<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>1688</termId><termName>ECOLOGIA ACUATICA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>ECOLOGIA ACUATICA</termSortkey><termCreatedDate>ECOLOGIA ACUATICA</termCreatedDate><termModifiedDate>2015-02-09 10:11:54</termModifiedDate><relation><relationType>BT</relationType><termId>753</termId><termName>ECOLOGIA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>8036</termId><termName>BIOLOGIA ACUATICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>2547</termId><termName>ECOHIDROLOGIA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>28263</termId><termName>ECOLOGIA DE AGUA DULCE</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>27304</termId><termName>ECOLOGIA MARINA</termName><termType>PT</termType></relation></term>  </Zthes>