<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31309409</termId><termName>water pollution</termName><termType>PT</termType><termNote><![CDATA[ Contamination of water resources.   ]]></termNote><termCreatedDate>2026-03-30 20:23:19</termCreatedDate><relation><relationType>UF</relationType><termId>31309410</termId><termName>pollution, water</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31300088</termId><termName>pollution by location or context</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31328227</termId><termName>marine pollution</termName><termType>PT</termType></relation></term>  </Zthes>