About: http://webisa.webdatacommons.org/402443532

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Environmental Sciences and Ecology 50 A .--Breeding birds require high levels of energy and certain nutrients, such as calcium.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov