plot level data
DESCRIPTION
Plot Level Data. Section 1.0. National Manual Version 1.61. Plot Level Data. Section 1.0. National Manual Version 1.61. Plot Level Data. Section 1.0. National Manual Version 1.61. State. Record the appropriate state code. Louisiana 22. County. Record the appropriate county code. - PowerPoint PPT PresentationTRANSCRIPT
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Plot Level DataPlot Level Data
National Manual Version 1.61
Section 1.0
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Plot Level DataPlot Level Data
National Manual Version 1.61
Section 1.0
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Plot Level DataPlot Level Data
National Manual Version 1.61
Section 1.0
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StateState
Louisiana 22
Record the appropriate state code.
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CountyCounty
Record the appropriate county code.
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Plot NumberPlot Number
Plot numbers are four digits:
0001-0999 Standard field plots
4001-4999 Intensification plots
9000-9999 Temporary and supplemental plots
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P3 Hexagon NumberP3 Hexagon Number
P3 plots only
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P3 Plot NumberP3 Plot Number
P3 plots only
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Sample KindSample Kind
1 Initial plot establishment (new plots)
3 Replacement plot (lost plot)
9 Prism plot remeasurement/Fixed plot establishment
LA does not use:
2 Subplot design remeasurement
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Manual VersionManual Version
Version 1.61
Updated June 3, 2002
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Current and Past DateCurrent and Past DateChangedChanged
Format: Year month day
Example: 20020610
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New ItemNew ItemQA StatusQA Status
1 Standard production plot
2 Cold check
3 Reference plot (off grid– not a true plot)
4 Training/practice plot (off grid– not a true plot)
5 Botched plot file (P3 PDR program only)
6 Blind check
7 Hot check of production plot
Record code 1 on most regular production plots
Record code 7 if field crew works with QA to install a regular production plot
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New ItemNew Item Crew TypeCrew Type
1 Standard field crew
2 QA crew (at least one QA person on plot)
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Cruiser NumberCruiser Number
Record the unique number assigned to identify individual cruisers.
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Number of Accessible Number of Accessible Forest Land ConditionsForest Land Conditions
Record the number of forested conditions on the plot.
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Number of Tree EntriesNumber of Tree Entries ChangedChanged
• Only includes trees and saplings (on both subplots and prism points)
• Seedlings are tallied in a separate section
• Include an entry for no tree and sapling tally
on a subplot and prism point
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Number of Number of Prism Points Remeasured or Prism Points Remeasured or
Subplot Centers RevertedSubplot Centers Reverted
SK = 9 Plots ONLY: Enter the number of Prism Points
on remeasured forest plots Enter number of subplot centers
that are reverted when plot center has reverted
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Trails or RoadsTrails or Roads New ItemNew Item
Code the nearest trail or road within one mile of plot center:
0 None within one 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 Access New ItemNew Item
Record the first road access restriction encountered while traveling to the starting point:
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 (specify in plot notes)
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Public Use RestrictionsPublic Use Restrictions New ItemNew Item
Record restrictions posted for the parcel(s) of land that the plot area occupies:
0 None
1 Keep out/ no trespassing
2 No hunting or fishing
3 No dumping
9 Other (specify in plot notes)
Not necessarily the same parcel where SP is located.
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Recreation Use 1,2,3Recreation Use 1,2,3 New ItemNew Item
Record up to three signs of the following recreation use on the forested portion of any of 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 (specify in plot notes)
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Human DebrisHuman Debris
Record the presence or absence of human debris on the forested portion of any of the four subplots.
Record the lowest numbered item if multiple forms of debris occur.
0 None1 Noncombustible synthetic (metal, glass, etc.)2 Combustible synthetic (plastic, Styrofoam, tires, etc.)3 Combustible organic material (man-caused: yard waste,
compost, slash piles, etc.)
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Water on PlotWater on Plot New ItemNew Item
Water sources on the forested portion of the four subplots that are not identified as a separate condition on the plot:
0 None
1 Permanent streams/ponds
2 Permanent swamp, bog, marsh
3 Ditch/canal
4 Temporary streams
5 Flood zones
9 Other temporary water (specify in plot notes)
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Horizontal Distance to Horizontal Distance to Improved RoadImproved Road
ChangedChangedCodes 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 Land or Built-Up Land
ChangedChanged
Use the new one-digit distance codes used for distance to improved road.
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Horizontal Distance to Horizontal Distance to Agricultural LandAgricultural Land
ChangedChangedUse the new one-digit distance codes used for distance to
improved road.
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Size of Contiguous Forest LandSize of Contiguous Forest Land
Record the code that indicates the size of the contiguous forest around plot center using only the
photo on which the plot is located.
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GPS CoordinatesGPS Coordinates ChangedChanged
Attempt to average 180 readings
Attempt to keep error reading no more than +/- 70 feet
Elevation is recorded in feet above mean sea level
Option of reporting offset coordinates within 200 feet of plot center
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GPS UnitGPS Unit New ItemNew Item
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.)
Only record code 0 if coordinates cannot be collected at all within 200 feet of PC (unit is damaged, heavy canopy cover, mountain coves, no GPS unit available, etc.)
Always record readings collected within 200 feet of PC, even if less than 180 readings are obtained or even if error reading is more than +/- 70 feet.
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GPS Serial NumberGPS Serial Number New ItemNew Item
Record the six-digit serial number of the GPS unit
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Latitude/LongitudeLatitude/Longitude
Record the latitude and longitude to the nearest 100th second
Example:36° 47’ 05.25”
086° 34’ 29.51”
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GPS ElevationGPS Elevation ChangedChanged
Now measured in feet above mean sea level
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GPS ErrorGPS Error New ItemNew Item
• Record error reading of the averaged coordinates
• Make every effort to collect readings with less than or equal to 70 feet of error
• Record coordinates if cannot obtain an error reading less than +/- 70 feet
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Number of ReadingsNumber of Readings New ItemNew Item
• Record number readings averaged
• Make every effort to collect 180 readings
• Record coordinates if cannot obtain 180 error readings
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Azimuth and Distance to PCAzimuth and Distance to PC New ItemNew Item
• Leave blank if using a PLGR, even if coordinates are range-calculated.
• We are not using this in the South as long as we are using PLGRs.
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Plot Level NotesPlot Level Notes New ItemNew Item
Record notes pertaining to the entire plot or to a plot level item
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Questions?Questions?