Overvågning af skarver 1989
By: af Jens Gregersen.
Series: Naturovervågningsrapport
Publisher: Miljøministeriet, Skov- og naturstyrelsen
Published: 1990
Place of publication: Hørsholm [Denmark]
Language: dan
Number of pages: 35
Subjects: Cormorants -- Monitoring -- Denmark.; Bird populations -- Denmark.