@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@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_ae23b372
  rdf:value "Pingers are a type of acoustic alarm. They tend to be relatively small, cylindrical units roughly the size of a soda can. They produce sound at different frequencies, although generally in the 3–70 kHz range, and lower than 180 dB (re 1 pPa @ 1 m). "@en ;
  dc:created "2022-01-14T17:38:54"^^xsd:dateTime ;
  dc:source <https://www.bmis-bycatch.org/mitigation-techniques/pingers-acoustic-alarms> .

agrovoc:c_549151a5 skos:definition agrovoc:xDef_ae23b372 .