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An experimental test of the capacity of food web interactions (fish-epiphytes-seagrasses) to offset the negative consequences of eutrophication on seagrass communities
Title
An experimental test of the capacity of food web interactions (fish-epiphytes-seagrasses) to offset the negative consequences of eutrophication on seagrass communities.
Creator
Gacia, E., Littler, Mark M., Littler, Diane S., Harbor Branch Oceanographic Institute
Date Issued
1999
PURL
http://purl.flvc.org/FCLA/DT/3174494
Subject Headings
Seagrasses, Epiphytes, Fishes, Grazing, Algae
Format
Document (PDF)
The seagrass epiphytes of the Indian River, Florida I. Species list with descriptions and seasonaloccurrences
Title
The seagrass epiphytes of the Indian River, Florida I. Species list with descriptions and seasonaloccurrences.
Creator
Hall, Margaret O., Eiseman, N. J., Harbor Branch Oceanographic Institute
Date Issued
1981
PURL
http://purl.flvc.org/fau/fd/FA00007007
Subject Headings
Indian River (Fla. : Lagoon), Epiphytes, Species, Seagrasses
Format
Document (PDF)
QUANTITATIVE COMPARISON OF THE EPIFAUNA ON THALASSIA TESTUDINUM KONIG IN THREE HYDROGRAPHICALLY DISTINCT AREAS IN SOUTHERN FLORIDA
Title
A QUANTITATIVE COMPARISON OF THE EPIFAUNA ON THALASSIA TESTUDINUM KONIG IN THREE HYDROGRAPHICALLY DISTINCT AREAS IN SOUTHERN FLORIDA.
Creator
WALESKY, RICHARD EDWARD, Florida Atlantic University
Abstract/Description
The invertebrate macrofauna and algal epiphytes occurring on Thalassia in three hydrographically distinct areas in southern Florida were sampled during 14 June-21 June, 1974. A total of 178 invertebrate species was collected. The dominant non-colonial invertebrate taxa were Amphipoda, Isopoda, Mollusca, Polychaeta, and Tanaidacea. These groups included 93.8% of the fauna and 70.4% of the non-colonial invertebrate species. A relatively high faunal homogeneity was observed on each site....
Show moreThe invertebrate macrofauna and algal epiphytes occurring on Thalassia in three hydrographically distinct areas in southern Florida were sampled during 14 June-21 June, 1974. A total of 178 invertebrate species was collected. The dominant non-colonial invertebrate taxa were Amphipoda, Isopoda, Mollusca, Polychaeta, and Tanaidacea. These groups included 93.8% of the fauna and 70.4% of the non-colonial invertebrate species. A relatively high faunal homogeneity was observed on each site. Turbidity and the abundance of algal epiphytes were important environmental factors affecting the observed differences in the composition and density of the epifauna between sites. Similarities in diversity (H') between Chicken Key (2.75), Lake Surprise (2.89) and San Carlos Bay (2.93), were presumably due to equivalent substrates with similar degrees of environmental instability. The Thalassia epifauna showed a high degree of parallelism with the Zostera marina epifauna.
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Date Issued
1976
PURL
http://purl.flvc.org/fcla/dt/13831
Subject Headings
Turtle grass, Hydrocharitaceae, Marine animals, Epiphytes
Format
Document (PDF)
effects of cypress dome size on epiphyte diversity in southern Florida
Title
The effects of cypress dome size on epiphyte diversity in southern Florida.
Creator
Muss, Jordan, Florida Atlantic University, Austin, Daniel F.
Abstract/Description
Epiphyte richness and abundance were observed in 18 cypress domes spanning two regions in South Florida that were classified by annual low temperature differences of 4.05°C. Using the Preston model of island biogeography and linear regression, the following hypotheses were tested: (1) Larger domes have greater epiphyte diversity because they moderate temperature extremes better than smaller domes. (2) The effect of cypress dome size is reduced in subtropical compared to more temperate regions...
Show moreEpiphyte richness and abundance were observed in 18 cypress domes spanning two regions in South Florida that were classified by annual low temperature differences of 4.05°C. Using the Preston model of island biogeography and linear regression, the following hypotheses were tested: (1) Larger domes have greater epiphyte diversity because they moderate temperature extremes better than smaller domes. (2) The effect of cypress dome size is reduced in subtropical compared to more temperate regions. (3) A measurable temperature gradient exists within cypress domes. The analyses indicated that epiphyte distribution in cypress domes fits the Preston model. In addition to an increase in diversity with area, there were regional differences that were correlated to temperature, however, these differences diminished as dome size increased. Within the domes, an increase in diversity was correlated to significant differences between dome edge and center temperatures, indicating the occurrence of factors that were influenced by area.
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Date Issued
2001
PURL
http://purl.flvc.org/fcla/dt/12799
Subject Headings
Epiphytes--Florida, Biogeography--Climatic factors
Format
Document (PDF)
Productivity and biomass of Thalassia testudinum as related to water column nutrient availability and epiphyte levels: field observations and experimental studies
Title
Productivity and biomass of Thalassia testudinum as related to water column nutrient availability and epiphyte levels: field observations and experimental studies.
Creator
Tomasko, D. A., Lapointe, Brian E.
Date Issued
1991
PURL
http://purl.flvc.org/FCLA/DT/3350863
Subject Headings
Seagrasses, Seagrasses --Ecology, Seagrasses --Caribbean Area --Congresses, Seagrasses --Florida, Epiphytes
Format
Document (PDF)
Seagrass growth and survivorship under the influence of epiphyte grazers
Title
Seagrass growth and survivorship under the influence of epiphyte grazers.
Creator
Howard, Robert K., Short, F. T., Harbor Branch Oceanographic Institute
Date Issued
1986
PURL
http://purl.flvc.org/FCLA/DT/3353772
Subject Headings
Seagrasses--Florida--Indian River (Lagoon), Epiphytes, Grazing, Growth, Seagrasses, Survival
Format
Document (PDF)
Epiphyte productivity and community structure in conjunction with HPLC pigment analysis
Title
Epiphyte productivity and community structure in conjunction with HPLC pigment analysis.
Creator
Singh, Alya G., Florida Atlantic University, Louda, J. William
Abstract/Description
Seagrass meadows in Florida Bay have rapidly declined due to synergistic stresses. The microalgal communities present on the leaves of Thalssia testudinum were studied in the Snake Bight and Whipray Basin areas of Florida Bay. These areas have been the sites of recurrent phytoplankton blooms and this study was aimed at exploring similar effects within the microalgal epiphytic communities. Epiphytometers, or surrogate seagrass, were used to provide a time zero (T0) point which is impossible in...
Show moreSeagrass meadows in Florida Bay have rapidly declined due to synergistic stresses. The microalgal communities present on the leaves of Thalssia testudinum were studied in the Snake Bight and Whipray Basin areas of Florida Bay. These areas have been the sites of recurrent phytoplankton blooms and this study was aimed at exploring similar effects within the microalgal epiphytic communities. Epiphytometers, or surrogate seagrass, were used to provide a time zero (T0) point which is impossible in natural samples. Epiphyte samples were analyzed using HPLC/PDA which provided measurements of standing crop and community structure (>90% diatom). Epiphytometers were found to be excellent tool for monitoring epiphyte productivity on Thalassia. The monitoring of productivity, standing crop and community structure should allow insight into positive and negative effects of water supply changes.
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Date Issued
2003
PURL
http://purl.flvc.org/fcla/dt/13066
Subject Headings
Epiphytes, High performance liquid chromatography, Seagrasses--Florida--Florida Bay, Thalassia--Florida--Florida Bay
Format
Document (PDF)