<https://forum.gardsdrift.no/topic/8633-hvorfor-verdsettes-l%C3%B8vskog-lavt/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.gardsdrift.no/topic/8633-hvorfor-verdsettes-l%C3%B8vskog-lavt/>