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<?xml version="1.0"?> <mods xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xlink="http://www.w3.org/1999/xlink" version="3.7" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-7.xsd"> <titleInfo> <title>Opium poppy, Harvested Area (Hectares), 2000</title> </titleInfo> <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre> <genre valueURI="http://rdvocab.info/termList/RDAContentType/1001" authority="rdacontent">cartographic dataset</genre> <typeOfResource>cartographic</typeOfResource> <typeOfResource>software, multimedia</typeOfResource> <genre>Dataset</genre> <physicalDescription> <digitalOrigin>born digital</digitalOrigin> <form>GeoTIFF</form> </physicalDescription> <language> <languageTerm authority="ISO639-2" type="code">eng</languageTerm> </language> <abstract displayLabel="Abstract">This raster dataset depicts the average number of hectares per land-area of a gridcell for opium poppy crops. Data quality categories include (0= missing, 0.25= county level census data, 0.5= interpolated with census data from within 2 degrees of latitude/longitude, 0.75= state level census data, 1= country level census data). Croplands cover ~15 million km2 of the planet and provide the bulk of the food and fiber essential to human well-being. Most global land cover datasets from satelites group croplands into just a few categories, thereby excluding information that is critical for answering key questions ranging from biodiversity conservation to food security to biogeochemical cycling. Information about agricultural land use practices like crop selection, yield, and fertilizer use is even more limited.Here we present land use data sets created by combining national, state, and county level census statistics with a recently updated global data set of croplands on a 5 minute by 5 minute (~10km x 10 km) latitude/longitude grid. Temporal resolution: Year 2000- based of average of census data between 1997-2003.</abstract> <note displayLabel="Purpose" type="other">EarthStat.org serves geographic data sets with the purpose of solving the grand challenge of feeding a growing global population while reducing agriculture’s impact on the environment. The data sets on EarthStat allow users to map the distribution of crops globally, analyze the impact of climate change on crop yields, understand the impacts of fertilizer and manure use and much more.</note> <subject authority="geonames"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/6295630/">Earth (Planet)</geographic> </subject> <subject authority="lcsh"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Opium poppy</topic> </subject> <subject authority="lcsh"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Harvesting</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="imageryBaseMapsEarthCover">Imagery and Base Maps</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="farming">Farming</topic> </subject> <subject> <temporal encoding="w3cdtf">2000-2000</temporal> </subject> <subject> <cartographics> <projection>EPSG::4326</projection> <coordinates>W 180°--E 180°/N 90°--S 90°</coordinates> </cartographics> </subject> <originInfo> <dateIssued encoding="w3cdtf" keyDate="yes">2008</dateIssued> <publisher>University of Minnesota. Institute on the Environment</publisher> </originInfo> <location> <url usage="primary display">https://purl.stanford.edu/pg303my5638</url> </location> <note type="contact" displayLabel="Contact">earthstat.data@gmail.com</note> <recordInfo> <languageOfCataloging> <languageTerm authority="ISO639-2" type="code">eng</languageTerm> </languageOfCataloging> <recordContentSource>Stanford</recordContentSource> <recordCreationDate encoding="w3cdtf">2017-12-18</recordCreationDate> <recordIdentifier>edu.stanford.purl:pg303my5638</recordIdentifier> </recordInfo> <extension displayLabel="geo"> <rdf:RDF xmlns:gml="http://www.opengis.net/gml/3.2/" xmlns:dc="http://purl.org/dc/elements/1.1/"> <rdf:Description rdf:about="http://purl.stanford.edu/pg303my5638"> <dc:format>image/tiff; format=GeoTIFF</dc:format> <dc:type>Dataset#Raster</dc:type> <gml:boundedBy> <gml:Envelope gml:srsName="EPSG:4326"> <gml:lowerCorner>-180.0 -90.0</gml:lowerCorner> <gml:upperCorner>180.0 90.0</gml:upperCorner> </gml:Envelope> </gml:boundedBy> </rdf:Description> </rdf:RDF> </extension> <relatedItem type="host"> <titleInfo> <title>EarthStat</title> </titleInfo> <location> <url>https://purl.stanford.edu/tz390fn8810</url> </location> <typeOfResource collection="yes"/> </relatedItem> <accessCondition type="useAndReproduction">Data may be freely downloaded for research, study, or teaching, but must be cited appropriately. Incorporation of the data into a commercial product, is allowed only with explicit permission. If you would like to request permission to use EarthStat data for another purpose, please contact us at earthstat.data@gmail.com.</accessCondition> </mods>
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