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ISSN: 1521-9429 Print
ISSN: 1940-4328 Online
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DOI: 10.1615/InterJAlgae.v11.i2
Pages: 104
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DOI: 10.1615/InterJAlgae.v11.i2.40
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Article price - $35.00 |
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Spatiotemporal sex ratios of a dioecious marine green alga Monostroma latissimum (Kütz.) Wittr.
F. Bast
Graduate School of Kuroshio Science, Kochi University, 2-5-1 Akebono, Kochi 780-8520, Japan
M. Hiraoka
Graduate School of Kuroshio Science, Kochi University, 2-5-1 Akebono, Kochi 780-8520, Japan
K. Okuda
Graduate School of Kuroshio Science, Kochi University, 2-5-1 Akebono, Kochi 780-8520, Japan
ABSTRACT
Sex ratios mediated by environmental conditions are a commonly perceived mechanism through which offspring quality is influenced in many biological systems, but little empirical evidence exists for this complementarity among algal species. This study tries to relate fluctuations in the secondary sex ratio (in nature) of rocky intertidal seaweed Monostroma latissimum (Kütz.) Wittr. to habitat and seasonality. The sex ratio was estimated as roughly 1:1 at all the habitats. Given an approximately even sex ratio at maturity, there seems to be no environmental factor that differentially influences the in-situ survival of male or female gametophytes.
pages 141-150
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