<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31485442</termId><termName>ecosystem health</termName><termType>PT</termType><termNote><![CDATA[ The consideration of complex ecological environments as systems, rather than as assemblages of individual species. The well-being of an ecosystem depends on the functioning of its parts, and on higher-order phenomena such as population dynamics, community structure, and landscape processes. ]]></termNote><termCreatedDate>2026-03-30 20:19:47</termCreatedDate><relation><relationType>UF</relationType><termId>31485443</termId><termName>ecological health</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31485444</termId><termName>health, ecosystem</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31296884</termId><termName>environmental concepts</termName><termType>PT</termType></relation></term>  </Zthes>