@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://art.uniroma2.it/ontologies/vocbench#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

agrovoc:xDef_3f2d5ce4
  rdf:value "A modelling technique for computing historical fishing mortality rates and stock sizes by age, based on data on catches, natural mortality, and certain assumptions about mortality for the last year and last age group. A virtual population analysis (VPA) essentially reconstructs the history of each cohort, assuming that the observed catches are known without error."@en ;
  ns0:hasSource "Adapted from: Powers J.E., and V.R. Restrepo. 1992. Additional options for age-sequenced analysis. ICCAT SCRS/91/040." ;
  dc:created "2024-05-20T12:46:58"^^xsd:dateTime .

agrovoc:c_743978f4 skos:definition agrovoc:xDef_3f2d5ce4 .