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         system="hfr"
         scope="system"
         packageId="knb-lter-hfr.408.4">
   <access authSystem="knb" order="allowFirst" scope="document">
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         <principal>public</principal>
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   <dataset id="HF408">
      <alternateIdentifier system="https://doi.org">doi:10.6073/pasta/26f4084a3fe8caa653ac070f10f41ef4</alternateIdentifier>
      <title>Tree Ring Data from Goose Egg State Forest NY 1681-2014</title>
      <creator>
         <individualName>
            <givenName>Neil</givenName>
            <surName>Pederson</surName>
         </individualName>
         <userId directory="https://orcid.org">https://orcid.org/0000-0003-3830-263X</userId>
      </creator>
      <associatedParty>
         <individualName>
            <givenName>Daniel</givenName>
            <surName>Bishop</surName>
         </individualName>
         <userId directory="https://orcid.org">https://orcid.org/0000-0002-0394-5996</userId>
         <role>Researcher</role>
      </associatedParty>
      <associatedParty>
         <individualName>
            <givenName>Alex</givenName>
            <surName>Dye</surName>
         </individualName>
         <role>Researcher</role>
      </associatedParty>
      <associatedParty>
         <individualName>
            <givenName>Javier</givenName>
            <surName>Martin Fernandez</surName>
         </individualName>
         <role>Researcher</role>
      </associatedParty>
      <associatedParty>
         <individualName>
            <givenName>Tessa</givenName>
            <surName>Mandra</surName>
         </individualName>
         <role>Researcher</role>
      </associatedParty>
      <pubDate>2023</pubDate>
      <language>English</language>
      <abstract>
         <section>
            <title/>
            <para>Is it possible to reconstruct aboveground carbon/biomass from tree rings? If so, how far back in time can researchers go when using tree-ring data in the reconstruction of past biomass? Answers to these questions will have a significant impact on our understanding of dynamics in the terrestrial carbon sink. Long tree-ring records of biomass can reveal intra-annual to annual to multidecadal variations that cannot be resolved by forest census data that is not conducted at annual time steps. Additionally, while these dynamics might be resolved using remote sensing, most remotely-sensed products are only two decades or less in length. By having long records of carbon biomass, we can then identify not only the dominant drivers of biomass, but how the importance of these drivers might change during different eras as environmental factors change (e.g., climate, air pollution, disturbance).</para>
            <para>To test these and other questions, we collected tree-ring records from three 30m radius plots set in Goose Egg State Forest in New York State. We chose this location because it has old oak dominated forests that can be compared to the long-term forests being studied for carbon dynamics at the Harvard Forest. We can convert these data to biomass using allometric equations and compare tree-ring inferred aboveground biomass to the census data going back in time to understand forest recovery and carbon dynamics in a heavily disturbance forest. Recruitment dates for some of the trees from these plots have been published in Pederson et al. (2017).</para>
            <para>Pederson, N., Young, A. B., Stan, A. B., Ariya, U., Martin-Benito, D. 2017. Low-Hanging DendroDynamic Fruits Regarding Disturbance in Temperate, Mesic Forests. In: Amoroso, M. M., Daniels, L. D., Baker, P. J., Camarero, J. J., Dendroecology: Tree-Ring Analyses Applied to Ecological Studies, Springer, Cham., Switzerland.</para>
         </section>
      </abstract>
      <keywordSet>
         <keyword>climate change</keyword>
         <keyword>community composition</keyword>
         <keyword>defoliation</keyword>
         <keyword>dendrochronology</keyword>
         <keyword>disturbance</keyword>
         <keyword>net primary production</keyword>
         <keyword>permanent plots</keyword>
         <keyword>tree rings</keyword>
         <keywordThesaurus>LTER controlled vocabulary</keywordThesaurus>
      </keywordSet>
      <keywordSet>
         <keyword>primary production</keyword>
         <keyword>populations</keyword>
         <keyword>disturbance</keyword>
         <keywordThesaurus>LTER core area</keywordThesaurus>
      </keywordSet>
      <keywordSet>
         <keyword>Harvard Forest</keyword>
         <keyword>HFR</keyword>
         <keyword>LTER</keyword>
         <keyword>USA</keyword>
         <keywordThesaurus>HFR default</keywordThesaurus>
      </keywordSet>
      <intellectualRights>
         <section>
            <para>This dataset is released to the public under Creative Commons CC0 1.0 (No Rights Reserved). Please keep the dataset creators informed of any plans to use the dataset. Consultation with the original investigators is strongly encouraged. Publications and data products that make use of the dataset should include proper acknowledgement.</para>
         </section>
      </intellectualRights>
      <licensed>
         <licenseName>Creative Commons Zero v1.0 Universal</licenseName>
         <url>https://spdx.org/licenses/CC0-1.0.html</url>
         <identifier>CC0-1.0</identifier>
      </licensed>
      <distribution>
         <online>
            <url function="information">
	            	https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf408
	            </url>
         </online>
      </distribution>
      <coverage>
         <geographicCoverage>
            <geographicDescription>Goose Egg State Forest (NY). Coordinates based on WGS84 datum.</geographicDescription>
            <boundingCoordinates>
               <westBoundingCoordinate>-73.29</westBoundingCoordinate>
               <eastBoundingCoordinate>-73.29</eastBoundingCoordinate>
               <northBoundingCoordinate>43.07</northBoundingCoordinate>
               <southBoundingCoordinate>43.07</southBoundingCoordinate>
               <boundingAltitudes>
                  <altitudeMinimum>483</altitudeMinimum>
                  <altitudeMaximum>483</altitudeMaximum>
                  <altitudeUnits>meter</altitudeUnits>
               </boundingAltitudes>
            </boundingCoordinates>
         </geographicCoverage>
         <temporalCoverage>
            <rangeOfDates>
               <beginDate>
                  <calendarDate>1681</calendarDate>
               </beginDate>
               <endDate>
                  <calendarDate>2014</calendarDate>
               </endDate>
            </rangeOfDates>
         </temporalCoverage>
         <taxonomicCoverage>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Acer</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>rubrum</taxonRankValue>
                  <commonName>red maple</commonName>
               </taxonomicClassification>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>saccharum</taxonRankValue>
                  <commonName>sugar maple</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Amelanchier</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>arborea</taxonRankValue>
                  <commonName>serviceberry</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Betula</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>lenta</taxonRankValue>
                  <commonName>black birch</commonName>
               </taxonomicClassification>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>papyrifera</taxonRankValue>
                  <commonName>paper birch</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Fagus</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>grandifolia</taxonRankValue>
                  <commonName>american beech</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Ostrya</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>virginiana</taxonRankValue>
                  <commonName>american hophornbeam</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Pinus</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>strobus</taxonRankValue>
                  <commonName>eastern white pine</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
            <taxonomicClassification>
               <taxonRankName>genus</taxonRankName>
               <taxonRankValue>Quercus</taxonRankValue>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>alba</taxonRankValue>
                  <commonName>white oak</commonName>
               </taxonomicClassification>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>montana</taxonRankValue>
                  <commonName>chestnut oak</commonName>
               </taxonomicClassification>
               <taxonomicClassification>
                  <taxonRankName>species</taxonRankName>
                  <taxonRankValue>rubra</taxonRankValue>
                  <commonName>northern red oak</commonName>
               </taxonomicClassification>
            </taxonomicClassification>
         </taxonomicCoverage>
      </coverage>
      <maintenance>
         <description>
            <para>complete</para>
         </description>
      </maintenance>
      <contact>
         <positionName>Information Manager</positionName>
         <organizationName>Harvard Forest</organizationName>
         <address>
            <deliveryPoint>324 North Main Street</deliveryPoint>
            <city>Petersham</city>
            <administrativeArea>MA</administrativeArea>
            <postalCode>01366</postalCode>
            <country>USA</country>
         </address>
         <phone phonetype="voice">(978) 724-3302</phone>
         <electronicMailAddress>hf-im@lists.fas.harvard.edu</electronicMailAddress>
      </contact>
      <publisher>
         <organizationName>Harvard Forest</organizationName>
         <address>
            <deliveryPoint>324 North Main Street</deliveryPoint>
            <city>Petersham</city>
            <administrativeArea>MA</administrativeArea>
            <postalCode>01366</postalCode>
            <country>USA</country>
         </address>
         <phone phonetype="voice">(978) 724-3302</phone>
         <phone phonetype="fax">(978) 724-3595</phone>
         <onlineUrl>https://harvardforest.fas.harvard.edu</onlineUrl>
      </publisher>
      <methods>
         <methodStep>
            <description>
               <section>
                  <title>Vegetation and tree-ring data</title>
                  <para>Vegetation and tree-ring data associated with this dataset were collected by the “PalEON Protocol”. Three plots were established in the EMS Plot where all trees greater than 10 cm diameter at breast height (DBH) in a 13 m radius were mapped (using distance and azimuth from plot center), measured for DBH, placed into canopy strata (dominant, co-dominant, intermediate, and suppressed, life status (live or dead), structural position if dead (snag, log, or stump hole), and cored. Two to three cores were removed from all trees sampled, live or dead, when possible; some were too rotten to core. Decay classes were determined for all deadwood (1 = recent to 5 = nearly soil) following Bunnell and Houde (Bunnell, F.L. and Houde, I., 2010, Down wood and biodiversity--implications to forest practices, Environmental Reviews, 18, pp.397-421) and surveys were made of saplings (all stems 2.5-4.99 cm DBH from plot center out to 5 m) and poles (all stems 5-9.99 in DBH from plot center out to 9 m). This protocol was repeated for 13-20 m from plot center, but only for trees greater than 20 cm DBH, to increase representation and possibly sample a higher proportion of old trees. Tree-ring measurements were taken from all usable cores and portions of usable cores for each plot. Some cores had too much rot or other issues to be useful. The occurrence of a missing or locally absent ring, where a tree did not fully form a ring on the side of the tree that was cored, is designated with a zero.</para>
               </section>
               <section>
                  <title>Tree-ring file formats</title>
                  <para>Data are provided in both traditional Tucson and csv formats.  Tucson files are organized by species where the species code is the first two letters of the genus plus the first two letters of the species.  Tuscon files contain total raw ring width (.rwl), earlywood ring width (.ewr), or latewood ring width (.lwr).  Tucson data can be read as a space-delimited file in most coding languages. In R, package dplR has built-in function read.rwl that converts .rwl files to a data frame (rows become years; columns become ring-width series).  For more information on the Tucson data format, please see: Brewer, P.W., Murphy, D. and Jansma, E., 2011. TRiCYCLE: a universal conversion tool for digital tree-ring data. Tree-Ring Research, 67(2), pp.135-144.</para>
               </section>
               <section>
                  <title>Notes about the data</title>
                  <para>GE1 Trees 47 and 93 (ACRU), GE2 Trees 7 and 19 (QURU), and GE3 Tree 8 (FAGR) are missing from the ring-width files. The causes of the missing data are accounted for in the “comments” column of the field notes file (hf408-02-ge-core.csv).</para>
                  <para>GE2 Trees 32 and 37 (PIST) were unaccounted for after fieldwork.</para>
               </section>
            </description>
         </methodStep>
      </methods>
      <project>
         <title>Harvard Forest Long-Term Ecological Research</title>
         <personnel>
            <organizationName>Harvard Forest</organizationName>
            <address>
               <deliveryPoint>324 North Main Street</deliveryPoint>
               <city>Petersham</city>
               <administrativeArea>MA</administrativeArea>
               <postalCode>01366</postalCode>
               <country>USA</country>
            </address>
            <phone phonetype="voice">(978) 724-3302</phone>
            <phone phonetype="fax">(978) 724-3595</phone>
            <onlineUrl>https://harvardforest.fas.harvard.edu</onlineUrl>
            <userId directory="https://ror.org">https://ror.org/059cpzx98</userId>
            <role>pointOfContact</role>
         </personnel>
         <abstract>The Harvard Forest Long-Term Ecological Research (LTER) program examines ecological dynamics in the New England region resulting from natural disturbances, environmental change, and human impacts.</abstract>
         <funding>National Science Foundation LTER grants: DEB-8811764, DEB-9411975, DEB-0080592, DEB-0620443, DEB-1237491, DEB-1832210.</funding>
      </project>
      <dataTable id="hf408-01">
         <entityName>hf408-01-ge-tree.csv</entityName>
         <entityDescription>trees</entityDescription>
         <physical>
            <objectName>hf408-01-ge-tree.csv</objectName>
            <size unit="byte">17746</size>
            <authentication method="MD5">3d022ec636a8165035906ff2942e71f3</authentication>
            <dataFormat>
               <textFormat>
                  <numHeaderLines>1</numHeaderLines>
                  <recordDelimiter>\r\n</recordDelimiter>
                  <attributeOrientation>column</attributeOrientation>
                  <simpleDelimited>
                     <fieldDelimiter>,</fieldDelimiter>
                  </simpleDelimited>
               </textFormat>
            </dataFormat>
            <distribution>
               <online>
                  <url function="download">https://harvardforest.fas.harvard.edu/data/p40/hf408/hf408-01-ge-tree.csv</url>
               </online>
            </distribution>
         </physical>
         <attributeList>
            <attribute>
               <attributeName>site</attributeName>
               <attributeDefinition>site and plot identifier</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>GE1</code>
                              <definition>Goose Egg State Forest Plot 1 (Plot center at 43.06769 N, -73.28870  W)</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>GE2</code>
                              <definition>Goose Egg State Forest Plot 2 (Plot center at  43.07200 N, -73.28997 W)</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>GE3</code>
                              <definition>Goose Egg State Forest Plot 3 (Plot center at 43.07249 N, -73.28543 W)</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>tree</attributeName>
               <attributeDefinition>tree number</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>tree number</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>species</attributeName>
               <attributeDefinition>species</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>ACRU</code>
                              <definition>Acer rubrum</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>ACSA</code>
                              <definition>Acer saccharum</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>AMAR</code>
                              <definition>Amelanchier arborea </definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>BELE</code>
                              <definition>Betula lenta</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>BEPA</code>
                              <definition>Betula papyrifera</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>FAGR</code>
                              <definition>Fagus grandifolia</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>OSVI</code>
                              <definition>Ostrya virginiana</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>PIST</code>
                              <definition>Pinus strobus</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QU-</code>
                              <definition>Quercus spp.</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QUAL</code>
                              <definition>Quercus alba</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QUMO</code>
                              <definition>Quercus velutina</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QURU</code>
                              <definition>Quercus rubra</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>date</attributeName>
               <attributeDefinition>date of sampling</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY-MM-DD</formatString>
                     <dateTimePrecision>1 day</dateTimePrecision>
                  </dateTime>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>canopy</attributeName>
               <attributeDefinition>canopy position</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>codominant</code>
                              <definition>codominant</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>dominant</code>
                              <definition>dominant</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>intermediate</code>
                              <definition>intermediate</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>suppressed</code>
                              <definition>suppressed</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>status</attributeName>
               <attributeDefinition>alive, dead or non-standing tree position</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>dead</code>
                              <definition>status is unknown</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>Li</code>
                              <definition>live</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>Lo</code>
                              <definition>log</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>Sh</code>
                              <definition>stump hole</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>Sn</code>
                              <definition>snag</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>St</code>
                              <definition>stump</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>dbh</attributeName>
               <attributeDefinition>diameter at breast height</attributeDefinition>
               <measurementScale>
                  <ratio>
                     <unit>
                        <standardUnit>centimeter</standardUnit>
                     </unit>
                     <precision>0.1</precision>
                     <numericDomain>
                        <numberType>real</numberType>
                     </numericDomain>
                  </ratio>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>distance</attributeName>
               <attributeDefinition>distance from plot center</attributeDefinition>
               <measurementScale>
                  <ratio>
                     <unit>
                        <standardUnit>meter</standardUnit>
                     </unit>
                     <precision>0.1</precision>
                     <numericDomain>
                        <numberType>real</numberType>
                     </numericDomain>
                  </ratio>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>azimuth</attributeName>
               <attributeDefinition>degrees from due north</attributeDefinition>
               <measurementScale>
                  <ratio>
                     <unit>
                        <standardUnit>degree</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </ratio>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>decay</attributeName>
               <attributeDefinition>decay class</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>1</code>
                              <definition>solid wood, recently fallen, bark and twigs present</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>2</code>
                              <definition>solid wood, significant weathering, branches present</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>3</code>
                              <definition>wood not solid, bark may be sloughing but nail still must be pounded into
           wood</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>4</code>
                              <definition>wood sloughing and/or friable, nail may be forcibly pushed into
           wood</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>5</code>
                              <definition>wood friable, barely holding shape, nail may be easily pushed into
           wood</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>initials</attributeName>
               <attributeDefinition>initials</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>fieldhand responsible for sample</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>cores</attributeName>
               <attributeDefinition>core directions</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>core directions</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
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                  <codeExplanation>missing value</codeExplanation>
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         <entityName>hf408-02-ge-core.csv</entityName>
         <entityDescription>core data</entityDescription>
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               <attributeName>site</attributeName>
               <attributeDefinition>site and plot identfier</attributeDefinition>
               <measurementScale>
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                     <nonNumericDomain>
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                           <codeDefinition>
                              <code>GE1</code>
                              <definition>Goose Egg State Forest Plot 1 (Plot center at 43.06769 N, -73.28870  W)</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>GE2</code>
                              <definition>Goose Egg State Forest Plot 2 (Plot center at  43.07200 N, -73.28997 W)</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>GE3</code>
                              <definition>Goose Egg State Forest Plot 3 (Plot center at 43.07249 N, -73.28543 W)</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>tree</attributeName>
               <attributeDefinition>tree number</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>tree number</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
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                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
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            <attribute>
               <attributeName>core</attributeName>
               <attributeDefinition>core cardinal direction</attributeDefinition>
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                        <enumeratedDomain>
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                              <code>E</code>
                              <definition>east</definition>
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                           <codeDefinition>
                              <code>N</code>
                              <definition>north</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>S</code>
                              <definition>south</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>W</code>
                              <definition>west</definition>
                           </codeDefinition>
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                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>species</attributeName>
               <attributeDefinition>species ID of individual series</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>ACRU</code>
                              <definition>Acer rubrum</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>ACSA</code>
                              <definition>Acer saccharum</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>AMAR</code>
                              <definition>Amelanchier arborea </definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>BELE</code>
                              <definition>Betula lenta</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>BEPA</code>
                              <definition>Betula papyrifera</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>FAGR</code>
                              <definition>Fagus grandifolia</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>OSVI</code>
                              <definition>Ostrya virginiana</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>PIST</code>
                              <definition>Pinus strobus</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QUAL</code>
                              <definition>Quercus alba</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QUMO</code>
                              <definition>Quercus velutina</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>QURU</code>
                              <definition>Quercus rubra</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
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               </measurementScale>
            </attribute>
            <attribute>
               <attributeName>inner_year</attributeName>
               <attributeDefinition>observed innermost year (not always measured)</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                     <dateTimePrecision>1 year</dateTimePrecision>
                  </dateTime>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>outer_year</attributeName>
               <attributeDefinition>observed outermost year (not always measured)</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                     <dateTimePrecision>1 year</dateTimePrecision>
                  </dateTime>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>meas_inner</attributeName>
               <attributeDefinition>year of innermost measured ring</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                     <dateTimePrecision>1 year</dateTimePrecision>
                  </dateTime>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>meas_outer</attributeName>
               <attributeDefinition>year of innermost measured ring</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                     <dateTimePrecision>1 year</dateTimePrecision>
                  </dateTime>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>rings</attributeName>
               <attributeDefinition>total number of rings measured</attributeDefinition>
               <measurementScale>
                  <ratio>
                     <unit>
                        <standardUnit>number</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>natural</numberType>
                     </numericDomain>
                  </ratio>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>pith</attributeName>
               <attributeDefinition>estimated number of rings from pith or at pith</attributeDefinition>
               <measurementScale>
                  <ratio>
                     <unit>
                        <standardUnit>number</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>natural</numberType>
                     </numericDomain>
                  </ratio>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>gap</attributeName>
               <attributeDefinition>location, in dates, when there is an observed gap(s) in mounted
      cores</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>location, in dates, when there is an observed gap(s) in mounted
          cores</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>missing</attributeName>
               <attributeDefinition>list of years with missing rings in series</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>list of years with missing rings in series</definition>
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                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>false</attributeName>
               <attributeDefinition>list of years with false rings in series</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>list of years with missing rings in series</definition>
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                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>incomplete</attributeName>
               <attributeDefinition>list of years with incomplete/partial rings in
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               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>list of years with incomplete/partial rings in series</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>reaction</attributeName>
               <attributeDefinition>list of years with “reaction wood” in series</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>list of years with “reaction wood” in series</definition>
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                     </nonNumericDomain>
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               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute>
               <attributeName>canopy</attributeName>
               <attributeDefinition>estimated condition of tree during early growth
      years</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
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                              <definition>gap</definition>
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                           <codeDefinition>
                              <code>N</code>
                              <definition>non-gap</definition>
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                           <codeDefinition>
                              <code>U</code>
                              <definition>unknown</definition>
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               </measurementScale>
               <missingValueCode>
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                  <codeExplanation>missing value</codeExplanation>
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            </attribute>
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               <attributeName>comments</attributeName>
               <attributeDefinition>core-specific comments</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
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                           <definition>core-specific comments</definition>
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               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
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               <attributeDefinition>species</attributeDefinition>
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                              <definition>Acer rubrum</definition>
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                           <codeDefinition>
                              <code>ACSA</code>
                              <definition>Acer saccharum</definition>
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                           <codeDefinition>
                              <code>AMAR</code>
                              <definition>Amelanchier arborea </definition>
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                           <codeDefinition>
                              <code>BELE</code>
                              <definition>Betula lenta</definition>
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                           <codeDefinition>
                              <code>BEPA</code>
                              <definition>Betula papyrifera</definition>
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                           <codeDefinition>
                              <code>FAGR</code>
                              <definition>Fagus grandifolia</definition>
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                           <codeDefinition>
                              <code>OSVI</code>
                              <definition>Ostrya virginiana</definition>
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                           <codeDefinition>
                              <code>PIST</code>
                              <definition>Pinus strobus</definition>
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                           <codeDefinition>
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                              <definition>Quercus alba</definition>
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                           <codeDefinition>
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                              <definition>Quercus velutina</definition>
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                              <definition>Quercus rubra</definition>
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                  <codeExplanation>missing value</codeExplanation>
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               <missingValueCode>
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                  <codeExplanation>missing value</codeExplanation>
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               <attributeDefinition>ring measurement type</attributeDefinition>
               <measurementScale>
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                              <definition>earlywood ring width</definition>
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                              <definition>latewood ring width</definition>
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                           <codeDefinition>
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                              <definition>raw ring width</definition>
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                     <formatString>YYYY</formatString>
                     <dateTimePrecision>1 year</dateTimePrecision>
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                  <codeExplanation>missing value</codeExplanation>
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               <attributeName>rw</attributeName>
               <attributeDefinition>measured ring width</attributeDefinition>
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                        <standardUnit>millimeter</standardUnit>
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                        <numberType>real</numberType>
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                  <codeExplanation>missing value</codeExplanation>
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