Seagrass Data: Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida
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 Home |Tampa Bay Study| 2nd Annual Science Conference | Posters | Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida

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Abstract | Plate 1 | Plate 2 | Plate 3 | Plate 4 | Plate 5| Plate 6 | Contacts

Cho T.O., S. Fredericq & K. Yates. 2002. Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida. Abstract, Botany 2002 - Annual meeting of the Phycological Society of America at the University of Wisconsin in Madison, August 4-7. (Dept. Biology, University of Louisiana at Lafayette, Lafayette LA 70504, U.S. Geological Survey, 600 4th Street South, St. Petersburg FL 33701)

Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida


Acrochaetium sp.
Blooms of seagrass epiphytes have potentially important economic and ecological consequences in Tampa Bay, one of the Gulf of Mexico's largest estuaries. As part of a
Griffithsia sp.
Tampa Bay Pilot Study to assess and monitor the impact of environmental stresses, precise characterization of epiphyte diversity is required for efficient management of affected resources, and thus may be used as a rational basis for assessment of ecosystem health.

Fixed monitoring sites were selected north of Port Manatee, composed of dense and sparse Thalassia testudinum seagrass sites. A total of 13 epiphytic species encompassing green, brown and red macroalgae were manually collected in May
Ceramium gracillimum var. byssoideum
2001 from dense seagrass beds, versus 9 species from sparse beds. Epiphytes only collected in the dense beds were Enteromorpha flexuosa, Sphacelaria rigidula, Ceramium gracillimum var. byssoideum, and Herposiphonia tenella, and in the sparse beds Griffithsia and Stylonema alsidii.
Centroceras clavulatum

A correlation seems to emerge among attachment type of epiphyte to host, presence of cortication and epiphyte length. A main goal of this ongoing study is the identification of indicator species for both healthy and stressful seagrass bed environments using both taxonomic and gene sequencing techniques



Abstract | Plate 1 | Plate 2 | Plate 3 | Plate 4 | Plate 5| Plate 6 | Contacts

U.S. Department of the Interior, U.S. Geological Survey, Gulf of Mexico Integrated Science
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