CONCEPTShttp://cat.aii.caas.cn/concept/10971cat.aii.caas.cnhttp://dewey.info/class/986.6/dewey.infohttp://eurovoc.europa.eu/841eurovoc.europa.euhttp://lod.nal.usda.gov/nalt/7412lod.nal.usda.govhttp://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb11931363fstitch.cs.vu.nlhttp://sws.geonames.org/3658394/sws.geonames.orghttp://www.fao.org/countryprofiles/geoinfo/geopolitical/resource/Ecuadorwww.fao.orghttp://zbw.eu/stw/descriptor/17920-1zbw.eu。