Benthic cyanobacterial, Microcoleus lyngbyaceus, blooms in shallow, inshore Puerto Rican Seagrass habitats, Caribbean sea

Biomass and cover of Microcoleus lyngbyaceus (Kützing) Crouan were monitored at inshore seagrass habitats in southwest Puerto Rico for 16 months. Substantial localized blooms with maximum cover of 100% and comprising >600 g/m 2 were encountered. Abundance of Microcoleus (biomass and percent cover...

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Bibliographic Details
Published in:Harmful algae 2003-06, Vol.2 (2), p.127-133
Main Authors: Stielow, Stefanie, Ballantine, David L.
Format: Article
Language:English
Subjects:
Biomass
Caribbean
Cyanobacteria
Cyanobacterial bloom
Cyanophyta
Marine
Microcoleus
Microcoleus lyngbyaceus
Puerto Rico
Thalassia testudinum
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Summary:Biomass and cover of Microcoleus lyngbyaceus (Kützing) Crouan were monitored at inshore seagrass habitats in southwest Puerto Rico for 16 months. Substantial localized blooms with maximum cover of 100% and comprising >600 g/m 2 were encountered. Abundance of Microcoleus (biomass and percent cover) were not significantly correlated with either water temperature or water column nitrogen (as nitrate and nitrite concentrations). M. lyngbyaceus has locally been implicated as being detrimental to the seagrass Thalassia testudinum König which is supported by circumstantial evidence. Thalassia cover declined in permanent quadrats that were strongly impacted with Microcoleus.
ISSN:1568-9883
1878-1470
DOI:10.1016/S1568-9883(03)00007-6