CONCEPTShttp://cat.aii.caas.cn/concept/16423cat.aii.caas.cnhttp://cat.aii.caas.cn/concept/41316cat.aii.caas.cnhttp://d-nb.info/gnd/4065341-9d-nb.infohttp://linkeddata.ge.imati.cnr.it:2020/resource/EARTh/11650linkeddata.ge.imati.cnr.ithttp://lod.gesis.org/thesoz/concept/10042447lod.gesis.orghttp://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb11932363pstitch.cs.vu.nlhttp://www.eionet.europa.eu/gemet/concept/9380www.eionet.europa.euhttp://www.fao.org/countryprofiles/geoinfo/geopolitical/resource/Worldwww.fao.orghttp://zbw.eu/stw/descriptor/16809-5zbw.eu。