<http://webisa.webdatacommons.org/prov/442425724>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/441739519> .
<http://webisa.webdatacommons.org/441739519>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/441739519>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<royalsociety.org> .
<http://webisa.webdatacommons.org/441739519>	<http://www.w3.org/ns/prov#value>	"His work focuses mainly on developing countries, especially in West Africa, where the multiple challenges of improving food security, maintaining ecosystem services, conserving wild species and finding truly ???sustainable??? ways of increasing agricultural production are most acute." .