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BLOOM OF THE GIANT ANADYOMENE GIGANTODICTYON SP. NOV. (ANADYOMENACEAE, CLADOPHORALES) FROM THE OUTER SLOPE (25–50 m) OF THE BELIZE BARRIER REEF1
Article first published online: 10 JAN 2012
© 2012 Phycological Society of America
Journal of Phycology
Volume 48, Issue 1, pages 60–63, February 2012
How to Cite
Littler, M. M. and Littler, D. S. (2012), BLOOM OF THE GIANT ANADYOMENE GIGANTODICTYON SP. NOV. (ANADYOMENACEAE, CLADOPHORALES) FROM THE OUTER SLOPE (25–50 m) OF THE BELIZE BARRIER REEF. Journal of Phycology, 48: 60–63. doi: 10.1111/j.1529-8817.2011.01108.x
Received 26 October 2010. Accepted 30 June 2011.
- Issue published online: 1 FEB 2012
- Article first published online: 10 JAN 2012
- algal bloom Anadyomene;
- Anadyomene gigantodictyon;
- Belize Barrier Reef;
A giant form of Anadyomene, most similar to Anadyomene pavonina (J. Agardh) Wille, a rare and diminutive alga endemic to Florida, appeared as up to 10 m long net-like strands covering 10%–80% of a 0.5 km region of the 25–50 m deep Belizean outer reef slope where none had been present up to 12 months earlier. This new species, described herein as Anadyomene gigantodictyon Littler et D. S. Littler, is characterized by a unistratose blade or cluster of blades formed by the polychotomous branching of uniseriate veins, with the interstices, or spaces between the veins, completely or partially filled with cells that are smaller than those of the veins, with cylindrical to ovate cells. The cells at mid-blade are 1.7–2.0 mm in length and 0.2–0.3 mm diameter; interstitial cells are parallel and not juxtaposed. All cells are joined in one plane and form species-specific, fan-shaped patterns with secondary interstitial cells loosely or tightly woven.