<gmd:MD_Metadata xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:csw="http://www.opengis.net/cat/csw/2.0.2" xsi:schemaLocation="http://www.isotc211.org/2005/gmd https://web.bonares.de/md_schema/apiso/apiso.xsd"><gmd:fileIdentifier><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">18a9c2ec-e49d-4fcc-b16a-7bf61d54e26a</gco:CharacterString></gmd:fileIdentifier><gmd:language><LanguageCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#LanguageCode" codeListValue="eng"/></gmd:language><gmd:characterSet><MD_CharacterSetCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8"/></gmd:characterSet><gmd:hierarchyLevel><MD_ScopeCode 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xmlns:gco="http://www.isotc211.org/2005/gco">lgoebel@gwdg.de</gco:CharacterString></gmd:electronicMailAddress></gmd:CI_Address></gmd:address></gmd:CI_Contact></gmd:contactInfo><gmd:role><gmd:CI_RoleCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode></gmd:role></gmd:CI_ResponsibleParty></gmd:contact><gmd:dateStamp><gco:Date xmlns:gco="http://www.isotc211.org/2005/gco">2020-01-17</gco:Date></gmd:dateStamp><gmd:metadataStandardName><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">BonaRes Metadataschema: https://doi.org/10.20387/BonaRes-5PGG-8YRP</gco:CharacterString></gmd:metadataStandardName><gmd:metadataStandardVersion><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Version 1.0</gco:CharacterString></gmd:metadataStandardVersion><gmd:referenceSystemInfo><gmd:MD_ReferenceSystem><gmd:referenceSystemIdentifier><gmd:RS_Identifier><gmd:code><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">4326</gco:CharacterString></gmd:code><gmd:codeSpace><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">urn:ogc:def:crs:EPSG</gco:CharacterString></gmd:codeSpace><gmd:version><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">6.11.2</gco:CharacterString></gmd:version></gmd:RS_Identifier></gmd:referenceSystemIdentifier></gmd:MD_ReferenceSystem></gmd:referenceSystemInfo><gmd:identificationInfo xmlns:bnr="http://www.bonares.de/gmd" xmlns:gco="http://www.isotc211.org/2005/gco"><gmd:MD_DataIdentification xmlns:srv="http://www.isotc211.org/2005/srv"><gmd:citation><gmd:CI_Citation><gmd:title xsi:type="gmd:PT_FreeText_PropertyType"><gco:CharacterString>BonaRes SIGNAL, Site: Mariensee and Reiffenhausen, plant nutrient availability (N,P,K,Ca,Mg), Nutrient response efficiency (N,P,K,Ca,Mg), Nutrient uptake (N,P,K,Ca,Mg), Nutrient uptake and use efficiency (N,P,K,Ca,Mg)</gco:CharacterString><gmd:PT_FreeText><gmd:textGroup><gmd:LocalisedCharacterString locale="ger">BonaRes SIGNAL, Standort: Mariensee und Reiffenhausen, N&#228;hrstoffverf&#252;gbarkeit (N, P, K, Ca, Mg), N&#228;hrstoffnutzungseffizienz/ nutrient response efficiency (N, P, K, Ca, Mg), N&#228;hrstoffaufnahme (N, P, K, Ca, Mg), N&#228;hrstoffaufnahmeeffizienz und N&#228;hrstoffnutzungseffizienz (N, P, K, Ca, Mg)</gmd:LocalisedCharacterString></gmd:textGroup></gmd:PT_FreeText></gmd:title><gmd:date><gmd:CI_Date><gmd:date><gco:Date>2018-05-02</gco:Date></gmd:date><gmd:dateType><CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="creation"/></gmd:dateType></gmd:CI_Date></gmd:date><gmd:date><gmd:CI_Date><gmd:date><gco:Date>2018-10-19</gco:Date></gmd:date><gmd:dateType><CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="issued"/></gmd:dateType></gmd:CI_Date></gmd:date><gmd:date><gmd:CI_Date><gmd:date><gco:Date>2018-11-12</gco:Date></gmd:date><gmd:dateType><CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication"/></gmd:dateType></gmd:CI_Date></gmd:date><gmd:date><gmd:CI_Date><gmd:date><gco:Date>2018-10-19</gco:Date></gmd:date><gmd:dateType><CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision"/></gmd:dateType></gmd:CI_Date></gmd:date><gmd:identifier><gmd:MD_Identifier><gmd:code><gco:CharacterString>https://doi.org/10.20387/BonaRes-S84Z-CHBT</gco:CharacterString></gmd:code></gmd:MD_Identifier></gmd:identifier></gmd:CI_Citation></gmd:citation><gmd:abstract xsi:type="gmd:PT_FreeText_PropertyType"><gco:CharacterString>This data was collected in grassland agroforestry (=alley cropping of willow strips and grassland strips) at Reiffenhausen/Germany ((Salix schwerinii x S. viminalis) x S. viminalis and grass-clover mixture) and Mariensee/Germany (S. schwerinii x S. viminalis and grassland mixture consisting of Lolium perenne, Festuca pratensis, Phleum pratense, Poa pratensis) during 2016. Data was taken at 3 replicates (Mariensee)/ 4 replicates (Reiffenhausen) each in the tree strip component (=Tree) of agroforestry, the grassland component of agroforestry at different distances from the tree strip (1m, 4m, 7m) and at the conventional grassland (=Conv) adjacent to grassland agroforestry. Components of agroforestry were also weighted according to their field size representation (=AF_weight Reiffenhausen: Tree 0.46, 1m 0.31, 4m 0.23; Mariensee Tree 0.35, 1m 0.23, 4m 0.21, 7m 0.21). We measured plant-available nitrogen with the buried bag method (Page et al. 1994 Methods of soil analysis), plant-available phosphorus with resin+bicarbonate extraction (Cross and Schlesinger 1995 Geoderma), plant-available Ca, Mg, K by percolation of soil with unbuffered 1 mol L-1 NH4Cl followed by analysis of percolate with inductively coupled plasma-atomic emission spectrometer (ICP-AES; iCAP 6300 Duo VIEW ICP Spectrometer, Thermo Fischer Scientific GmbH, Dreieich, Germany), nutrient response efficiency (NRE) as productivity divided by plant available nutrient (Bridgham et al. 1995 American Naturalist; productivity data provided by Malec et al. for Reiffenhausen and Swieter et al for Mariensee). Plant uptake was calculated as productivity x plant nutrient concentrations (C/N analyzer (Elementar Vario El; Elementar Analysis Systems GmbH, Hanau, Germany) or ICP); Nutrient uptake efficiency as nutrient uptake (productivity x plant nutrient concentrations) / available nutrient; Nutrient use efficiency as productivity/ plant nutrient uptake (productivity x plant nutrient concentrations). </gco:CharacterString><gmd:PT_FreeText><gmd:textGroup><gmd:LocalisedCharacterString locale="ger">Diese Daten wurden in Gr&#252;nland-Agroforst (= alley cropping von Weidenstreifen und Gr&#252;nlandstreifen) in Reiffenhausen ((Salix schwerinii x S. viminalis) x S. viminalis und Kleegras-Mischung) und Mariensee / Deutschland (S. schwerinii x S. viminalis und Gr&#252;nlandmischung bestehend aus Lolium perenne, Festuca pratensis, Phleum pratense, Poa pratensis) im Jahr 2016 erhoben. Die Daten wurden bei 3 Replikaten (Mariensee)/ 4 Replikaten (Reiffenhausen) jeweils in der Baumstreifenkomponente (= Tree) der Agroforstsysteme genommen, in der Gr&#252;nlandkomponente der Agroforst in verschiedenen Abst&#228;nden zum Baumstreifen (1m, 4m, 7m) und auf der konventionellen Gr&#252;nlandfl&#228;che (= Conv) neben den Agroforstsystemen. Komponenten der Agroforstsysteme wurden au&#223;erdem nach ihrem r&#228;umlichen Feldgr&#246;&#223;enverteilung gewichtet (= AF_weight Reiffenhausen: Tree 0,46, 1 m 0,31, 4 m 0,23; Mariensee Tree 0,35, 1 m 0,23, 4 m 0,21, 7 m 0,21). Wir haben pflanzenverf&#252;gbaren Stickstoff mit der Buried-Bag-Methode (Page et al. 1994 Methoden der Bodenanalyse), pflanzenverf&#252;gbarem Phosphor mit resin + Bicarbonat-Extraktion (Cross und Schlesinger 1995, Geoderma), pflanzenverf&#252;gbare Ca, Mg, K mittels Perkolation von Boden mit ungepufferten 1 mol L-1 NH4Cl, gefolgt von einer Analyse des Perkolats mit optischer Emissionsspektrometrie mittels induktiv gekoppelten Plasmas (ICP-AES; iCAP 6300 Duo VIEW ICP Spectrometer, Thermo Fischer Scientific GmbH, Dreieich, Germany), Nutrient response efficiency (NRE) als Produktivit&#228;t dividiert durch pflanzenverf&#252;gbare N&#228;hrstoffe (Bridgham et al. 1995 American Naturalist; Produktivit&#228;tsdaten von Malec et al. f&#252;r Reiffenhausen und Swieter et al. f&#252;r Mariensee). Die Pflanzenaufnahme wurde als Produktivit&#228;t x Pflanzenn&#228;hrstoffkonzentrationen (C / N-Analysator (Elementar Vario El; Elementar Analysis Systems GmbH, Hanau, Germany) oder ICP) berechnet; N&#228;hrstoffaufnahmeeffizienz als N&#228;hrstoffaufnahme (Produktivit&#228;t x Pflanzenn&#228;hrstoffkonzentrationen) / verf&#252;gbarer N&#228;hrstoff; N&#228;hrstoffnutzungseffizienz als Produktivit&#228;t / Pflanzenn&#228;hrstoffaufnahme (Produktivit&#228;t x Pflanzenn&#228;hrstoffkonzentrationen).
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PTS</gco:CharacterString></gmd:organisationName><gmd:contactInfo><gmd:CI_Contact><gmd:address><gmd:CI_Address><gmd:electronicMailAddress><gco:CharacterString>mschmidh@gwdg.de</gco:CharacterString></gmd:electronicMailAddress></gmd:CI_Address></gmd:address></gmd:CI_Contact></gmd:contactInfo><gmd:role><gmd:CI_RoleCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_RoleCode" codeListValue="author">author</gmd:CI_RoleCode></gmd:role></gmd:CI_ResponsibleParty></gmd:pointOfContact><gmd:pointOfContact><gmd:CI_ResponsibleParty><gmd:individualName><gco:CharacterString>Edzo Veldkamp</gco:CharacterString></gmd:individualName><gmd:organisationName><gco:CharacterString>University of Goettingen, 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on the data supplied, must contain an acknowledgement of the form: "Data re-used from the BonaRes Data Centre www.bonares.de. This data were created as part of BonaRes Module A-Project - SIGNAL's research activities." 
Although every care has been taken in preparing and testing the data, BonaRes Module A - Project - SIGNAL and BonaRes Data Centre cannot guarantee that the data are correct; neither does BonaRes Module A - Project and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage 
arising from its use. The BonaRes Module A-Project-SIGNAL and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact 
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codeListValue="References"/></gmd:associationType></gmd:MD_AggregateInformation></gmd:aggregationInfo><gmd:aggregationInfo><gmd:MD_AggregateInformation><gmd:aggregateDataSetIdentifier><gmd:RS_Identifier><gmd:code><gco:CharacterString>https://doi.org/10.20387/bonares-4984-ZWYR</gco:CharacterString></gmd:code><gmd:codeSpace><gco:CharacterString>DOI</gco:CharacterString></gmd:codeSpace></gmd:RS_Identifier></gmd:aggregateDataSetIdentifier><gmd:associationType><DS_AssociationTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="References"/></gmd:associationType></gmd:MD_AggregateInformation></gmd:aggregationInfo><gmd:language><LanguageCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#LanguageCode" codeListValue="eng"/></gmd:language><gmd:topicCategory><gmd:MD_TopicCategoryCode>environment</gmd:MD_TopicCategoryCode></gmd:topicCategory><gmd:extent><gmd:EX_Extent><gmd:geographicElement><gmd:EX_GeographicBoundingBox><gmd:extentTypeCode><gco:Boolean>true</gco:Boolean></gmd:extentTypeCode><gmd:westBoundLongitude><gco:Decimal>5.81</gco:Decimal></gmd:westBoundLongitude><gmd:eastBoundLongitude><gco:Decimal>15.77</gco:Decimal></gmd:eastBoundLongitude><gmd:southBoundLatitude><gco:Decimal>47.26</gco:Decimal></gmd:southBoundLatitude><gmd:northBoundLatitude><gco:Decimal>54.76</gco:Decimal></gmd:northBoundLatitude></gmd:EX_GeographicBoundingBox></gmd:geographicElement></gmd:EX_Extent></gmd:extent></gmd:MD_DataIdentification></gmd:identificationInfo><gmd:distributionInfo><gmd:MD_Distribution><gmd:distributionFormat><gmd:MD_Format><gmd:name><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">CSV</gco:CharacterString></gmd:name><gmd:version><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco"/></gmd:version></gmd:MD_Format></gmd:distributionFormat><gmd:distributionFormat><gmd:MD_Format><gmd:name><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Microsoft Excel (xlsx)</gco:CharacterString></gmd:name><gmd:version><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco"/></gmd:version></gmd:MD_Format></gmd:distributionFormat><gmd:distributionFormat><gmd:MD_Format><gmd:name><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">File-Geodatabase</gco:CharacterString></gmd:name><gmd:version><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco"/></gmd:version></gmd:MD_Format></gmd:distributionFormat><gmd:distributor><gmd:MD_Distributor><gmd:distributorContact><gmd:CI_ResponsibleParty><gmd:individualName><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">BonaRes Data Centre</gco:CharacterString></gmd:individualName><gmd:organisationName><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Leibniz Centre for Agricultural Landscape Research (ZALF)</gco:CharacterString></gmd:organisationName><gmd:positionName><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Research Platform 'Data'  - WG Geodata</gco:CharacterString></gmd:positionName><gmd:contactInfo><gmd:CI_Contact><gmd:phone><gmd:CI_Telephone><gmd:voice><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">+49 33432 82 171</gco:CharacterString></gmd:voice><gmd:facsimile><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">+49 33432 82 4082</gco:CharacterString></gmd:facsimile></gmd:CI_Telephone></gmd:phone><gmd:address><gmd:CI_Address><gmd:deliveryPoint><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Eberswalder Strasse 84</gco:CharacterString></gmd:deliveryPoint><gmd:city><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">M&#252;ncheberg</gco:CharacterString></gmd:city><gmd:administrativeArea><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Brandenburg</gco:CharacterString></gmd:administrativeArea><gmd:postalCode><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">15374</gco:CharacterString></gmd:postalCode><gmd:country><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Germany</gco:CharacterString></gmd:country><gmd:electronicMailAddress><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">bonares-datenzentrum@zalf.de</gco:CharacterString></gmd:electronicMailAddress></gmd:CI_Address></gmd:address><gmd:onlineResource><gmd:CI_OnlineResource><gmd:linkage><gmd:URL>https://www.bonares.de/research-data</gmd:URL></gmd:linkage></gmd:CI_OnlineResource></gmd:onlineResource></gmd:CI_Contact></gmd:contactInfo><gmd:role><gmd:CI_RoleCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode></gmd:role></gmd:CI_ResponsibleParty></gmd:distributorContact></gmd:MD_Distributor></gmd:distributor><gmd:transferOptions><gmd:MD_DigitalTransferOptions><gmd:onLine><gmd:CI_OnlineResource><gmd:linkage><gmd:URL>https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&amp;doi=https://doi.org/10.20387/BonaRes-S84Z-CHBT</gmd:URL></gmd:linkage><gmd:function><CI_OnLineFunctionCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download"/></gmd:function></gmd:CI_OnlineResource></gmd:onLine></gmd:MD_DigitalTransferOptions></gmd:transferOptions></gmd:MD_Distribution></gmd:distributionInfo><gmd:dataQualityInfo><gmd:DQ_DataQuality><gmd:scope><gmd:DQ_Scope><gmd:level><MD_ScopeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset"/></gmd:level><gmd:levelDescription xmlns:gco="http://www.isotc211.org/2005/gco" gco:nilReason="inapplicable"/></gmd:DQ_Scope></gmd:scope><gmd:report><gmd:DQ_DomainConsistency><gmd:result><gmd:DQ_ConformanceResult><gmd:specification><gmd:CI_Citation><gmd:title><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">individual</gco:CharacterString></gmd:title><gmd:date><gmd:CI_Date><gmd:date><gco:Date xmlns:gco="http://www.isotc211.org/2005/gco">2018-11-08</gco:Date></gmd:date><gmd:dateType><CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="creation"/></gmd:dateType></gmd:CI_Date></gmd:date></gmd:CI_Citation></gmd:specification><gmd:explanation><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">unknown</gco:CharacterString></gmd:explanation><gmd:pass xmlns:gco="http://www.isotc211.org/2005/gco" gco:nilReason="unknown"/></gmd:DQ_ConformanceResult></gmd:result></gmd:DQ_DomainConsistency></gmd:report><gmd:lineage><gmd:LI_Lineage><gmd:statement><gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Samples were collected in the field (for methods see description of the data set), transported to the lab and measured there (for methods see description of the data set). Results of measurements were stored locally and in the institute network as xls files. For calculation all data were condensed in one xls file. </gco:CharacterString></gmd:statement></gmd:LI_Lineage></gmd:lineage></gmd:DQ_DataQuality></gmd:dataQualityInfo></gmd:MD_Metadata>