<http://webisa.webdatacommons.org/prov/272888547>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390799875> .
<http://webisa.webdatacommons.org/prov/270316300>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390799875> .
<http://webisa.webdatacommons.org/390799875>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
<http://webisa.webdatacommons.org/390799875>	<http://www.w3.org/ns/prov#value>	"Weather, food availability, disease and other factors have caused the two species' populations to fluctuate over the years." .
<http://webisa.webdatacommons.org/390799875>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/82205989>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390799875> .