<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>39</termId><termName>Change in population size and migration flows</termName><termType>PT</termType><termLanguage>en-EN</termLanguage><termVocabulary>SYMSITES</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Change in population size and migration flows</termSortkey><termNote label="Scope"><![CDATA[ <p>SYMSITES k-SDSS</p> ]]></termNote><termNote label="Definition"><![CDATA[ <p>In the context of an I-US build, it refers to the difference in population size between the beginning and end of a given time period (the time horizon interval).<br />Here, migration refers to the number of national and non-national citizens in the population ('<em>stocks</em>') and data relating to applications for residence in the I-US territorial basin.</p> ]]></termNote><termNote label="Definition"><![CDATA[ <p>In the context of an I-US build, it refers to the difference in population size between the beginning and end of a given time period (the time horizon interval).<br />Here, migration refers to the number of national and non-national citizens in the population ('<em>stocks</em>') and data relating to applications for residence in the I-US territorial basin.</p> ]]></termNote><termCreatedDate>Change in population size and migration flows</termCreatedDate><relation><relationType>BT</relationType><termId>37</termId><termName>Population dynamics</termName><termType>PT</termType></relation></term>  </Zthes>