Cookies Policy

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here

Morphological Aberrations in Females of the Genus Acartia (Copepoda, Calanoida) in the Baltic Sea

No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

Access this article

+ Tax (if applicable)
Add to Favorites
You must be logged in to use this functionality

image of Crustaceana

Morphological aberrations of the 5th pair of legs (P5) of females of the calanoid copepod genus Acartia from the Baltic Sea were observed. The aberrant shape of P5 ranged from thickening to doubling or tripling of the apical spines on one or both legs or even introduction of additional segments. From 7 to 16% of A. bifilosa females showed a deformation of P5 in the samples taken recently from German coastal waters, the Bornholm Sea, and the Lithuanian coast, but lower frequencies were observed in the specimens from the Polish coast (no abnormalities) as well as from the Gotland Sea (2%). In A. tonsa, A. longiremis, and A. discaudata, less than 4% of the females were abnormal. Coastal-open-sea or pollution gradients did not explain this. In A. bifilosa from the Kiel Bight, females from a sample collected in 1924 showed a similar frequency (14%) and the same structure of P5 aberrations in comparison with recent ones. It is suggested, that the described abnormalities are most likely a natural phenomenon for this genus.

Affiliations: 1: ) Institute of Marine Research, Düsternbrooker Weg 20, D-24 105 Kiel, Germany; 2: ) State Oceanographic Institute, Kropotkinski per., 6, 119 838 Moscow, Russia; 3: ) Finnish Institute of Marine Research, P.O. Box 33, FIN-009 31 Helsinki, Finland


Full text loading...


Data & Media loading...

Article metrics loading...



Can't access your account?
  • Tools

  • Add to Favorites
  • Printable version
  • Email this page
  • Subscribe to ToC alert
  • Get permissions
  • Recommend to your library

    You must fill out fields marked with: *

    Librarian details
    Your details
    Why are you recommending this title?
    Select reason:
    Crustaceana — Recommend this title to your library
  • Export citations
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation