<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">deserts</topic></authority><related type="narrower"><topic>rocky deserts</topic></related><related type="narrower"><topic>sandy deserts</topic></related><related type="narrower"><topic>[deserts by biome]</topic></related><related type="other"><topic>desert biomes</topic></related><related type="broader"><topic>landforms</topic></related><variant type="other"><topic>desert</topic></variant> <note xml:lang="en"><![CDATA[ Broad category of dry regions occurring where rainfall is less than 50 cm per year; usually barren and treeless. ]]></note></mads>