About: http://webisa.webdatacommons.org/298979336

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	Selecting appropriate methods to estimate abundance is often very difficult, especially if data are scarce.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov