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Reproduction in Sphacelaria biradiata Askenasy (Sphacelariales, Phaeophyceae) in Southern Australia

Gibson, Maria 2003, Reproduction in Sphacelaria biradiata Askenasy (Sphacelariales, Phaeophyceae) in Southern Australia, Victorian naturalist, vol. 120, no. 5, pp. 171-178.

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Title Reproduction in Sphacelaria biradiata Askenasy (Sphacelariales, Phaeophyceae) in Southern Australia
Author(s) Gibson, Maria
Journal name Victorian naturalist
Volume number 120
Issue number 5
Start page 171
End page 178
Publisher Field Naturalists Club of Victoria
Place of publication Melbourne, Vic.
Publication date 2003
ISSN 0042-5184
Summary Sphacelaria biradiata Askenasy is a little known but common brown alga of southern Australian coasts. This paper describes its reproduction. Populations of S. biradiata reproduced asexually by vegetative propagules in all localities examined. The propagules were produced throughout the year and did not appear to be affected by season, although, if sexual structures occurred, propagule numbers declined. Sexual reproduction can occur and involves an alternation of generations, but it is a rare event. Gametophytes may produce male gametangia, female gametangia or both. Male gametangia, however, are extremely rare and are described for the first time. Production of female gametangia was influenced by season and occurred at all areas studied. The sexual behaviour of the male and female gametes is described.
Language eng
Field of Research 060803 Animal Developmental and Reproductive Biology
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, Field Naturalists Club of Victoria
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002045

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.