String Format: M-DD-YYYY hh:mm:ss
- Attribute Name: Elevation
- Label: Elevation
- Description: Elevation
- Storage Type: int
- Measurment Type: interval
- Attribute Name: Foliage Transparency
- Label: Foliage Transparency
- Description: Foliage Transparency
- Storage Type: int
- Measurment Type: ordinal
- Attribute Name: Live Crown Ratio
- Label: Live Crown Ratio
- Storage Type: int
- Measurment Type: interval
- Attribute Name: Point
- Label: Point
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Species
- Label: Species
- Description: Species
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Tree Number
- Label: Tree Number
- Description: Tree number
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Watershed
- Label: Watershed
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Year
- Label: Year
- Description: Year
- Storage Type: datetime
- Measurment Type: datetime
- String Format: YYYY
► Methods
- Current Methods
- Tree metrics
- Started: 1991-06-01
- Method Description: 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: 1991-06-01
- Unnamed Method
- Started: 1992-06-01
- Method Description: Two plots used, one at 1400 feet (Proctor Maple Research Center) and at 2200 feet (Underhill State Park) for 1992 and 1993 remeasurements.
- Started: 1992-06-01
- Past Methods (no longer in use)
- Unnamed Method
- Started: 1991-06-01
Ended: 1992-06-01 - Method Description: One plot used at 1400 at Proctor Maple Research Center for 1991 remeasurements.
► Sampling Equipment
- No sampling equipment recorded for this dataset
► Site Characteristics
- Site Description: Northern hardwood forest in Browns River watershed, at 1400 and 2200 feet.