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<H1>Forest Damage Aerial Detection Survey 1980 - 2011</H1>
<H2>SDE Feature Class
</H2>
<TABLE cols="3" frame="void" rules="cols" width="315" height="28">
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<TD ID="DescTab" CLASS="tsel" TITLE="Click to see a description of the data">Description</TD>
<TD ID="SpatialTab" CLASS="tun" TITLE="Click for details about the spatial data">Spatial</TD>
<TD ID="AttribTab" CLASS="tun" TITLE="Click for details about the attribute data">Attributes</TD>
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<DIV ID="Description" CLASS="pv" STYLE="display:block"><BR />
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<DIV CLASS="pn">Keywords</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Theme: </SPAN>
forest health, insect damage, forest insects, Forest disturbance, aerial survey</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Theme: </SPAN>
Biota</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Place: </SPAN>
Washington State, Pacific Northwest</DIV>
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<DIV CLASS="pn">Description</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Abstract
      <DIV CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">Every summer for approximately the past fifty years, an insect and disease aerial detection survey has been flown of all the forested acres of Washington state (except where noted in the digital data by large 'NF' (not flown) areas). This survey is a cooperative effort between the U.S. Forest Service and the WADNR with two different flight observers each sketching a two mile swath out their side of the plane. The primary mission of the survey is to record recently killed and defoliated groups of trees throughout the state, and to continually build a historical record of these trends. The vast majority of damage found is caused by insect and disease damage agents; however, trees killed by early spring feeding of black bears or by events such as winter storms, fires, floods and landslides are recorded as well. Current defoliation can be detected as soon as the affected foliage changes color that year. However, whole tree mortality is not current since only flagged trees (i.e., trees which have a bright red, orange, or yellow foliage color) are recorded. This means that trees killed the year of the survey will not have changed color yet and so a one year lag time results. Since only this distinctive color or "signature" of the tree can be seen. It is an educated guess as to the causal agent. We therefore use ground surveys to reinforce our estimates as much as possible. Example: When bear damage is spotted while surveying, a polygon is drawn on the map of the size and location of the damage. The polygon is then labeled with the appropriate damage agent (i.e. Bear) and the number of trees affected rounded to the nearest five. No vertical data is recorded.</PRE></SPAN><BR />
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<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Purpose
      <DIV ID="Purpose" CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">The Department of Natural Resources uses this data to describe the location and intensity of forest disturbance activity on an annual, statewide level. These data are used for maps and analysis for supression and salvage planning and for historical trends.</PRE></SPAN><BR />
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<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Supplementary Information
      <DIV CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">The geographic area for this data is statewide, for all forested, non-urban areas. Urban and non-forested areas are excluded. There are some years, such as the early 70's and 80's where portions of the state were omitted due to budgetary constraints.</PRE></SPAN><BR />
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<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Status of the data
    <DIV CLASS="pe2" STYLE="display:none">
Complete<BR /><I>Data update frequency: </I>
Annually, or on demand. A new and current statewide layer is developed every summer. It cannot be developed until the survey is flown and the information processed. Each new update will usually become available by mid-November of that year.<BR /></DIV>
</DIV>
<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Time period for which the data is relevant
    <DIV CLASS="pe2" STYLE="display:none">
<DIV><I>Date and time: </I>
unknown</DIV>
<DIV>
<I>Description: </I>
<SPAN CLASS="lt"><PRE ID="original">ground condition</PRE></SPAN><BR />
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</DIV>
</DIV>
<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Publication Information
    <DIV CLASS="pe2" STYLE="display:none"><SPAN CLASS="lt2">
<I>Who created the data: </I>WA Department of Natural Resources and USDA Forest Service, Region 6<BR /></SPAN>
<DIV><I>Date and time: </I>
Annually beginning in 1980</DIV>
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Data storage and access information
                    <DIV CLASS="pe2" STYLE="display:none">
<I>File name: </I>ROPA.BUGCRD<BR />
<I>Type of data: </I>vector digital data<BR />
<DIV><I>Location of the data: </I></DIV><DIV><LI STYLE="margin-left:0.2in">http://www.fs.fed.us/r6/nr/fid/as/iddatadictionary.shtml</LI></DIV>
<DIV><LI STYLE="margin-left:0.2in">http://www.fs.fed.us/r6/nr/fid/as/index.shtml</LI></DIV>
<DIV><LI STYLE="margin-left:0.2in">http://www.dnr.wa.gov/ResearchScience/Topics/ForestHealthEcology/Pages/rp_foresthealth.aspx</LI></DIV>
<I>Data processing environment: </I><SPAN CLASS="lt">Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog 9.3.1.3500</SPAN><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Accessing the data
    <DIV CLASS="pe2" STYLE="display:none">
<I>Data transfer size: </I>10.774 MB<BR />
<BR />
</DIV>
</DIV>
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Constraints on accessing and using the data
                          <DIV CLASS="pe2" STYLE="display:none">
<I>Access constraints: </I>
<SPAN CLASS="lt">WA ISB, IT Security, Data Category 1 - Public Information (See Security Information).
External requests for this data should be directed to the WA DNR GIS Data Center web site (http://www.dnr.wa.gov/BusinessPermits/Topics/Data/Pages/gis_data_center.aspx).<BR /></SPAN><DIV>
<I>Use constraints: </I>
<SPAN CLASS="lt"><PRE ID="original">This data is also publiclly available on the internet from the USDA Forest Service, Region 6 at: http://www.fs.fed.us/r6/nr/fid/as/index.shtml

This data is not precise or complete. It is just an overview survey for general planning purposes. See agency license agreement for more information at: http://www3.wadnr.gov/dnrapp5/cgi-bin/gisdata/nfoa12-09-03.cgi?id=4091l.</PRE></SPAN><BR />
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<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details about this document
                    <DIV CLASS="pe2" STYLE="display:none">

                          Contents last updated: 20111214

                            at time 08514600
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who completed this document
      <DIV CLASS="pe2" STYLE="display:none">
Aleksandar Dozic<BR />WA Department of Natural Resources, Resource Protection Division, Forest Health<BR /><I>mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in">
<DIV CLASS="lt">
<PRE ID="original">Resource Protection Division</PRE>
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</DIV>
<DIV CLASS="lt">
<PRE ID="original">1111 Washington Street SE</PRE>
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</DIV>
<DIV CLASS="lt">
<PRE ID="original">PO BOX 47037</PRE>
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</DIV>
<DIV>
Olympia, WA 98504-7037</DIV>
<DIV>USA</DIV></DIV>
<BR />
(360) 902-1320 (voice)<BR />aleksandar.dozic@dnr.wa.gov<BR /><BR />
<DIV><I>Hours of service:</I>
08:00 - 16:30 Pacific Time M-F</DIV><BR />
</DIV>
</DIV>
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Standards used to create this document
      <DIV CLASS="pe2" STYLE="display:none">
<I>Standard name: </I>FGDC Content Standards for Digital Geospatial Metadata<BR />
<I>Standard version: </I>FGDC-STD-001-1998<BR />
<I>Time convention used in this document: </I>local time<BR />
Metadata profiles defining additonal information<LI STYLE="margin-left:0.2in">
ESRI Metadata Profile: <A TARGET="viewer" HREF="http://www.esri.com/metadata/esriprof80.html">http://www.esri.com/metadata/esriprof80.html
</A>
</LI>
<LI STYLE="margin-left:0.2in">
ESRI Metadata Profile: <A TARGET="viewer" HREF="http://www.esri.com/metadata/esriprof80.html">http://www.esri.com/metadata/esriprof80.html
</A>
</LI>
<LI STYLE="margin-left:0.2in">
ESRI Metadata Profile: <A TARGET="viewer" HREF="http://www.esri.com/metadata/esriprof80.html">http://www.esri.com/metadata/esriprof80.html
</A>
</LI>
</DIV>
</DIV>
</DIV>
</DIV>
<BR />
</DIV>
<DIV ID="Spatial" class="pv" STYLE="display:none"><BR />
<DIV CLASS="pn">Horizontal coordinate system</DIV>
<DIV STYLE="margin-left:0.2in"><I>Projected coordinate system name: </I>NAD_1983_HARN_StatePlane_Washington_South_FIPS_4602_Feet</DIV>
<DIV STYLE="margin-left:0.2in"><I>Geographic coordinate system name: </I>GCS_North_American_1983_HARN</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details
      <DIV CLASS="pe2" STYLE="display:none">
<DIV CLASS="sr1"><SPAN CLASS="pn">Map Projection Name: </SPAN>Lambert Conformal Conic</DIV>
<DIV CLASS="sr2"><I>Standard Parallel: </I>45.833333<BR />
<I>Standard Parallel: </I>47.333333<BR />
<I>Longitude of Central Meridian: </I>-120.500000<BR />
<I>Latitude of Projection Origin: </I>45.333333<BR />
<I>False Easting: </I>1640416.666667<BR />
<I>False Northing: </I>0.000000<BR />
</DIV>
<BR />
<DIV CLASS="sr1"><SPAN CLASS="pn">Planar Coordinate Information</SPAN></DIV>
<DIV CLASS="sr2"><I>Planar Distance Units: </I>survey feet</DIV>
<DIV CLASS="sr2"><I>Coordinate Encoding Method: </I>coordinate pair</DIV>
<DIV CLASS="srh2">Coordinate Representation</DIV>
<DIV CLASS="sr3"><I>Abscissa Resolution: </I>1.000000</DIV>
<DIV CLASS="sr3"><I>Ordinate Resolution: </I>1.000000</DIV>
<BR />
<DIV CLASS="srh1">Geodetic Model</DIV>
<DIV CLASS="sr2"><I>Horizontal Datum Name: </I>D_North_American_1983_HARN</DIV>
<DIV CLASS="sr2"><I>Ellipsoid Name: </I>Geodetic Reference System 80</DIV>
<DIV CLASS="sr2"><I>Semi-major Axis: </I>6378137.000000</DIV>
<DIV CLASS="sr2"><I>Denominator of Flattening Ratio: </I>298.257222</DIV>
</DIV>
</DIV>
<BR />
<DIV CLASS="srh1">Altitude System Definition</DIV>
<DIV CLASS="sr2"><I>Resolution: </I>1.000000</DIV>
<DIV CLASS="sr2"><I>Encoding Method: </I>Explicit elevation coordinate included with horizontal coordinates</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Bounding coordinates</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="pn">Horizontal</DIV>
<DIV STYLE="margin-left:0.4in" CLASS="pn">In decimal degrees</DIV>
<DIV STYLE="margin-left:0.6in"><I>West: </I>
-124.798983</DIV>
<DIV STYLE="margin-left:0.6in"><I>East: </I>
-116.906087</DIV>
<DIV STYLE="margin-left:0.6in"><I>North: </I>
49.047269</DIV>
<DIV STYLE="margin-left:0.6in"><I>South: </I>
45.485504</DIV>
<DIV STYLE="margin-left:0.4in" CLASS="pn">In projected or local coordinates</DIV>
<DIV STYLE="margin-left:0.6in"><I>Left: </I>607461.000000</DIV>
<DIV STYLE="margin-left:0.6in"><I>Right: </I>2503701.000000</DIV>
<DIV STYLE="margin-left:0.6in"><I>Top: </I>1354839.000000</DIV>
<DIV STYLE="margin-left:0.6in"><I>Bottom: </I>81878.000000</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Lineage</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.2in">FGDC lineage</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 1
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Process description: </I>Prior to the 2001 data, the survey was recorded in flight by hand drawing on 1:100,000 scale paper maps. After the flight, the two flight observers' maps are combined and overlapping polygons are resolved on a final paper map. The data was then manuscripted, scanned, and attributed. However, the 2001 and subsequent surveys utilize automated sketchmapping systems. These systems, one for each surveyor on opposite sides of the aircraft, consist of lap top computers linked to a GPS receiver and touchscreen pads. Geolink software displays a map image background with the location of the survey aircraft and other critical information accurately geo-referenced on top. The recorded damage information is compatible with ARC protocol and so only fine-tuning of merging the two systems is needed. This new system alleviates tedious and time consuming post processing and consistently allows for more accurate placement of damage polygons. For more information on the sketchmapping system see: http://www.fhm.fs.fed.us/fact/03/dm.pdf The recording process has been refined gradually through the years (i.e. in the early years, number of trees killed were not recorded). Coverage Processing Tolerances: Fuzzy = 186.424 and Dangle = 0.0<BR />
<BR /></DIV>
</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 2
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Process description: </I>Metadata imported.<BR />
<I>Source used: </I>J:\DSS\Data Administration\Metadata\temporary metadata\bugs-n-crud.xml<BR />
<BR /></DIV>
</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 3
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Process description: </I>Metadata imported.<BR />
<I>Source used: </I>Y:\Database on UNIX\devl\dictionary\metadata\bugcrd_2010.xml<BR />
<I>Process date: </I>20110118
at time 16184000<BR />
<BR /></DIV>
</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 4
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Process description: </I>Metadata imported.<BR />
<I>Source used: </I>Y:\Database on UNIX\dictionary\metadata\esri_ropa\ropa.bugcrd.xml<BR />
<I>Process date: </I>20110119
at time 12052700<BR />
</DIV>
</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.4in">Sources</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.6in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Source 1:
          USDA Forest Service, Region 6 and Washington Department of Natural Resources Forest Insect and Disease Aerial Detection Survey Data.
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Media: </I>Early year surveys (prior to 2001) used paper maps. Current surveys use digital sketch mapping.<BR />
<I>Scale denominator: </I>Variable<BR />
<I>Contribution: </I>USFS Region 6 and Washington DNR Forest Insect and Disease Aerial Detection Survey Data. Hand-drawn polygons.<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Currentness of this source
              <DIV CLASS="pe2" STYLE="display:none">
<DIV><I>Date and time: </I>
Annually from 1980 to present</DIV>
</DIV>
</DIV>
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Spatial data quality</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Horizontal positional accuracy
      <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<SPAN CLASS="lt"><PRE ID="original">During the aerial survey the goal is to capture 70% correctly identified disturbance within 1/4 mile of it's actual location, but results are variable at best.</PRE></SPAN>
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<DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Vertical positional accuracy
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<SPAN CLASS="lt"><PRE ID="original">N/A</PRE></SPAN>
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<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Spatial data description</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.2in">Vector data information</DIV>
<DIV STYLE="margin-left:0.4in" CLASS="pn">ESRI description</DIV>
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ROPA.BUGCRD
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<I>ESRI feature type: </I>Simple<BR />
<I>Geometry type: </I>Polygon<BR />
<I>Topology: </I>FALSE<BR />
<I>Feature count: </I>317806<BR />
<I>Spatial Index: </I>TRUE<BR />
<I>Linear referencing: </I>FALSE<BR />
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<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">SDTS description
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<DIV>Feature class: SDTS feature type, feature count</DIV>
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<LI>
ROPA.BUGCRD: 
        G-polygon, 317806
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<LI>

          Feature class: 
        Label point, variable by coverage year
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          Feature class: 
        GT-polygon composed of chains, variable by coverage year
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<LI>

          Feature class: 
        Point, variable by coverage year
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<DIV ID="Attributes" class="pv" STYLE="display:none"><BR />
<DIV CLASS="pn">Details for ROPA.BUGCRD</DIV>
<DIV STYLE="margin-left:0.2in"><I>Type of object: </I>Feature Class</DIV>
<DIV STYLE="margin-left:0.2in"><I>Number of records: </I>317806</DIV>
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Attributes<DIV STYLE="margin-left:0.25in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">
OBJECTID
<DIV CLASS="pe2" STYLE="display:none">
<I>Alias: </I>OBJECTID<BR />
<I>Data type: </I>OID<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>10<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Internal feature number.</PRE></SPAN>
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<SPAN CLASS="lt"><I>Definition Source: </I><PRE ID="original">ESRI</PRE></SPAN>
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BUGCRD_ID
<DIV CLASS="pe2" STYLE="display:none">
<I>Alias: </I>BUGS02_ID<BR />
<I>Data type: </I>Integer<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>10<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Arc/Info coverage polygon ID.</PRE></SPAN>
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AL
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<I>Alias: </I>AL<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>30<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Combined code that includes all agent codes and severity codes (AGENT1, DAM1C, AGENT2, DAM2C, AGENT3, DAM3C)</PRE></SPAN>
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AGENT1
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<I>Alias: </I>AGENT1<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">First Damaging Agent Code</PRE></SPAN>
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DAM1C
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<I>Alias: </I>DAM1C<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>6<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">First damaging agent mortality (trees per acre) or intensity</PRE></SPAN>
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AGENT2
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<I>Alias: </I>AGENT2<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Optional Second Damaging Agent Code</PRE></SPAN>
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DAM2C
<DIV CLASS="pe2" STYLE="display:none">
<I>Alias: </I>DAM2C<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>6<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Optional second damaging agent mortality (trees per acre) or intensity</PRE></SPAN>
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AGENT3
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<I>Alias: </I>AGENT3<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Optional Third Damaging Agent Code</PRE></SPAN>
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DAM3C
<DIV CLASS="pe2" STYLE="display:none">
<I>Alias: </I>DAM3C<BR />
<I>Data type: </I>String<BR />
<I>Width: </I>6<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Optional third damaging agent mortality (trees per acre) or intensity</PRE></SPAN>
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DAM1
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<I>Alias: </I>DAM1<BR />
<I>Data type: </I>Double<BR />
<I>Width: </I>8<BR />
<I>Precision: </I>9<BR />
<I>Scale: </I>4<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Numeric version of DAM1C.</PRE></SPAN>
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DAM2
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<I>Alias: </I>DAM2<BR />
<I>Data type: </I>Double<BR />
<I>Width: </I>8<BR />
<I>Precision: </I>9<BR />
<I>Scale: </I>4<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Numeric version of DAM2C.</PRE></SPAN>
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DAM3
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<I>Alias: </I>DAM3<BR />
<I>Data type: </I>Double<BR />
<I>Width: </I>8<BR />
<I>Precision: </I>9<BR />
<I>Scale: </I>4<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Numeric version of DAM3C.</PRE></SPAN>
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YEAR
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<I>Alias: </I>YEAR<BR />
<I>Data type: </I>SmallInteger<BR />
<I>Width: </I>2<BR />
<I>Precision: </I>4<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Survey year.</PRE></SPAN>
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SHAPE
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<I>Alias: </I>Shape<BR />
<I>Data type: </I>Geometry<BR />
<I>Width: </I>4<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Feature geometry.</PRE></SPAN>
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<SPAN CLASS="lt"><I>Definition Source: </I><PRE ID="original">ESRI</PRE></SPAN>
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SHAPE.AREA
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<I>Alias: </I>SHAPE.AREA<BR />
<I>Data type: </I>Double<BR />
<I>Width: </I>0<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Polygon feature area.</PRE></SPAN>
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<SPAN CLASS="lt"><I>Definition Source: </I><PRE ID="original">ESRI</PRE></SPAN>
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SHAPE.LEN
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<I>Alias: </I>SHAPE.LEN<BR />
<I>Data type: </I>Double<BR />
<I>Width: </I>0<BR />
<I>Precision: </I>0<BR />
<I>Scale: </I>0<BR />
<SPAN CLASS="lt"><I>Definition: </I><PRE ID="original">Polygon feature perimeter length.</PRE></SPAN>
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<SPAN CLASS="lt"><I>Definition Source: </I><PRE ID="original">ESRI</PRE></SPAN>
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<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="srh1">Overview</DIV>
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<SPAN CLASS="lt"><PRE ID="original">AGENT OVERVIEW: (AGENT1, AGENT2, AGENT3) All recorded polygons are attributed with a damage agent code and the number of affected trees. some polygons are doubly or even triply attributed if more than one damage agent or more than one species of host is contained within it. The definitions of these damage agent codes are contained in the metadata attached to each file. Some damage agents such as foliar diseases and defoliating insects are given a severity rating (i.e. L = light, M = medium or H = high) with the understanding that all suitable trees within the polygon are affected. INTENSITIES AND MORTALITY NUMBERS OVERVIEW: (DAM1C, DAM2C, DAM3C) If the agent is mortality causing such as Bark Beetle or Bear damage, a number is attached indicating the number of trees killed rounded to the nearest 5, or the number of trees per acre killed when an A is attached. If the agent is a foliar disease or insect, an intensity or severity code is used: L indicates Light M indicates Medium H indicates Heavy/High *Exception-from 1990-1998 a numbering system was used for Budworm defoliation intensities: 1 = Current year's defoliation is visible from the air. 2 = Current year's defoliation with some bare tops visible (very little gray - still a lot of foliage.) 3 = Current year's defoliation visible with a lot of bare tops visible (some gray colors with some foliage in host trees visible.) 4 = Current year's defoliation with bare crowns (very gray in color, no visible green foliage in tree). (This system was used in order to incorporate the data into a hazard model used by the US Forest Service. It has the advantage of showing the cumulative effects of repeated defoliation.) ATTRIBUTE EXAMPLES AND EXPLANATIONS: 6P-5 = Mountain Pine Beetle, Ponderosa Pine with 5 affected trees in the polygon. The trees/polygon are then converted to a trees/acre by running them through another program (by using the acreage). Some polygons are reported as trees/acre in the initial survey - these polygons will have attributes like: 4-.25A. The trees/acre is reflected in the arc coverages with AGENT1-3 and DAM1C-3C items, where the up-to-three codes/polygon have been separated out and converted to trees/acre. BS-M!4-30 = Fir engraver polygon with 30 affected trees in the polygon, occurring inside a moderate severity Budworm polygon - these acres are basically double-counted. Note the addition of 6 items: AGENT1, DAM1C, AGENT2, DAM2C, AGENT3, and DAM3C. These six items represent individual causal agents (AGENTx) and the trees/acre mortality or severity (L,M,H) code associated with the causal agent (DAMxC), because there can be up to three agents associated with each polygon. These 6 items were added to enable users to calculate total number of trees killed/polygon even after the polygon's been split with a clip or intersect. Example: AL: 4-10!BS-L!8-.25A for a twenty acre polygon would be converted to: AGENT1: 4 DAM1C: .5000 (now trees/acre, vs. the original trees/polygon) AGENT2: BS DAM2C: L AGENT3: 8 DAM3C: .2500 (the original data was captured in tpa, as indicated by the A, so this number is simply transferred to the DAMxC item) Non-standard codes maintained in historic files without conversion: 21 Unknown Mortality, Western WhitePine - OLY 1951-55. BRC "Fungus of SpruceCones" - OLY 1954 (possibly additional years) F1-#, F2-#, F3-# Flatheaded woodborer and drought in SW Oregon1975 and 76 in Douglas-fir. F1=saplings, F2=mixed sizes, F3=saw timber and # of affected trees. P1-#, P2-#, P3-# Flatheaded woodborer and drought in SW Oregon1975 and 76 in Ponderosa pine. F1=saplings, F2=mixed sizes, F3=saw timber and # of affected trees. It was decided to retain the codes rather than convert them to F-#, the standard woodborer code, and lose the level of detail of the original map observation. This only affects the Rogue River, Siskiyou and Umpqua forests. HISTORIC CODE INTENSITY CONVERSIONS: Beetle occurrence is reported as a number estimating the standing, current, dead trees or trees per acre for a polygon. In the 50's and 60's Light, Moderate, Heavy and Very Heavy were used to report beetle mortality; the conversion factors for intensity to mortality are: -L =&gt; -.25A -M =&gt; -2A -H =&gt; -10A -VH =&gt; -20A AB-# and L/M/H Retain both methods of coding for intensity and mortality because of differences in vector infestation. 1) branch infestation causes flagging reported as L/M/H and 2) bole infestation can cause tree mortality which is reported by the number of current dead stems observed during the survey. OLD CODES AND CONVERSIONS: ATK --&gt; BS-2- A 1985 code for Apparent Top Kill 6WB --&gt; 6B- Mountain Pine Beetle, Whitebark Pine 6WW --&gt; 6W- Mountain Pine Beetle Western White Pine DM --&gt; 6W- MPB, W. White Pine, (Dendroctonus monticolae)(MTH-1954) 81 --&gt; 88- Western Pine Beetle, Pole-size Ponderosa Pine B --&gt; BEAR BLOW --&gt; WIND CL --&gt; older than 1981 is currently CH GPM --&gt; GP --&gt; Gouty Pitch Midge H --&gt; HAIL H --&gt; D --&gt; Dying hemlock (Oly 1951-53) 5 --&gt; D --&gt; Dying hemlock (Oly 1954-55)(possibly hemlock engraver as noted in a 1954 annual report) LM --&gt; ML- Larch Budmoth LNC --&gt; RC- Needle cast, Larch LPNC --&gt; LC- Needle cast, Lodgepole pine P --&gt; PL- Port-Orford Cedar Root Disease,Phytopthora lateralis PHL --&gt; PH- Phantom Hemlock Looper W --&gt; WATER W --&gt; WIND ZH --&gt; MD- Douglas-fir Budmoth ZP --&gt; MS- Spruce Budmoth, Zeiraphera Canadensis, coastal Oregon *Historic layers for 55-79 are available for the SW portion of Oregon (all ownerships), and some data is available for the Olympic peninsulain the 1950's.</PRE></SPAN>
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