<http://webisa.webdatacommons.org/241693128>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dartmouth.edu> .
<http://webisa.webdatacommons.org/241693128>	<http://www.w3.org/ns/prov#value>	"Compared to such activities as measuring air and water quality, calculating the risk of extinction or the chance of recovery of a particular species is far more difficult." .
<http://webisa.webdatacommons.org/prov/298156449>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/241693128> .
<http://webisa.webdatacommons.org/241693128>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/331078940>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/241693128> .