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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Mares y océanos</topic></authority><related type="narrower"><topic>Atlántico</topic></related><related type="other"><topic>Fondo del mar</topic></related><related type="other"><topic>Flora marina</topic></related><related type="other"><topic>Oceanografía</topic></related><related type="other"><topic>Ecología marina</topic></related><related type="other"><topic>Fauna marina</topic></related><related type="other"><topic>Hidrografía</topic></related><related type="other"><topic>Aguas marinas</topic></related><related type="broader"><topic>Geografía física</topic></related><variant type="other"><topic>Océanos</topic></variant><variant type="other"><topic>Mar</topic></variant></mads>