de.mpg.escidoc.pubman.appbase.FacesBean
Deutsch
 
Hilfe Wegweiser Impressum Kontakt Einloggen
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT

Freigegeben

Zeitschriftenartikel

A comparative study of species in the Stephanodiscus niagarae-complex and a description of S. heterostylus sp. nov

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons56728

Meyer,  Barbara
Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

Externe Ressourcen
Es sind keine Externen Ressourcen verfügbar
Volltexte (frei zugänglich)
Es sind keine frei zugänglichen Volltexte verfügbar
Ergänzendes Material (frei zugänglich)
Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar
Zitation

Håkansson, H., & Meyer, B. (1994). A comparative study of species in the Stephanodiscus niagarae-complex and a description of S. heterostylus sp. nov. Diatom Research, 9(1), 65-85.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-E3A6-4
Zusammenfassung
The Stephanodiscus niagarae-complex is comprised of large, planktonic, morphologically variable species with dissimilarly shaped valves (heterovalvy). The species are characterized by a set of subtle morphological features causing controversy in species distinction. In this paper we present a comparative study based on a re-investigation of the original material for the following species: S. niagarae, S. rotula, S. aegyptiacus, S. neoastraea, S. galileensis and S. agassizensis. New material from Farmoor Reservoir (England), Loch Neagh (Ireland) and a lake in the Rift Valley (East-Africa) was also analyzed. The position of the valve face fultoportulae is used as a character to differentiate two groups. In one group the position of the fultoportulae is the same on each valve face, whereas in the other group the positions are different. A third group is lacking fultoportulae. A new species, S. heterostylus is described based on material from Farmoor