Leaf and Twig Survey: Leaf and twig damage survey: Branch Data
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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
► Geographic Coverage
- Coordinates
► Data Table
- Title: Branch Data
- Start Date: 1992-06-29
- End Date: 1994-08-23
- Description: Branch samples with node lengths and disease assessment
- Purpose: Determine site-specific leaf size and twig internodal growth for 3 hardwood species at 2 elevations.
- Condensed Title: Z0083_BranchData
- Object Name: VMC.83.151
- Data Type: mySQL
- Citation: Sandra Wilmot.1994. Branch Data. 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-branch-data
- Online Distribution: https://www.uvm.edu/femc/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-branch-data
► Attribute List
- Attribute Name: Act Length
- Label: Act Length
- Description: Act length
- Storage Type: int
- Measurment Type: interval
- Attribute Name: Asp Ect
- Label: Aspect
- Description: Aspect
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Branch
- Label: Branch
- Description: Branch
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Cause 1
- Label: Cause 1
- Description: Cause 1
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Cause 2
- Label: Cause 2
- Description: Cause 2
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Cause 3
- Label: Cause 3
- Description: Cause 3
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Date
- Label: Date
- Description: Date
- Storage Type: datetime
- Measurment Type: datetime
- String Format: MM/DD/YY
- Attribute Name: ID
- Label: ID
- Description: ID
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Node Length
- Label: Node Length
- Description: Node Length
- Storage Type: decimal
- Measurment Type: interval
- Attribute Name: Notes 1
- Label: Notes 1
- Description: Notes 1
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Notes 2
- Label: Notes 2
- Description: Notes 2
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Notes 3
- Label: Notes 3
- Description: Notes 3
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Sev 1
- Label: Sev 1
- Description: Sev 1
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Sev 2
- Label: Sev 2
- Description: Sev 2
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Sev 3
- Label: Sev 3
- Description: Sev 3
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Site
- Label: Site
- Description: Site
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Species
- Label: Species
- Description: Species code using first letter of first and second common name ie. Sugar Maple = SM
- Storage Type: text
- Measurment Type: nominal
- Attribute Name: Symp 1
- Label: Symp 1
- Description: Symp 1
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Symp 2
- Label: Symp 2
- Description: Symp 2
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Symp 3
- Label: Symp 3
- Description: Symp 3
- Storage Type: int
- Measurment Type: nominal
- Attribute Name: Tree
- Label: Tree
- Description: Tree
- Storage Type: int
- Measurment Type: nominal
► 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.
- Started: 1991-06-01
- 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.
- Started: 1991-06-01
- Leaf measurements
- Started: 1991-06-01
Ended: 1994-08-30 - Method Description: Leaf measurements include: identification of all symptoms and causes of injury.
- Started: 1991-06-01
- Twig evaluations
- Started: 1992-06-01
Ended: 1994-08-30 - Method Description: Twig evaluations include incidence, severity and cause of twig damage.
- Started: 1992-06-01
- 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.
- Started: 1991-06-01
► Sampling Equipment
- Current Equipment
- 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.