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On the occurrence of males and production of ephippial eggs in populations of Daphniopsis studeri (Cladocera) in lakes of the Vestfold and Larsemann Hills, East Antarctica

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Gibson, JAE and Dartnall, HJG and Swadling, KM (1998) On the occurrence of males and production of ephippial eggs in populations of Daphniopsis studeri (Cladocera) in lakes of the Vestfold and Larsemann Hills, East Antarctica. Polar Biology, 19. pp. 148-150. ISSN 0722-4060

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Abstract

Populations of the cladoceran Daphniopsis
studeri Ruhe in freshwater and brackish lakes of eastern
Antarctica have been thought to consist solely of females
that reproduce parthenogenetically by the production of
ameiotic subitaneous eggs. This note reports the pres-
ence of male D. studeri and the production of ephippial
(sexual) eggs in a number of lakes of the Vestfold and
Larsemann Hills, which indicate the possibility of sexual
reproduction within these populations.

Item Type: Article
Journal or Publication Title: Polar Biology
Page Range: pp. 148-150
ISSN: 0722-4060
Identification Number - DOI: 10.1007/s003000050227
Date Deposited: 24 Jan 2007
Last Modified: 18 Nov 2014 03:12
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