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   <dataset id="HF013">
      <alternateIdentifier system="https://doi.org">doi:10.6073/pasta/418a18b78a45616477753d1e56b7ad35</alternateIdentifier>
      <title>Forest Change and Human Populations in New England 1600-2015</title>
      <creator>
         <individualName>
            <givenName>David</givenName>
            <surName>Foster</surName>
         </individualName>
         <userId directory="https://orcid.org">https://orcid.org/0000-0003-1171-3762</userId>
      </creator>
      <creator>
         <individualName>
            <givenName>Ernest</givenName>
            <surName>Gould</surName>
         </individualName>
      </creator>
      <creator>
         <individualName>
            <givenName>Brian</givenName>
            <surName>Hall</surName>
         </individualName>
      </creator>
      <pubDate>2023</pubDate>
      <language>English</language>
      <abstract>
         <section>
            <para>As part of retrospective studies of land-use across New England, information was compiled on forest cover and human population for the New England states. The states share a common history of deforestation for agriculture followed by farm abandonment and natural reforestation with the exception of northern Maine, which was never densely settled and largely remained forested. The extent to which these secondary forests differ in structure and function from permanently wooded areas or the forests of the pre-settlement period forms a major research emphasis of Harvard Forest studies.</para>
         </section>
      </abstract>
      <keywordSet>
         <keyword>humans</keyword>
         <keyword>land use</keyword>
         <keyword>populations</keyword>
         <keyword>vegetation dynamics</keyword>
         <keywordThesaurus>LTER controlled vocabulary</keywordThesaurus>
      </keywordSet>
      <keywordSet>
         <keyword>disturbance</keyword>
         <keyword>human-environment</keyword>
         <keyword>land use</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=hf013</url>
         </online>
      </distribution>
      <coverage>
         <geographicCoverage>
            <geographicDescription>New England. Coordinates based on WGS84 datum.</geographicDescription>
            <boundingCoordinates>
               <westBoundingCoordinate>-74.3</westBoundingCoordinate>
               <eastBoundingCoordinate>-66.9</eastBoundingCoordinate>
               <northBoundingCoordinate>+47.5</northBoundingCoordinate>
               <southBoundingCoordinate>+40.5</southBoundingCoordinate>
               <boundingAltitudes>
                  <altitudeMinimum>0</altitudeMinimum>
                  <altitudeMaximum>1900</altitudeMaximum>
                  <altitudeUnits>meter</altitudeUnits>
               </boundingAltitudes>
            </boundingCoordinates>
         </geographicCoverage>
         <temporalCoverage>
            <rangeOfDates>
               <beginDate>
                  <calendarDate>1600</calendarDate>
               </beginDate>
               <endDate>
                  <calendarDate>2015</calendarDate>
               </endDate>
            </rangeOfDates>
         </temporalCoverage>
      </coverage>
      <maintenance>
         <description>
            <para>complete</para>
         </description>
      </maintenance>
      <contact scope="document">
         <positionName>Information Manager</positionName>
         <organizationName>Harvard Forest</organizationName>
         <address scope="document">
            <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 scope="document">
         <organizationName>Harvard Forest</organizationName>
         <address scope="document">
            <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>
                  <para>Data were compiled by E. Gould, D.R. Foster, and Brian Hall. Population data are from the U.S. Census; forest cover data are from Baldwin (1942), and United States Forest Service reports.  See Detailed Metadata section below for specific forest acreage sources</para>
                  <para>Harvard Forest researchers have used the following total acres for the region in the Wildlands and Woodlands reports: CT - 3,181,474; MA - 5,179,328; ME - 20,845,028; NH - 5,941,024; RI - 690,129; VT - 6,154,039;           New England - 41,991,023</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="hf013-01">
         <entityName>hf013-01-forest-acres.csv</entityName>
         <entityDescription>forest area</entityDescription>
         <physical>
            <objectName>hf013-01-forest-acres.csv</objectName>
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            </dataFormat>
            <distribution>
               <online>
                  <url function="download">https://harvardforest.fas.harvard.edu/data/p01/hf013/hf013-01-forest-acres.csv</url>
               </online>
            </distribution>
         </physical>
         <attributeList>
            <attribute id="1181075159440">
               <attributeName>year</attributeName>
               <attributeDefinition>year</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                  </dateTime>
               </measurementScale>
            </attribute>
            <attribute id="1181075159450">
               <attributeName>source</attributeName>
               <attributeDefinition>source</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <enumeratedDomain>
                           <codeDefinition>
                              <code>1</code>
                              <definition>Baldwin, H. I. 1942. Forestry in New England. National Resources Planning Board Publication 70, Boston, Massachusetts</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>2</code>
                              <definition>U.S. Forest Service Reappraisal Project figures</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>3</code>
                              <definition>USFS. 1958. Timber resources for America’s future. USFS USDA Forest Resource Report no. 14</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>4</code>
                              <definition>USFS. 1965. Timber trends in the United States. USFS USDA Forest Resource Report No. 17</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>5</code>
                              <definition>USFS. 1973. The outlook for timber in the United States. USFS USDA Forest Resource Report No. 20</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>6</code>
                              <definition>USFS. 1990. New England’s forests. USFS USDA Northeastern Forest Experiment Station NE-INF-91-90</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>7</code>
                              <definition>USFS Northeastern Research Station FIA Website, March 2003. www.fs.fed.us/ne/fia/states.main.html. Date listed as 1998; actual FIA inventory for each state: CT, 1998; MA, 1998; ME, 1995; NH, 1997; RI, 1998; VT, 1997</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>8</code>
                              <definition>USFS Northern Research Station FIA Website, November 2008. http://www.nrs.fs.fed.us/fia/</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>9</code>
                              <definition>USFS Northern Research Station FIA Website, August 2015. http://www.nrs.fs.fed.us/fia/</definition>
                           </codeDefinition>
                           <codeDefinition>
                              <code>10</code>
                              <definition>USFS Northern Research Station FIA Website, July 2016. http://www.nrs.fs.fed.us/fia/</definition>
                           </codeDefinition>
                        </enumeratedDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
            </attribute>
            <attribute id="1181075159461">
               <attributeName>ct</attributeName>
               <attributeDefinition>forest area in acres for Connecticut</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159471">
               <attributeName>ma</attributeName>
               <attributeDefinition>forest area in acres for Massachusetts</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159481">
               <attributeName>me</attributeName>
               <attributeDefinition>forest area in acres for Maine</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159491">
               <attributeName>nh</attributeName>
               <attributeDefinition>forest area in acres for New Hampshire</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159501">
               <attributeName>ri</attributeName>
               <attributeDefinition>forest area in acres for Rhode Island</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159511">
               <attributeName>vt</attributeName>
               <attributeDefinition>forest area in acres for Vermont</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="1181075159521">
               <attributeName>ne</attributeName>
               <attributeDefinition>forest area in acres for New England</attributeDefinition>
               <measurementScale>
                  <interval>
                     <unit>
                        <standardUnit>acre</standardUnit>
                     </unit>
                     <precision>1</precision>
                     <numericDomain>
                        <numberType>whole</numberType>
                     </numericDomain>
                  </interval>
               </measurementScale>
               <missingValueCode>
                  <code>NA</code>
                  <codeExplanation>missing value</codeExplanation>
               </missingValueCode>
            </attribute>
            <attribute id="2184185582871">
               <attributeName>note</attributeName>
               <attributeDefinition>notes on data sources for specific years</attributeDefinition>
               <measurementScale>
                  <nominal>
                     <nonNumericDomain>
                        <textDomain>
                           <definition>hurricane name assigned by the US National Hurricane Center or World Meteorological Organization (1950-1997)</definition>
                        </textDomain>
                     </nonNumericDomain>
                  </nominal>
               </measurementScale>
            </attribute>
         </attributeList>
         <numberOfRecords>28</numberOfRecords>
      </dataTable>
      <dataTable id="hf013-02">
         <entityName>hf013-02-population.csv</entityName>
         <entityDescription>human population</entityDescription>
         <physical>
            <objectName>hf013-02-population.csv</objectName>
            <size unit="byte">1466</size>
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                     <fieldDelimiter>,</fieldDelimiter>
                  </simpleDelimited>
               </textFormat>
            </dataFormat>
            <distribution>
               <online>
                  <url function="download">https://harvardforest.fas.harvard.edu/data/p01/hf013/hf013-02-population.csv</url>
               </online>
            </distribution>
         </physical>
         <attributeList>
            <attribute id="1181075499710">
               <attributeName>year</attributeName>
               <attributeDefinition>year
Every 10 years for 1770-2000 and every 20 years for 1630-1750</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                  </dateTime>
               </measurementScale>
            </attribute>
            <attribute id="1181075499720">
               <attributeName>ct</attributeName>
               <attributeDefinition>human population in Connecticut</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 id="1181075499730">
               <attributeName>ma</attributeName>
               <attributeDefinition>human population in Massachusetts</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 id="1181075499740">
               <attributeName>me</attributeName>
               <attributeDefinition>human population in Maine</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 id="1181075499750">
               <attributeName>nh</attributeName>
               <attributeDefinition>human population in New Hampshire</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>
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               <attributeName>ri</attributeName>
               <attributeDefinition>human population in Rhode Island</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 id="1181075499770">
               <attributeName>vt</attributeName>
               <attributeDefinition>human population in Vermont</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>
         </attributeList>
         <numberOfRecords>32</numberOfRecords>
      </dataTable>
      <dataTable id="hf013-03">
         <entityName>hf013-03-new-england-population.csv</entityName>
         <entityDescription>human population in New England</entityDescription>
         <physical>
            <objectName>hf013-03-new-england-population.csv</objectName>
            <size unit="byte">78</size>
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                     <fieldDelimiter>,</fieldDelimiter>
                  </simpleDelimited>
               </textFormat>
            </dataFormat>
            <distribution>
               <online>
                  <url function="download">https://harvardforest.fas.harvard.edu/data/p01/hf013/hf013-03-new-england-population.csv</url>
               </online>
            </distribution>
         </physical>
         <attributeList>
            <attribute id="3181075499710">
               <attributeName>year</attributeName>
               <attributeDefinition>year of the data</attributeDefinition>
               <measurementScale>
                  <dateTime>
                     <formatString>YYYY</formatString>
                  </dateTime>
               </measurementScale>
            </attribute>
            <attribute id="3181075499720">
               <attributeName>new.eng.pop</attributeName>
               <attributeDefinition>human population in New England</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>
         </attributeList>
         <numberOfRecords>4</numberOfRecords>
      </dataTable>
   </dataset>
   <additionalMetadata>
      <metadata>
         <additionalClassifications>
            <researchTopic>conservation</researchTopic>
            <researchTopic>historical</researchTopic>
            <researchTopic>regional</researchTopic>
            <studyType>long-term measurement</studyType>
            <studyType>historical</studyType>
         </additionalClassifications>
      </metadata>
   </additionalMetadata>
   <additionalMetadata>
      <metadata>
         <additionalLinks>
            <url name="Massachusetts Historical Landcover and Census Data 1640-1999">https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf014</url>
            <url name="Land Use on the Southern New England and New York Coasts 1600-2001">https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf044</url>
            <url name="Witness Tree Data in Southern New England and Long Island 1640-1999">https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf087</url>
         </additionalLinks>
      </metadata>
   </additionalMetadata>
</eml:eml>
