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Dissertations / Theses on the topic 'Coral Castle of Florida'

Author: Grafiati

Published: 27 July 2024

Last updated: 31 July 2025

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1

Sathe, Melissa P. "Factors Influencing Southeast Florida Coral Reef Community Composition." NSUWorks, 2008. http://nsuworks.nova.edu/occ_stuetd/241.

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This study analyzed data collected during the Broward County beach renourishment project yearly monitoring site visits. Twenty four sample sites throughout the county were established to monitor the coral reef community during beach renourishment efforts sponsored by Broward County and the Florida Department of Environmental Protection. Data collected during each site visit included stony coral cover, density, and colony size. Octocoral and sponge density were also collected. A sediment bottle trap was deployed at each site in order to record the sedimentation rates and grain sizes. These trap

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2

Swanson, Dione W. "Spatial Dynamics of Coral Populations in the Florida Keys." Scholarly Repository, 2011. http://scholarlyrepository.miami.edu/oa_dissertations/626.

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Coral reef degradation has been observed worldwide over the past few decades resulting in significant decreases in coral cover and abundance. However, there has not been a clear framework established to address the crucial need for more sophisticated understanding of the fundamental ecology of corals and their response to environmental stressors. Development of a quantitative approach to coral population ecology that utilizes formal, well established principles of fishery systems science offers a new framework to address these issues. The goal of this dissertation is to establish a quantita

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3

Overton, Keith B. "Salt Water Intrusion in Cape Coral, Florida 1980-1999." NSUWorks, 2000. http://nsuworks.nova.edu/occ_stuetd/311.

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The purpose of this study was to determine the change in water surface elevation and chloride concentration in the surficial, Mid Hawthorn, and Lower Hawthorn aquifers in the Cape Coral peninsula between 1980 and 1999. Seawater intrusion is a major concern in the Cape Coral area because the city is surrounded by open bodies of saline or brackish waters: Matlacha Pass to the west, San Carlos Bay to the south and Caloosahatchee River to the east. Prior to 1980, the principal groundwater withdrawals were from the Mid Hawthorn aquifer, with some smaller withdrawals from the surficial and Lower Haw

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4

Stein, Jennifer. "Juvenile Scleractinian Coral Density, Composition, and Influence on the Adult Coral Population in Southeast Florida." NSUWorks, 2012. http://nsuworks.nova.edu/occ_stuetd/173.

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The purpose of this study was to collect baseline data of juvenile scleractinian coral density, spatial variability, size variability, and species composition across the linear shore parallel hard bottom coral communities offshore Broward County, Florida. Adult coral population data was also collected and compared with that of the juvenile coral population to better understand the local coral demographics and potential factors that influence the population structure. The juvenile and adult coral data from the Broward County coral communities was then compared to a second study region 50 kilome

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5

Pirkle, Michelle S. (Michelle Serpas). "Environmental Correlates to Genetic Variation in the Coral Reef Fish, Thalassoma bifasciatum." Thesis, University of North Texas, 1988. https://digital.library.unt.edu/ark:/67531/metadc500561/.

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Genetic variation was examined in bluehead wrasse, Thalassoma bifasciatum, populations along the Florida Keys. Interpretion of mean heterozygosity (H), percent polymorphic loci per population (P), genetic similarity, and F and G statistics demonstrated a clear division of wrasse populations into "northern" and "southern" groups. Correlation and cluster analyses indicated the six reefs can be grouped in a similar fashion based on genetic and environmental data. The conclusion from this analysis of wrasse populations in the Florida Keys is that substantial population subdivision occurs in respon

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6

Robitaille, Theresa Elizabeth. "Long-Term Stony Coral Transplantation Success Offshore Southeast, Florida, USA." NSUWorks, 2014. http://nsuworks.nova.edu/occ_stuetd/16.

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Transplanted coral (Order: Scleractinia) colony condition was surveyed at five injury event sites, two coral nurseries, and one impact minimization location off the coast of Broward County, Florida, USA in 2012. Because stony corals are long-lived and slow growing, generally growing less than one centimeter in diameter per year, determining transplantation success requires long-term (greater than two years) monitoring. Long-term monitoring efforts, however, are rarely completed. This study is unique in that it examined stony coral transplantation success of several projects over a time period

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7

Southwell, Melissa W. Martens Christopher S. "Sponges impacts on coral reef nitrogen cycling, Key Largo, Florida." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,756.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Dec. 18, 2007). "... in partial fulfillment of the requirements for the degree Doctor of Philosophy in the Department of Marine Sciences." Discipline: Marine Sciences; Department/School: Marine Sciences.

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8

Soto, Inia M. "Environmental variability in the Florida Keys : impacts on coral reef health." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001780.

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9

Jones, Nicholas P. "Spatiotemporal Change in the Benthic Community of Southeast Florida." Thesis, NSUWorks, 2018. https://nsuworks.nova.edu/occ_stuetd/481.

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High-latitude reefs have been postulated as refugia, centers for resilience or the first areas to undergo re-organization under climate change. The Southeast Florida Reef Tract (SEFRT) is a high-latitude reef system (>25 °N) running parallel to the highly urbanized coastline of southeast Florida. With a benthic community comprised of a mixture of coral reef associated assemblages, the SEFRT is towards the northern limit of stony coral cover due to temperature constraints. This study analyzed spatial variations in benthic cover, spatiotemporal changes in the benthic community and the impact of

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10

Lamb-Wozniak, Kathryn Amanda. "Nitrogen Cycling on Coral Reefs: A Stable Isotopic Investigation of Nutrient Dynamics within the Florida Keys Coral Reef Tract." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/23.

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This dissertation serves as a comprehensive, natural-abundance analysis of the present-day spatial and temporal dynamics and trophic linkages of nitrogen from within the Florida Keys National Marine Sanctuary (FKNMS). This work was accomplished by documenting the delta 15 N of particulate organic matter (POM), several genera of aquatic vegetation and herbivorous fish, as well as dissolved water column nitrogen. Seasonal and spatial variations in delta 15 N were assessed, trophic level variations among reef constituents were quantified, and relative contributions of both natural and anthropogen

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11

Halperin, Ari. "Distribution, Growth, and Impact of the Coral-Excavating Sponge, Cliona delitrix, on the Stony Coral Communities Offshore Southeast Florida." NSUWorks, 2014. http://nsuworks.nova.edu/occ_stuetd/26.

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Bioerosion is a major process that affects the carbonate balance on coral reefs, and excavating sponges from the genus Cliona are some of the most important bioeroders on Caribbean reefs. The orange boring sponge, Cliona delitrix, is an abundant excavating sponge offshore southeast Florida that frequently colonizes dead portions of live stony corals, killing live coral tissue as it grows. With the recent decline in coral cover attributed to combined environmental and anthropogenic stressors, the increasing abundance of excavating sponges poses yet another threat to the persistence of Caribbean

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12

Stathakopoulos, Anastasios. "Extraction and Analysis of Coral Reef Core Samples from Broward County, Florida." NSUWorks, 2009. http://nsuworks.nova.edu/occ_stuetd/225.

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The reefs off Broward County exist as three shore-parallel, sequentially deeper terraces named the "inner", "middle", and "outer" reefs and also a shallower, nearshore ridge complex. These structures span the continental coast of southeast Florida from Palm Beach County to southern Miami-Dade County and were characterized as relict, early Holocene shelf-edge and mid-shelf reefs along with limestone ridges. Presently, the reefs are colonized by a fauna characteristic of West Atlantic/Caribbean reef systems. Scleractinian coral cover is low except for a few dense patches of Acropora cervicornis,

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13

Ferro, Fleur M. "Spatial Variability of the Coral Reef Fish Assemblages Offshore Broward County, Florida." NSUWorks, 2003. http://nsuworks.nova.edu/occ_stuetd/298.

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The inshore environment of Broward County, Florida consists of three coral reef/hard bottom reef tracts, separated by sand substrate, running parallel to the coast in sequentially deeper water. My study was an extensive inventory of the fishes associated with these reef tracts. At quarter nautical mile intervals, for an eighteen nautical-mile coastline section, fishes were censused at western, eastern edges and crests of each of the three reef tracts. On SCUBA, using the Bohnsack-Bannerot point count method, fish abundance, species richness, sizes (TL), and general habitat characteristics were

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14

Negandhi, Karita L. "Microbial Communities with Emphasis on Coral Disease-Associated Bacteria within Florida Reef Sponges." NSUWorks, 2009. http://nsuworks.nova.edu/occ_stuetd/109.

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Previous studies have shown that bacteria associated with coral diseases are not found in the surrounding water column at detectable levels, yet at the same time, coral diseases are becoming more prominent. Sponges are coral reef residents, which expel filtered seawater that is practically sterile of microbes. Therefore sponges harbor very diverse and abundant microbial communities. This leads to the possibility that coral disease associated bacteria (CDAB) may be present within reef sponge microcosms. In order to identify internal microbes, nonculturable techniques including fluorescent in si

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15

Savaro, Jennifer. "Connectivity of Reef Fishes Between Mangroves and Coral Reefs in Broward County, Florida." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/378.

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Many marine fishes use the mangrove ecosystem for foraging, protection, spawning, and as a nursery habitat. To develop a better understanding of energy flow between the coastal mangrove and coral reef ecosystems, the ontogentic migration and trophic connectivity of reef fishes were examined through the use of carbon (C), nitrogen (N), and oxygen (O) stable isotope ratios. Juvenile and adult gray snapper Lutjanus griseus, lane snapper L. synagris, bluestriped grunt Haemulon sciurus, French grunt H. flavolineatum, sailor’s choice H. parra, yellowfin mojarra Gerres cinereus, and great barracuda S

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16

Harper, Leah M. "Variation in Coral Recruitment and Juvenile Distribution Along the Southeast Florida Reef Tract." Thesis, NSUWorks, 2017. https://nsuworks.nova.edu/occ_stuetd/458.

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Coral recruitment in Southeast Florida is being outpaced by mortality, resulting in population declines in many species. Identifying the coral species most likely to recruit and survive on Southeast Florida reefs and evaluating spatial variation in recruitment and survivorship is crucial for managing decreasing coral populations. This study focuses on 12 sites in Broward and Miami-Dade counties that have served as long-term stations for monitoring adult coral cover and demographics. At each site, thirty-two 225cm2 grooved terracotta settlement tiles were attached to the substrate in winter of

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17

Hayes, Nicole K. "A characterization of a Southeast Florida stony coral assemblage after a disease event." Thesis, NSUWorks, 2019. https://nsuworks.nova.edu/occ_stuetd/512.

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Coral reefs have declined globally due to anthropogenic stressors increasing the frequency and severity of bleaching and disease events. In 2014, a stony coral tissue loss disease (SCTLD) outbreak occurred off the coast of southeast Florida and subsequently spread throughout the region. Data collected by the Southeast Florida Reef Evaluation and Monitoring Project (SECREMP) were used to examine the regional impacts of the disease event on the Southeast Florida stony coral assemblage. A long-term annual monitoring project, SECREMP samples permanent sites along the Southeast Florida Reef Tract (

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18

Klink, Lindsey Habakuk. "Review of International Coral Reef Mooring Programs and the Effect of Mooring Use on Coral Reefs Offshore Broward County, Florida, USA." NSUWorks, 2007. http://nsuworks.nova.edu/occ_stuetd/262.

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Coral reef communities are currently threatened by a variety of stressors. One direct and visible impact is physical damage from anthropogenic sources such as vessel anchors, recreational SCUBA divers, snorkelers, and debris. To lesson the impact of anchors on reefs, many coastal nations around the world have installed public mooring systems for use by small commercial and recreational vessel (typically less than 15 m in length). This thesis reviews current international mooring programs and assesses the impact of mooring use on reefs offshore Broward County, FL. Details of existing mooring pr

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19

Kabay, Lystina. "Population Demographics and Sexual Reproduction Potential of the Pillar Coral, Dendrogyra cylindrus, on the Florida Reef Tract." NSUWorks, 2016. http://nsuworks.nova.edu/occ_stuetd/433.

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The pillar coral, Dendrogyra cylindrus, has been commonly described as widely distributed, but rare throughout its geographical range in the Caribbean. Having recently been listed as Threatened under the US Endangered Species Act, an understanding of population status is needed to promote species conservation and population recovery. Previous to this study the status of the pillar coral population in the state waters of Florida, U.S.A, was relatively unknown primarily due to few colonies being recorded and no comprehensive summary of population abundance, distribution or health being completed

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20

Brandt, Marilyn Elizabeth. "Coral Disease Epizootiology in the Florida Keys (U.S.A.) and Cayman Islands (British West Indies), and the Development of the Simulation of Infected Corals Model." Scholarly Repository, 2007. http://scholarlyrepository.miami.edu/oa_dissertations/57.

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Understanding coral disease dynamics within the heterogeneous populations in which they act is critical for predicting how the structure of reefs may change as a result of enzootic or epizootic levels of these important sources of mortality. This work focused on combining field studies and the development and testing of a spatially-explicit, individual-based epizootiological computer model with the aim of gaining a greater understanding of the dynamics and impact of white plague, a significant source of mortality on reef-building corals in the Caribbean region. Field studies focused on the inc

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21

Brooke, Sandra Dawn. "Reproductive ecology of a deep-water scleractinian coral, Oculina Vericosa from the South East Florida shelf." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249955.

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22

Goldenberg, Ellen Dignon. "Outplanted Acropora cervicornis enhances the fish assemblages of Southeast Florida." Thesis, NSUWorks, 2019. https://nsuworks.nova.edu/occ_stuetd/507.

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Acropora cervicornis, commonly known as the staghorn coral has historically been a major contributor to reef structural complexity, providing habitat for many functionally important fish species throughout Florida and the Caribbean. Unfortunately, due to disease, bleaching, and local anthropogenic stressors, A. cervicornis populations have suffered drastic declines that have negatively impacted associated reef fish populations. In order to promote recovery, A. cervicornis fragments can be cultivated in nurseries and outplanted back onto reefs. This practice can effectively increase A. cervicor

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23

Huebert, Klaus B. "Behavior and Transport of Pelagic Coral Reef Fish Larvae in the Straits of Florida." Scholarly Repository, 2009. http://scholarlyrepository.miami.edu/oa_dissertations/266.

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The supply of coral reef fish larvae from the open ocean to reefs is vital for the persistence of local fish populations. Whether larvae are dispersed over hundreds of km or only few km depends on biophysical interactions between larvae and their environment. Relationships between environmental variables, larval swimming behavior, and larval transport were examined for reef fish larvae in the Florida Straits. In a series of research cruises, the upper 100 m of the water column was sampled with plankton nets fishing at four different depths. Variability in the vertical distributions of most lar

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24

Anderson, Kelley L. "Can waters around Durney Key, Pasco County, Florida, support coral recruitment to artificial substrates?" [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002635.

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25

Davis, Katie S. "Use of a Towed Camera System along the west Florida shelf: A Case Study of the Florida Middle Grounds Benthic Marine Communities." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7494.

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As technologies advance the study of ocean dynamics, new approaches to vexing problems of scale and process are becoming more widely available. Originally conceived as a tool primarily for indexing the abundance of near-bottom fishes, the Camera-based Assessment and Survey System (C-BASS) may also be an effective tool for monitoring benthic invertebrate resources vulnerable to natural and anthropogenic perturbations, and for characterizing the composition of benthic communities to inform spatial management. Using still images derived from the C-BASS video of benthic transects within the Florid

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Johnson, Meaghan. "Staghorn Coral, Acropora cervicornis, Restoration in South Florida: Growth and Survivorship of Outplanted Nursery Corals." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/384.

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This thesis provides a detailed analysis of the growth and survivorship of outplanted Acropora cervicornis corals from underwater nurseries within three regions of the Florida Reef Tract. Substantial loss of stony coral cover on Florida’s coral reefs, including the branching staghorn coral, Acropora cervicornis, has occurred for decades due to disturbances such as disease, temperature induced bleaching, hurricanes, sedimentation, and pollution. This rapid population decline contributed to A. cervicornis being listed as a threatened species under the U.S. Endangered Species Act in May 2006. To

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Vega-Rodriguez, María. "Influence of Water Quality on Stony Coral Diversity and Net Community Productivity in the Florida Keys." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6598.

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Worldwide, coral cover has declined at rates that have often exceeded 5% per year since the 1980’s. Populations of scleractinians (stony corals) in the Florida Keys reef tract have declined as well, with some communities declining at rates > 3% per year. Decreased water quality (e.g., steady increases in the ocean water temperatures and increased pollution, nutrients, or water turbidity due to coastal runoff) are commonly attributed to this decline. But actual linkages between variability and trends in these environmental parameters, and in stony coral diversity and ecosystem functions such as

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Jones, David Lee. "Distributional Ecology of Coral Reef Fish Larvae (Labridae, Scaridae) in the Southern Straits of Florida." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/28.

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This study targets the poorly described egg and larval stages of wrasses and parrotfishes that as adults inhabit coral reefs and seagrasses in the western central Atlantic. Descriptions are provided to allow laboratory identification of the egg and larval stages of these fishes. Accounts are given for 16 of the 20 species of labrid and six of the 14 species of scarids that occur here. The biological, hydrographic, and meteorological data from four oceanographic surveys of the southern Straits of Florida were analyzed to provide a synthesis of the effects of the environment on the distribution

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Hoke, S. Michael. "Gametogenesis and spawning of the elliptical star coral, Dichocoenia stokesi (Cnidaria: Scleractinia) in Southeast Florida." NSUWorks, 2007. http://nsuworks.nova.edu/occ_stuetd/263.

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Reproductive characters of the elliptical star coral Dichocoenia stokesi (Cnidaria: Scleractinia) were investigated based in histological examination of tissues collected in southeastern Florida between September 1999 and September 2000. The study population was predominantly gonochoric with a small incidence of hermaphroditism. Dichocoenia stokesi exhibits intermediate egg size (312.2 ± 40.4μm; mean ± SD) compared with other scleractinian species, suggesting a moderately lecithotrophic larval stage. Although spawning was not directly observed in this study, two separate spawning events per ye

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Anderegg, Daniel. "Barium and Carbon and Oxygen Isotope Chronologies from Two Southeast Florida Coral Species- Environmental Implications." NSUWorks, 1998. http://nsuworks.nova.edu/occ_stuetd/333.

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The objectives of the study were to attempt to differentiate among potential sources of nutrients contributing to past algae blooms occurring off the coast of northern Broward and Palm Beach Counties in Florida. To accomplish this, hermatypic reef-building corals were collected from different depths and latitudes over an area extending from the southern part of Broward County to the southern portion of Palm Beach County. The CaC03 skeletons of these corals were X-rayed and then sampled using their internal annual density growth increments as chronological guides. The trace element barium and t

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Botero, Maria Antónia. "Densifying the suburbs : a single-family home alternative for tropical living in Coral Gables, Florida." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/72929.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Architecture, 2012.<br>Odd numbered pages are numbered only. Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>This design project was an experimental case study to establish a viable, reduced-size typological alternative for single-family housing as a potential vehicle for the densification of the urban suburbs. Through demographic and census data, the need for this kind of densification was first established and then a design project was formulated using site-specific parameters and industry project

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Strand, Sarah Elise. "Stable Isotope Biogeochemistry of South Florida Coastal Marine Ecosystems." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1737.

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Southeast Florida’s continual urban expansion will potentially increase anthropogenic pollution in adjacent coastal marine systems. Furthermore, increased nutrient loads could have detrimental effects on the already threatened Florida Reef Tract. The present study uses a stable isotopic approach to determine the sources and the impact of nutrients on the Florida Reef Tract. δ13C and δ15N analysis of macroalgae, sponges, and sediment were analyzed in order to determine nutrient inputs in this region. While δ13C data did not display any significant trends spatially, δ15N values of the majority o

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Ware, Matthew. "Assessment of Nursery-Raised Acropora cervicornis Transplants in the Upper Florida Keys." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/380.

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Over the last 40 years, the Caribbean has lost half of its live coral cover, mostly in the form of Acropora cervicornis and A. palmata, due to disease, bleaching from rising water temperatures, and other stressors. To help restore these corals to reefs in Florida, the Coral Restoration Foundation (CRF) created nearshore nurseries and transplanted over 30,000 acroporid colonies across the Florida Keys. The objective of this thesis was to evaluate the growth, survivorship, and condition of nursery-raised A. cervicornis colonies that were part of two transplant projects: 1) photographic analyses

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34

Simoes, Correa Thiago Barreto. "Environmental Controls on Cold-Water Coral Mound Distribution, Morphology, and Development in the Straits of Florida." Scholarly Repository, 2012. http://scholarlyrepository.miami.edu/oa_dissertations/716.

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Scleractinian cold-water corals are widely distributed in seaways and basins of the North Atlantic Ocean, including the Straits of Florida. These corals can form extensive biogenic mounds, which are biodiversity hotspots in the deep ocean. The processes that lead to the genesis of such cold-water coral mounds and control their distribution and morphology are poorly understood. This work uses an innovative mapping approach that combines 130 km2 of high resolution geophysical and oceanographic data collected using an Autonomous Underwater Vehicle (AUV) from five cold-water coral habitats in the

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Jordan, Lance K. B. "Multi-Experimental Examination of Haemulon Species (Haemulidae) Early-Life Ecology on Southeast Mainland Florida Coral Reefs." NSUWorks, 2010. http://nsuworks.nova.edu/occ_stuetd/83.

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Grunts (Haemulidae: Percoidei) represent one of the most abundant and speciose families on western North Atlantic coral reefs including 15 diverse species from the genus Haemulon. For this dissertation focusing on Haemulon, three studies were conducted to examine 1) spatio-temporal distributions of early-life stage (newly settled and early juvenile) individuals throughout the southeast mainland Florida reefscape, 2) species-specific, depth-variable distributional patterns of newly settled individuals and the potential influence of predation on the observed patterns, and 3) the effects of buryi

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Dodge, Danielle. "Population Structure and Gene Expression of the Coral Montastraea cavernosa in the Northern Florida Reef Tract." Thesis, Florida Atlantic University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10682376.

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<p> Coral reefs on Florida’s Reef Tract (FRT) are susceptible to many anthropogenic influences including controlled freshwater discharges and agricultural runoff as well as high natural environmental variability from seasonal rainfall, runoff and upwelling. To better understand coral population structure and responses to sublethal stressors, populations of the scleractinian coral <i> Montastraea cavernosa</i> in the northern FRT were examined using a combination of genomic and transcriptomic techniques. Microsatellite genetic markers identified high local retention among sites and a slig

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Schaneen, Heather L. "Coral Persistence to Ocean Warming via Developmental Acclimation." NSUWorks, 2016. http://nsuworks.nova.edu/occ_stuetd/420.

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Scleractinian corals are the ‘engineers’ of tropical coral reef ecosystems. Their three-dimensional structure provides habitat for thousands of fish and invertebrate species. The persistence of corals is threatened by climate change. In this study I investigated if corals may be able to increase tolerance to ocean warming through developmental acclimation, i.e. if corals that experience warmer temperatures during embryonic and larval development are better able to cope with higher temperatures later in life. Larvae of the broadcast spawning coral Montastraea cavernosa were raised at ambient (2

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Williams, Ryann A. "Comparing reef bioindicators on benthic environments off southeast Florida." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003191.

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Peach, Katherine E. "Population Dynamics and Predictions for the Calcareous Green Algae, Halimeda, on the Coral Reefs of South Florida." NSUWorks, 2009. http://nsuworks.nova.edu/occ_stuetd/229.

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Halimeda (Chlorophyta, Bryopsidales) (Lamouroux 1812) is a genus of calcareous green algae that has become abundant on coral reefs of the tropics and subtropics. Though they serve biologically and geologically important roles in these ecosystems, their presence may be an indicator of declining environmental conditions. This study focused on a population of Halimeda in the shallow coastal waters of Tavernier, Florida. Three species were encountered: Halimeda discoidea, Halimeda opuntia, and Halimeda incrassata; Halimeda discoidea was the most abundant. The study was conducted in two parts. Part

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Fisher, Elizabeth M. "Assessing the health of coral reef ecosystems in the Florida Keys at community, individual and cellular scales." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0001972.

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Fisher, Elizabeth. "Assessing the Health of Coral Reef Ecosystems in the Florida Keys at Community, Individual, and Cellular Scales." Scholar Commons, 2007. https://scholarcommons.usf.edu/etd/705.

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Coral reefs are threatened in Florida and worldwide. Successful resource management requires rapid identification of anthropogenic sources of stress before they affect the reef community. I tested a multi-scale approach for assessing reef condition at seven reefs within the Florida Keys National Marine Sanctuary and Biscayne National Park between 2001 and 2003. I examined multiple environmental parameters to identify potential sources of stress. I utilized the Atlantic and Gulf Rapid Reef Assessment Biotic Reef Index to assess benthic community structure and an indicator species of Foraminifer

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Harper, James Wilkinson. "Stakeholder Perceptions and Preferences for Coral Reef Restoration and Sustainable Resource Management." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1486.

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The Florida Reef and associated human community form a unique socio-ecological system. While this system represents great value to society, it is exposed to high levels of vulnerability. Despite intense study of its elements, the system lacks conceptual integrity, its management is fragmented, and user valuation remains unclear. A survey using contingent valuation methods investigated stakeholders' attitudes and how much they are willing to pay for sustainable seafood, coral reef restoration, and research funding for coral reefs in southeastern Florida. Respondents expressed angst about climat

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Callahan, Michael K. "Distribution of clionid sponges in the Florida Keys National Marine Sanctuary (FKNMS), 2001-2003." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001017.

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Hocevar, John D. "A Survey of the Stony Coral Community Composition of Pompano Ledge, Broward County, Florida, with a Preliminary Evaluation of the Effectiveness of Mooring Buoys in Reducing Coral Damage." NSUWorks, 1993. http://nsuworks.nova.edu/occ_stuetd/353.

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Stony corals of Pompano Ledge, First Reef, Broward County, Florida were sampled in situ using a new reef assessment method. The circular-radial method was used to assess the effectiveness of mooring buoys in reducing damage to reefs. Data will be part of a long-term monitoring study of·buoy impacts. The parameter of recent injury was used to provide preliminary information on buoy effectiveness. Results were as follows: approximately 6% of the study area was covered by stony corals, with an average of 3 colonies per square meter. Diversity based on abundance (H'n) was 1 .7, and diversity based

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Barnes, Brian Burnel. "The Combined Effects of Light and Temperature on Coral Bleaching: A Case Study of the Florida Reef Tract Using Satellite Data." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4863.

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Coral reefs are greatly impacted by the physical characteristics of the water surrounding them. Incidence and severity of mass coral bleaching and mortality events are increasing worldwide due primarily to increased water temperature, but also in response to other stressors. This decline in reef health demands clearer understanding of the compounding effects of multiple stressors, as well as widespread assessment of coral reef health in near-real time. Satellites offer a means by which some of the physical stressors on coral reefs can be measured. The synoptic spatial coverage and high repe

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Wallace, Amy. "Dynamics of Stony Coral Assemblages on Patch Reefs of the Upper Florida Reef Tract, Including Biscayne National Park." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3400.

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The patch reefs located in Biscayne National Park (BNP) are some of the most northern reefs of the Florida reef system. The focus of my study is seven patch reefs that were first surveyed annually between 1977 and 1981, revealing 8% - 28% cover by scleractinian corals. An assessment of BNP patch reefs completed in 2000 reported that coral cover had decreased to approximately 0.4% - 10%. The once dominant species in the Florida reef tract, Acropora palmata and A. cervicornis, have rapidly declined over time and were not found in any transects during the 2000 survey. This study is a re-assess

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Bartlett, Lucy. "Dynamics and Survival of Coral and Octocoral Juveniles following Disturbance on Patch Reefs of the Florida Reef Tract." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5342.

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Over the past several decades, rapid decline in adult stony-coral (comprising the Orders Scleractinia and Anthomedusae, specifically Family Milleporidae) cover has occurred concurrent with an increase in adult octocoral (Octocorallia/gorgonian) cover along the Florida Reef Tract. In January 2010, the Florida Keys experienced extremely cold air and water temperatures, below the lethal threshold for many reef organisms including corals. Very high stony-coral mortality occurred on some patch reefs. The newly-available space created by this disturbance event provided the opportunity for recruitmen

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King, Samantha. "Optimizing restoration site selection along the Florida Reef Tract for the coral species Acropora cervicornis and Acropora palmata." Thesis, NSUWorks, 2019. https://nsuworks.nova.edu/occ_stuetd/508.

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The decline of Acropora cervicornis and Acropora palmata populations and consequent listing as endangered species has prompted the need for restoration. Since financial resources are limited, optimal sites for restoration should not only be environmentally suitable for outplant survival, but also have a greater capacity to replenish surrounding reefs with larvae. However, in Florida coral larval dispersal patterns and reef connectivity remain poorly studied. Here, we measured long term larval survival and competency of A. cervicornis to calibrate a high resolution (100m) biophysical larval dis

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Smith, Abraham Jeffrey. "Tissue Loss Syndromes in Acropora cervicornis off Broward County, Florida: Transmissibility, Rates of Skeletal Extension and Tissue Loss." NSUWorks, 2013. http://nsuworks.nova.edu/occ_stuetd/154.

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The high latitude thickets of Acropora cervicornis off Broward County flourish despite the presence of natural and anthropogenic impacts. These populations provided a unique study area in contrast to disease-stricken populations of the Florida Keys. This study used time-sequenced photographs to examine how A. cervicornis was affected by tissue loss attributed to white-band disease during 2007–2008. Variables monitored included healthy colony skeletal extension rates, diseased colony skeletal extension rates, and tissue loss. The transmissibility of the three white-band syndromes found in the S

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Yñiguez, Aletta Tiangco. "Spatial Dynamics in the Growth and Spread of Halimeda and Dictyota in Florida reefs: A Simulation Modeling Approach." Scholarly Repository, 2007. http://scholarlyrepository.miami.edu/oa_dissertations/62.

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Macroalgae are an important part of the coral reef ecosystem that has largely been overlooked. However, in the past few decades their abundances have increased and this has been attributed to combinations of coral mortality opening up space in the reef, decreased grazing and increased nutrient load in reefs. This dissertation illustrates a novel means of investigating the effect of various growth and disturbance factors on the dynamics of macroalgae at three different levels (individual, population and 3-species community). Macroalgae are modular and clonal organisms that have differing morpho

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