Search Results - "Florence I. M. Thomas"

Patterns in temporal variability of temperature, oxygen and pH along an environmental gradient in a coral reef by Guadayol, Òscar, Silbiger, Nyssa J, Donahue, Megan J, Thomas, Florence I M

“…Spatial and temporal environmental variability are important drivers of ecological processes at all scales. As new tools allow the in situ exploration of…”
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effects of submerged aquatic vegetation on the persistence of environmental populations of Enterococcus spp by Badgley, Brian D, Thomas, Florence I.M, Harwood, Valerie J

“…Enterococcus spp. are utilized worldwide as faecal indicator bacteria, but certain strains exhibit extended survival in environmental habitats and the factors…”
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A Novel μCT Analysis Reveals Different Responses of Bioerosion and Secondary Accretion to Environmental Variability by Silbiger, Nyssa J, Guadayol, Òscar, Thomas, Florence I M, Donahue, Megan J

“…Corals build reefs through accretion of calcium carbonate (CaCO3) skeletons, but net reef growth also depends on bioerosion by grazers and borers and on…”
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Diversity of Assimilatory Nitrate Reductase Genes From Plankton and Epiphytes Associated with a Seagrass Bed by Adhitya, Anita, Thomas, Florence I. M, Ward, Bess B

“…Assimilatory nitrate reductase gene fragments were isolated from epiphytes and plankton associated with seagrass blades collected from Tampa Bay, Florida, USA…”
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Quantifying environmental reservoirs of fecal indicator bacteria associated with sediment and submerged aquatic vegetation by Badgley, Brian D., Thomas, Florence I. M., Harwood, Valerie J.

“…Summary Elevated concentrations of fecal indicator bacteria (FIB) in aquatic sediments and vegetation have prompted concern that environmental reservoirs of…”
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Assessment of sperm chemokinesis with exposure to jelly coats of sea urchin eggs and resact: a microfluidic experiment and numerical study by Inamdar, Munish V, Kim, Taeyong, Chung, Yao-Kuang, Was, Alex M, Xiang, Xinran, Wang, Chia-Wei, Takayama, Shuichi, Lastoskie, Christian M, Thomas, Florence I M, Sastry, Ann Marie

“…Specific peptides contained within the extracellular layer, or jelly coat, of a sea urchin egg have been hypothesized to play an important role in…”
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The attenuation of current- and wave-driven flow within submerged multispecific vegetative canopies by Weitzman, Joel S., Zeller, Robert B., Thomas, Florence I. M., Koseff, Jeffrey R.

“…Historically, submerged vegetative canopies have either been reported as or modeled after unispecific examples—communities comprised of only a single…”
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Fertilization in a sea urchin is not only a water column process: effects of water flow on fertilization near a spawing female by Thomas, Florence I. M., Kregting, Louise T., Badgley, Brian D., Donahue, Megan J., Yund, Philip O.

“…Fertilization efficiency in free-spawning invertebrates in the marine environment depends on the complex interaction between biological and physical factors…”
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Effects of oscillatory flow on fertilization in the green sea urchin Strongylocentrotus droebachiensis by Kregting, Louise T, Bass, Anna L, Guadayol, Òscar, Yund, Philip O, Thomas, Florence I M

“…Broadcast spawning invertebrates that live in shallow, high-energy coastal habitats are subjected to oscillatory water motion that creates unsteady flow fields…”
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Effects of Water Velocity and Canopy Morphology on Ammonium Uptake by Seagrass Communities by Florence I. M. Thomas, Cornelisen, Christopher D., Zande, Jill M.

“…In the research presented here, we examine the effects of water velocity and canopy morphology on rates of nutrient uptake by seagrass communities. Ammonium…”
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Water flow enhances ammonium and nitrate uptake in a seagrass community by Cornelisen, Christopher D., Thomas, Florence I. M.

“…The impact of hydrodynamic regime on rates of nutrient uptake for a seagrass community and for individual components of the community (Thalassia testudinum,…”
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Reefs shift from net accretion to net erosion along a natural environmental gradient by Silbiger, Nyssa J., Guadayol, Òscar, Thomas, Florence I. M., Donahue, Megan J.

“…Coral reefs persist in an accretion-erosion balance and ocean acidification resulting from anthropogenic CO₂ emissions threatens to shift this balance in favor…”
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Ammonium Uptake by Seagrass Epiphytes: Isolation of the Effects of Water Velocity Using an Isotope Label by Cornelisen, Christopher D., Florence I. M. Thomas

“…In a series of flume experiments,15N-labeled ammonium was used to isolate the effects of water velocity on ammonium uptake by epiphytes from that of an…”
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Epifaunal community structure and ammonium uptake compared for the invasive algae, Gracilaria salicornia and Acanthophora specifera, and the native alga, Padina thivyi by Fukunaga, Atsuko, Peyton, Kimberly A., Thomas, Florence I.M.

“…Macroalgae play an important role in coastal ecosystems by taking up nutrients from the water column and providing habitats and food for epifauna. Invasion of…”
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Fluorescent dissolved organic matter as a multivariate biogeochemical tracer of submarine groundwater discharge in coral reef ecosystems by Nelson, Craig E., Donahue, Megan J., Dulaiova, Henrieta, Goldberg, Stuart J., La Valle, Florybeth F., Lubarsky, Katie, Miyano, Justin, Richardson, Christina, Silbiger, Nyssa J., Thomas, Florence I.M.

“…In Hawaiʻi and other Pacific high islands submarine groundwater discharge (SGD) can be a significant and continuous source of solutes to nearshore reefs and…”
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Relative Effects of Gamete Compatibility and Hydrodynamics on Fertilization in the Green Sea Urchin Strongylocentrotus droebachiensis by KREGTING, LOUISE T., THOMAS, FLORENCE I. M., BASS, ANNA L., YUND, PHILIP O.

“…Intraspecific variation in gamete compatibility among male/female pairs causes variation in the concentration of sperm required to achieve equivalent…”
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Maternal Energy Investment in Eggs and Jelly Coats Surrounding Eggs of the Echinoid Arbacia punctulata by Bolton, Toby F., Florence I. M. Thomas, Leonard, Celere N.

“…In free-spawning marine invertebrates, the amount of maternal energy that is invested in each egg has profound implications for all life-history stages of the…”
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Ammonium uptake by seagrass communities: effects of oscillatory versus unidirectional flow by Thomas, Florence I. M., Cornelisen, Christopher D.

“…Nutrient dynamics of aquatic communities are dependent on the flux of nutrients to organisms within the communities. Flux is dependent on water column…”
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Prediction and validation of flow-dependent uptake of ammonium over a seagrass-hardbottom community in Florida Bay by Cornelisen, Christopher D., Thomas, Florence I. M.

“…Hydrodynamic surveys and field flume experiments were carried out to characterize water flow and measure nutrient uptake over a shallow hardbottom flat…”
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Mechanical Resistance to Shear Stress: The Role of Echinoderm Egg Extracellular Layers by Florence I. M. Thomas, Edwards, Kristen A., Bolton, Toby F., Sewell, Mary A., Zande, Jill M.

“…Extracellular layers (jelly coats) on echinoderm eggs are composed of a fibrous network imbedded in a gelatinous material. This type of fibrous network has the…”
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