| http://www.w3.org/ns/prov#value | - e.action;jsessionid=DD3A89630D6048E267FB32880B83CA61?articleURI=info%3Adoi%2F10.1289%2Fehp.120-a152#r4>4</a></sup> All this exploitation strained ecosystems, but in the past, when the population was a fraction of what it is now, these strains were local rather than global phenomena.</p>
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