<?xml version="1.0" encoding="UTF-8"?>
<articles>
<article xmlns:xlink="http://www.w3.org/1999/xlink/">
  <front>
    <journal-meta>
      <journal-title>Ecol. Indic.</journal-title>
      <abbrev-journal-title>Ecol. Indic.</abbrev-journal-title>
      <issn/>
    </journal-meta>
    <article-meta>
      <title-group>
        <article-title>Economic valuation of the natural service of nitrate regulation provided by rivers including dilution effects: Application to a semiarid region, the Ebro basin (Spain)</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Tapia</surname>
            <given-names>Javier</given-names>
          </name>
          <aff>
            <institution>Universidad de Zaragoza</institution>
          </aff>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Bielsa</surname>
            <given-names>Jorge</given-names>
          </name>
          <aff>
            <institution>Universidad de Zaragoza</institution>
          </aff>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Martínez Martínez</surname>
            <given-names>Yolanda</given-names>
          </name>
          <aff>
            <institution>Universidad de Zaragoza</institution>
          </aff>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Sauvage</surname>
            <given-names>Sabine</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Cakir</surname>
            <given-names>Roxelane</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Raimonet</surname>
            <given-names>Mélanie</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Gerino</surname>
            <given-names>Magali</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Sánchez-Pérez</surname>
            <given-names>José Miguel</given-names>
          </name>
        </contrib>
      </contrib-group>
      <pub-date pub-type="pub">
        <year>2020</year>
      </pub-date>
      <volume/>
      <fpage/>
      <lpage/>
      <self-uri xlink:href="http://zaguan.unizar.es/record/106152"/>
      <self-uri xlink:href="http://zaguan.unizar.es/record/106152/files/texto_completo.pdf"/>
      <self-uri xlink:href="http://zaguan.unizar.es/record/106152/files/texto_completo.jpg?subformat=icon"/>
    </article-meta>
    <abstract/>
  </front>
  <article-type>research-article</article-type>
  <ref/>
</article>

</articles>