<?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">plant communities</topic></authority><related type="narrower"><topic>grasslands</topic></related><related type="narrower"><topic>tundras</topic></related><related type="narrower"><topic>scrublands</topic></related><related type="narrower"><topic>forests</topic></related><related type="narrower"><topic>ephemeral communities</topic></related><related type="broader"><topic>vegetation</topic></related><related type="broader"><topic>vegetation features</topic></related><variant type="other"><topic>communities, plant</topic></variant><variant type="other"><topic>plant community</topic></variant> <note xml:lang="en"><![CDATA[ Naturally occuring groups of plants that share a common environment and interact with each other, animal populations, and the physical environment. Plant communities tend to co-occur on the landscape due to shared environmental requirements. ]]></note></mads>