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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Ecología marina</topic></authority><related type="other"><topic>Flora marina</topic></related><related type="other"><topic>Fauna marina</topic></related><related type="other"><topic>Mares y océanos</topic></related><related type="other"><topic>Biología marina</topic></related><related type="broader"><topic>Ecología</topic></related><variant type="other"><topic>Mares y océanos-Ecología</topic></variant><variant type="other"><topic>Ecología oceánica</topic></variant></mads>