Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalis(1991)

6m1991-01-01
Documentary

Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalis Synopsis

The film shows the spatial distribution and the behaviour of the Mediterranean demoiselle Calopteryx haemorrhoidalis on typical reproduction waters. The great importance of suitable perches becomes obvious. These perches, e. g. single rush stems, are used by immature, hunting individuals as well as by reproductive males that are controlling territories from these sites. The latter chase all other individuals, the result being a spatial segregation between immature and reproductive specimens during the day. Typical behaviour, such as threatening, courting, copulation, and oviposition is shown in different film speeds.

Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalis (1991) is a documentary film directed by Georg Rüppell, released on January 1, 1991 with a runtime of 6m.

Director:
Georg Rüppell
Producers:
Georg Rüppell
Production:
Institut für den wissenschaftlichen Film (IWF)
Status:
Released

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Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalis was released on January 1, 1991 and runs for 6m.