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  Notes on the Systematics and Ecology of Daphnia pulex LEYDIG in Northern Canada

Meijering, M. P. D. (1975). Notes on the Systematics and Ecology of Daphnia pulex LEYDIG in Northern Canada. Internationale Revue der Gesamten Hydrobiologie, 60(5), 691-703.

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 Urheber:
Meijering, Meertinus P. D.1, Autor           
Affiliations:
1Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976546              

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 Zusammenfassung: Abstract Daphnia populations from the region of Yellowknife (N. W. T.) on the Great Slave Lake, from Tuktoyaktuk (N. W. T.) on the coast of the Beaufort Sea east of the Mackenzie-Delta, and from Shingle Point (Y. T.) west of the Makenzie-Delta were described. Population diagrams were given for the beginning of September 1974. The populations found at the above mentioned sites were compared with Daphnia pulex from Spitsbergen and the German island of Spiekeroog. Though some characteristics of Daphnia middendorffiana FISCHER occurred, mainly in individuals from very northern ponds, these were always found in individuals which also possessed some of the characteristics of Daphnia pulex. In every pond, specimens with characteristics of Daphnia middendorffiana lived together with other individuals resembling Daphnia pulex. Males were found in three out of the four visited ponds on the shore of the Arctic Sea, and were apparently Daphnia pulex. AIl the material sampled in northern Canada was regarded as belonging to Daphnia pulex LEYDIG 1860 emend. RICHARD 1896. There was evidence, that characteristics of Daphnia middendorffiana develop under the influence of environmental conditions, such as food supply. Daphnia magna STRAUS was found far north of the arctic circle.

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Sprache(n): eng - English
 Datum: 1975
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 257080
Anderer: 0416
 Art des Abschluß: -

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Titel: Internationale Revue der Gesamten Hydrobiologie
  Alternativer Titel : Int. Rev. Gesamt. Hydrobiol.
Genre der Quelle: Zeitschrift
 Urheber:
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 60 (5) Artikelnummer: - Start- / Endseite: 691 - 703 Identifikator: -