Plot Level Variables National Manual Version 1.55.
Transcript of Plot Level Variables National Manual Version 1.55.
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Plot Level VariablesPlot Level Variables
National Manual Version 1.55
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StateState
Arkansas 05 Georgia 13
No change
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CountyCounty
No change
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Plot NumberPlot NumberPlots numbers are now 4 digits:
0001-0999 Standard field plots
4001-4999 Intensification plots
9000-9999 Temporary and supplemental plots
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P3 Hexagon NumberP3 Hexagon NumberNo change, P3 plots only
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P3 Plot NumberP3 Plot NumberNo change, P3 plots only
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Sample KindSample Kind1 Initial plot establishment (new plots)
2 Fixed plot remeasurement
3 Replacement plot (lost plot)
9 Prism plot remeasurement/ Fixed plot establishment
Arkansas: SK 1, 3, and 9
Georgia: SK 1, 2, and 3
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Manual VersionManual VersionVersion 1.55, Updated May 25, 2001
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Current and Past DatesCurrent and Past DatesFormat: Year, month, day
Example: 20011001
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QA StatusQA Status1 Standard production plot
2 Cold check
3 Reference plot (off grid)
4 Training/practice plot (off grid)
5 Botched plot file
6 Blind check
7 Hot check of production plot
Usually use code 1 If working with QA on a plot, code 7
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Crew TypeCrew Type1 Standard field crew
2 QA crew (at least one QA person on plot
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Cruiser NumberCruiser NumberNo change
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Number of Accessible Forest Number of Accessible Forest Land ConditionsLand Conditions
No change
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Number of Tree EntriesNumber of Tree Entries• Only includes trees and saplings• Seedlings are tallied separately • Still record an entry for no tree and sapling tally
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Number of Prism Points Number of Prism Points Remeasured or Subplot Centers Remeasured or Subplot Centers
RevertedReverted
No change (SK 9 ONLY)
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Trails or RoadsTrails or RoadsCode the nearest trail or road within 1 mile of plot center:
0 None within 1 mile
1 Paved road or highway
2 Improved gravel road
3 Improved dirt road
4 Unimproved dirt road
5 Human access trail
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Road AccessRoad AccessRecord the first road access restriction encountered while traveling to the SP:
0 None
1 Road blocked by locked gate or cable
2 Road blocked by human-made obstruction
3 Road blocked by natural occurrences
4 Posted no motorized vehicle signs
9 Other
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Public Use RestrictionsPublic Use RestrictionsRecord restrictions posted for the plot area:
0 None
1 Keep out/ no trespassing
2 No hunting or fishing
3 No dumping
9 Other
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Recreation Use 1,2,3Recreation Use 1,2,3Record up to three signs of the following recreation use on the four subplots:
0 No evidence of recreation use
1 Motor vehicle (4-wheel drive, ATV, motorcycle)
2 Horse riding, dog team trails, ski trails
3 Camping
4 Hiking
5 Hunting/ shooting
6 Fishing
7 Boating– launch site or dock
9 Other
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Human DebrisHuman DebrisNo change
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Water on PlotWater on PlotWater sources on the four subplots that are not already identified on the plot: either too small to qualify as non-census water, or water in an accessible forest land condition:
0 None
1 Permanent streams/ponds
2 Permanent swamp, bog, marsh
3 Ditch/ canal
4 Temporary streams
5 Flood zones
9 Other temporary water
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Horizontal Distance to Horizontal Distance to Improved RoadImproved Road
No definitional change Codes are now one digit categories:
1 100 ft or less
2 101 to 300 ft
3 301 to 500 ft
4 501 to 1000 ft
5 1001 to 0.5 mile
6 >0.5 to 1 mile
7 >1 mile to 3 miles
8 >3 miles to 5 miles
9 Greater than 5 miles
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Horizontal Distance to Urban Horizontal Distance to Urban or Built-Up Landor Built-Up Land
No definitional change
Use the new one digit distance codes
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Horizontal Distance to Horizontal Distance to Agricultural LandAgricultural Land
No definitional change
Use the new one digit distance codes
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Size of Contiguous Forest LandSize of Contiguous Forest Land
No change
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GPS CoordinatesGPS Coordinates
Average 180 readings
Try to keep error reading no more than +/- 70 feet
Elevation is recorded in feet, and above mean sea level
New option of reporting offset coordinates
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GPS UnitGPS Unit New item
Codes:
0 GPS coordinates not collected
1 Rockwell PLGR
2 Other brand capable of field averaging
3 Trimble GeoExplorer or Pathfinder Pro
4 Recreational GPS (Garmin, Magellan, etc.)
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GPS Serial NumberGPS Serial Number New item
Record 6 digit serial number of the GPS unit
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LatitudeLatitudeNo change
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LongitudeLongitudeNo change
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GPS ElevationGPS ElevationChange: Now recorded in feet and mean sea level
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GPS ErrorGPS Error• New item
• Make every effort to collect readings with <= 70 ft of error
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Number of ReadingsNumber of Readings• New item
• Make every effort to average 180 readings
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Azimuth and Distance to PCAzimuth and Distance to PC
• New items
• Do not code if coordinates are collected at PC
• Do not code if coordinates are range calculated with a PLGR unit within 200 feet of plot center
• If position is obtained more than 200 feet from plot center, record coordinates of where you are standing and the azimuth and distance to plot center
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Plot Level NotesPlot Level Notes
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The EndThe End