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<http://webisa.webdatacommons.org/400876028>	<http://www.w3.org/ns/prov#value>	"A more sophisticated approach would be to develop a land use impact ???factor??? that combines measures including biodiversity impacts, soil fertility and soil erosion." .
<http://webisa.webdatacommons.org/400876028>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mars.com> .
<http://webisa.webdatacommons.org/400876028>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .