Monitoring study of

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CASPIAN ENVIRONMENT PROGRAMME
Monitoring study of Beroe ovata and Mnemiopsis
leidyi in the Southern Caspian Summer-Autumn
2005
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Ctenophora, polymorphic species Mnemiopsis
leidyi (A.Agassiz) a self-fertilizing
hermaphrodite a generalist carnivorous
feeder main foodzooplankton, fish eggs and
larvae occurs over a broad range of salinity and
temperature conditions
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Mnemiopsis leidyi from the Caspian Sea
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Ctenophora Beroe ovata Mayer 1912 a
self-fertilizing hermaphrodite a specialised
carnivore of plankton-eating ctenophores
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Beroe ovata from the Black Sea
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The tasks

•  q    to investigate possible presence of Beroe
  ovata in the Caspian Sea, particularly in
  Southern Caspian

• q    to set up regional programme for monitoring
  of Mnemiopsis leidyi and Beroe ovata in the
  Southern Caspian in coastal waters of Azerbaijan,
  I.R. Iran and Turkmenistan

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Map of sampling sites
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M.leidyi abundance (ind/m2), biomass (g.m2) in
studied areas
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M.leidyi abundance (ind.m3) in August