Life Sciences Commons^™

Petrocarbon Evolution: Ramped Pyrolysis/Oxidation And Isotopic Studies Of Contaminated Oil Sediments From The Deepwater Horizon Oil Spill In The Gulf Of Mexico, Kelsey L. Rogers, Samantha H. Bosman, Mary Lardie-Gaylord, Ann Mcnichol, Brad E. Rosenheim, Joseph P. Montoya, Jeffrey P. Chanton

C-IMAGE Publications

Hydrocarbons released during the Deepwater Horizon (DWH) oil spill weathered due to exposure to oxygen, light, and microbes. During weathering, the hydrocarbons’ reactivity and lability was altered, but it remained identifiable as “petrocarbon” due to its retention of the distinctive isotope signatures (¹⁴C and ¹³C) of petroleum. Relative to the initial estimates of the quantity of oil-residue deposited in Gulf sediments based on 2010–2011 data, the overall coverage and quantity of the fossil carbon on the seafloor has been attenuated. To analyze recovery of oil contaminated deep-sea sediments in the northern Gulf of Mexico we tracked the …

Evaluation Of Novel Hemocompatible Surface Coatings For Extracorporeal Life Support: A Biocompatible Alternative To Systemic Anticoagulation, Teryn Rose Roberts

USF Tampa Graduate Theses and Dissertations

Extracorporeal life support (ECLS) is a class of technologies used to support or replace the function of failing organs. During ECLS, blood is withdrawn from systemic circulation and circulated through an artificial organ or “treatment membrane” that performs the function of the failing organ, prior to return to systemic circulation. While ECLS provides life-saving therapy to wide patient populations from pre-term infants to combat-wounded soldiers, this therapy is limited due to secondary thrombotic and bleeding complications that result from: 1) exposure of blood to the foreign surfaces in the device circuit and 2) administration of anticoagulant drugs to prevent clot …

Cyanobacterial And Algal Abundance And Biomass In Cave Biofilms And Relation To Environmental And Biofilm Parameters, Slađana Popović, Nataša Nikolić, Jelena Jovanović, Dragana Predojević, Ivana Trbojević, Ljiljana Manić, Gordana Subakov Simić

International Journal of Speleology

Due to life in extreme environments, cyanobacteria and algae from cave biofilms that form at the entrances or deep inside the cave around artificial lights are of increasing interest to many scientists. It is well-known that many phototrophic microorganisms are first to colonize exposed substrata and produce the organic matter on which other biofilm constituents relly. Many studies dealing with phototrophic microorganisms from biofilms focus on the diversity and community composition of cyanobacteria and algae, while quantitative assessments are rarely implemented. Biofilm sampling was conducted in Degurić and Vernjikica Cave located in Western and Eastern Serbia, respectively. Ecological parameters (temperature, …

Short-Lived Radioisotope (Slrad) Data Collected Aboard R/V Justo Sierra Cruise Js-0815 In The Southern Gulf Of Mexico From 2015-07-31 To 2015-08-08, Gregg R. Brooks, Rebekka A. Larson

C-IMAGE data

This dataset contains short-lived radioisotope (SLRad) data collected aboard R/V Justo Sierra cruise JS-0815 in the southern Gulf of Mexico from 2015-07-31 to 2015-08-08. SLRad data were generated for selected core sub-samples at 2mm sampling intervals for “surficial unit” and 5mm sampling resolution intervals to the base of cores. SLRad data generated include sample activity as disintegrations per minute per gram (dpm/g) of 1) Excess Thorium-234 (234Thxs) activity, which is calculated by measuring the total Thorium-234 (234ThTot) activity and the subtraction of the measured or estimated “supported” Thorium-234 (234ThSup) activity, 2) Excess Lead-210 (210Pbxs) activity, which is calculated by measuring …

Fifty Years Of Cave Arthropod Sampling: Techniques And Best Practices, J. Judson Wynne, Francis G. Howarth, Stefan Sommer, Brett G. Dickson

International Journal of Speleology

Ever-increasing human pressures on cave biodiversity have amplified the need for systematic, repeatable, and intensive surveys of cave-dwelling arthropods to formulate evidence-based management decisions. We examined 110 papers (from 1967 to 2018) to: (i) understand how cave-dwelling invertebrates have been sampled; (ii) provide a summary of techniques most commonly applied and appropriateness of these techniques, and; (iii) make recommendations for sampling design improvement. Of the studies reviewed, over half (56) were biological inventories, 43 ecologically focused, seven were techniques papers, and four were conservation studies. Nearly one-half (48) of the papers applied systematic techniques. Few papers (24) provided enough information …

Anaerobic Degradation Of Hexadecane And Phenanthrene Coupled To Sulfate Reduction By Enriched Consortia From Northern Gulf Of Mexico Seafloor Sediment, Boryoung Shin, Minjae Kim, Karsten Zengler, Kuk-Jeong Chin, Will A. Overholt, Lisa M. Gieg, Konstantinos T. Konstantinidis, Joel E. Kostka

C-IMAGE Publications

To advance understanding of the fate of hydrocarbons released from the Deepwater Horizon oil spill and deposited in marine sediments, this study characterized the microbial populations capable of anaerobic hydrocarbon degradation coupled with sulfate reduction in non-seep sediments of the northern Gulf of Mexico. Anaerobic, sediment-free enrichment cultures were obtained with either hexadecane or phenanthrene as sole carbon source and sulfate as a terminal electron acceptor. Phylogenetic analysis revealed that enriched microbial populations differed by hydrocarbon substrate, with abundant SSU rRNA gene amplicon sequences from hexadecane cultures showing high sequence identity (up to 98%) to Desulfatibacillum alkenivorans (family Desulfobacteraceae), …

Improving Satellite Global Chlorophyll A Data Products Through Algorithm Refinement And Data Recovery, Chuanmin Hu, Lian Feng, Zhongping Lee, Bryan A. Franz, Sean W. Bailey, Jeremy Werdell, Christopher W. Proctor

Marine Science Faculty Publications

A recently developed algorithm to estimate surface ocean chlorophyll a concentrations (Chl in mg m⁻³), namely, the ocean color index (OCI) algorithm, has been adopted by the U.S. National Aeronautics and Space Administration to apply to all satellite ocean color sensors to produce global Chl maps. The algorithm is a hybrid between a band-difference color index algorithm for low-Chl waters and the traditional band-ratio algorithms (OCx) for higher-Chl waters. In this study, the OCI algorithm is revisited for its algorithm coefficients and for its algorithm transition between color index and OCx using a merged data set of high-performance …

Assessing Eukaryotic Biodiversity In The Florida Keys National Marine Sanctuary Through Environmental Dna Metabarcoding, Natalie Sawaya, Anni Djurhuus, Collin Closek, Megan Hepner, Emily Olesin, Lindsey Visser, Christopher Kelble, Katherine Hubbard, Mya Breitbart

Marine Science Faculty Publications

Environmental DNA (eDNA) is the DNA suspended in the environment (e.g., water column), which includes cells, gametes, and other material derived from but not limited to shedding of tissue, scales, mucus, and fecal matter. Amplifying and sequencing marker genes (i.e., metabarcoding) from eDNA can reveal the wide range of taxa present in an ecosystem through analysis of a single water sample. Metabarcoding of eDNA provides higher resolution data than visual surveys, aiding in assessments of ecosystem health. This study conducted eDNA metabarcoding of two molecular markers (cytochrome c oxidase I (COI) and 18S ribosomal RNA (rRNA) genes) to survey eukaryotic …

Assessing Seasonality And Density From Passive Acoustic Monitoring Of Signals Presumed To Be From Pygmy And Dwarf Sperm Whales In The Gulf Of Mexico, John A. Hildebrand, Kaitlin E. Fraiser, Simone Baumann-Pickering, Sean M. Wiggins, Karlina P. Merkens, Lance P. Garrison, Melissa S. Soldevilla, Mark A. Mcdonald

C-IMAGE Publications

Pygmy sperm whales (Kogia breviceps) and dwarf sperm whales (Kogia sima) are deep diving cetaceans that commonly strand along the coast of the southeast US, but that are difficult to study visually at sea because of their elusive behavior. Conventional visual surveys are thought to significantly underestimate the presence of Kogia and they have proven difficult to approach for tracking and tagging. An approach is presented for density estimation of signals presumed to be from Kogia spp. based on passive acoustic monitoring data collected at sites in the Gulf of Mexico (GOM) from the period following …

De Novo Assembly And Transcriptome Dataset Of Liver, Testis And Head Kidney From Red Drum (Sciaenops Ocellatus), Tracy A. Sherwood, Kevan L. Main, Dana L. Wetzel

C-IMAGE Publications

Red drum (Sciaenops ocellatus) is an estuarine Sciaenid with high commercial value and recreational demand. During the past 50 years, overfishing has caused declines in the population that resulted in the development of red drum commercial and stock enhancement aquaculture fisheries. Despite the potential high economic value in both wild and aquaculture commercial fisheries the availability of transcriptomic data for red drum in public databases is limited. The data here represents the transcriptome profiles of three tissues: liver, testis and head kidney from red drum. The data was generated using Illumina high-throughput RNA sequencing, Trinity for de novo …

Discovery Of A Novel Potexvirus In The Seagrass Thalassia Testudinum From Tampa Bay, Florida, Noémi Van Bogaert, Karyna Rosario, Bradley Furman, Margaret Hall, Anthony Greco, Mya Breitbart

Marine Science Faculty Publications

Seagrass meadows are important coastal ecosystems that are declining worldwide. Given the profound impact of the microbiome on plant health, exploration of the seagrass microbiome is critical for proper ecosystem management and conservation. Although prior studies have investigated seagrass‐associated bacteria, fungi, and protists, virtually nothing is known about viruses infecting these flowering marine plants. Here, we report genomic and microscopic evidence of a new positive‐sense, single‐stranded ribonucleic acid virus infecting apparently healthy Thalassia testudinum in Florida. The virus, named turtlegrass virus X (TVX), shares 66% genome‐wide pairwise identity with foxtail mosaic virus, a potexvirus that infects terrestrial grasses. Quantitative polymerase …

Fecundity Assessment Of Stone Crabs In The Eastern Gulf Of Mexico, Claire E. Crowley, Colin P. Shea, Ryan L. Gandy, Kendra L. Daly

Marine Science Faculty Publications

Accurate estimates of reproductive potential are a key component of any stock assessment. Multiple factors influencing the variability in batch fecundity of stone crabs Menippe spp. across the Florida fishery were quantified with a negative binomial regression model. Stone crabs were collected bimonthly from Cedar Key, Tampa Bay, Pavilion Key, and Sawyer Key from April 2013 through April 2015 for fecundity analysis. Batch fecundity (number of eggs per clutch) was estimated by using dry weights. Modeling results revealed that fecundity was strongly and positively related to carapace width and highly variable among locations, months, and years. Batch fecundity was lowest …

Ctd Data Collected Onboard R/V Weatherbird Ii Cruise Wb-0717 In The Gulf Of Mexico From 2017-07-19 To 2017-07-30, Patrick Schwing

C-IMAGE data

This dataset includes CTD and environmental data for nine stations collected onboard R/V Weatherbird II cruise WB-0717 in the Gulf of Mexico from 2017-07-19 to 2017-07-30. The dataset includes 16 profiles/casts of temperature, salinity, conductivity, chlorophyll-a and colored dissolved organic matter fluorescence, turbidity, oxygen saturation, sound velocity, altimetry and Photosynthetically Available Radiation (PAR). R/V Weatherbird II cruise WB-0717 was led by chief scientist Dr. Steve Murawski. The cruise objectives were to evaluate the extent of fish disease and to characterize the distribution and fate of oiled sediment at sites on the continental shelf and slope of the northern Gulf of …

Bulk Density And Porewater Data Collected Onboard R/V Weatherbird Ii Cruises Wb-0813 And Wb-1405 In The Northern Gulf Of Mexico From 2013-08-15 To 2013-09-27, Gregg R. Brooks, Rebekka A. Larson

C-IMAGE data

This dataset reports measurement of sediment sample wet weight (g) and dry weight (g) for core sub-samples at 2mm sampling intervals for “surficial unit” and 5mm sampling resolution intervals to the base of cores. Bulk density is the dry weight per sampling volume expressed as g/cm3. The dataset also reports percent porewater. The sediment cores were collected onboard the R/V Weatherbird II cruises WB-0813 and WB-1405 in the northern Gulf of Mexico from 2013-08-15 to 2013-09-27. Chief scientists for these cruises were Dr. Steve Murawski and Dr. David Hollander for WB-0813, and Oscar Garcia for WB-1405. The objective of cruise …

Spectral Variability Of Oil Slicks Under Different Observing Conditions Derived From Satellite And Airborne Optical Remote Sensing, Chuanmin Hu

C-IMAGE data

In this dataset, we present the spectral variability of oil slicks under different observing conditions using MODIS (Moderate Resolution Imaging Spectroradiometer), MERIS (Medium Resolution Imaging Spectrometer), MISR (Multi-angle Imaging SpectroRadiometer), Landsat 7 Enhanced Thematic Mapper Plus (ETM+) and AVIRIS (Airborne Visible/ Infrared Imaging Spectrometer). Optical remote sensing is commonly used to detect oil in the surface ocean due to the spectral differences between oil and water, allowing to modulate oil–water spatial and spectral contrasts. However, understanding these contrasts is challenging because of variable results from laboratory and field experiments, as well as different observing conditions and spatial/spectral resolutions of remote …

Photochemical Efficiencies In Reef-Dwelling Anthozoans: Insights From "Survivor" Species, Natasha Mendez-Ferrer, Pamela Hallock

Marine Science Faculty Publications

In recent decades, populations of many coral species have declined dramatically on reefs worldwide. A major factor in coral mortality has been photo-oxidative stress associated with both solar irradiance and elevated temperatures. While many studies have focused on species that have declined, fewer efforts have focused on the “survivor” species, those that have maintained relatively stable populations or even increased in abundance. The objective of this study was to assess temporal variability in photochemical efficiencies (Fv/Fm) as an indicator of potential photo-oxidative stress in the dinoflagellate symbionts in three species, the scleractinians Siderastrea siderea and Montastraea cavernosa, and the …

Southern Ocean Biogeochemical Float Deployment Strategy, With Example From The Greenwich Meridian Line (Go-Ship A12), L. D. Talley, I. Rosso, I. Kamenkovich, M. R. Mazloff, J. Wang, E. Boss, A. R. Gray, K. S. Johnson, R. M. Key, S. C. Riser, N. L. Williams, J. L. Sarmiento

Marine Science Faculty Publications

Biogeochemical Argo floats, profiling to 2,000-m depth, are being deployed throughout the Southern Ocean by the Southern Ocean Carbon and Climate Observations and Modeling program (SOCCOM). The goal is 200 floats by 2020, to provide the first full set of annual cycles of carbon, oxygen, nitrate, and optical properties across multiple oceanographic regimes. Building from no prior coverage to a sparse array, deployments are based on prior knowledge of water mass properties, mean frontal locations, mean circulation and eddy variability, winds, air-sea heat/freshwater/carbon exchange, prior Argo trajectories, and float simulations in the Southern Ocean State Estimate and Hybrid Coordinate Ocean …

Observational Requirements For Long-Term Monitoring Of The Global Mean Sea Level And Its Components Over The Altimetry Era, Anny Cazenave, Ben Hamlington, Martin Horwath, Valentina R. Barletta, Jérôme Benveniste, Don Chambers, Petra Döll, Anna E. Hogg, Jean François Legeais, Mark Merrifield, Benoit Meyssignac, Garry Mitchum, Steve Nerem, Roland Pail, Hindumathi Palanisamy, Frank Paul, Schuckmann, Karina Von Schuckmann, Philip Thompson

Marine Science Faculty Publications

Present-day global mean sea level rise is caused by ocean thermal expansion, ice mass loss from glaciers and ice sheets, as well as changes in terrestrial water storage. For that reason, sea level is one of the best indicators of climate change as it integrates the response of several components of the climate system to internal and external forcing factors. Monitoring the global mean sea level allows detecting changes (e.g., in trend or acceleration) in one or more components. Besides, assessing closure of the sea level budget allows us to check whether observed sea level change is indeed explained by …

An Extreme Sea Level Indicator For The Contiguous United States Coastline, Md. Mamunur Rashid, Thomas Wahl, Don P. Chambers, Francisco M. Calafat, William V. Sweet

Marine Science Faculty Publications

We develop an aggregated extreme sea level (ESL) indicator for the contiguous United States coastline, which is comprised of separate indicators for mean sea level (MSL) and storm surge climatology (SSC). We use water level data from tide gauges to estimate interannual to multi-decadal variability of MSL and SSC and identify coastline stretches where the observed changes are coherent. Both the MSL and SSC indicators show significant fluctuations. Indicators of the individual components are combined with multi-year tidal contributions into aggregated ESL indicators. The relative contribution of the different components varies considerably in time and space. Our results highlight the …

The Marine Geological Imprint Of Antarctic Ice Shelves, James A. Smith, Alastair G. Graham, Alix L. Post, Claus-Dieter Hillenbrand, Philip J. Bart, Ross D. Powell

Marine Science Faculty Publications

Reductions in the thickness and extent of Antarctic ice shelves are triggering increased discharge of marine-terminating glaciers. While the impacts of recent changes are well documented, their role in modulating past ice-sheet dynamics remains poorly constrained. This reflects two persistent issues; first, the effective discrimination of sediments and landforms solely attributable to sub-ice-shelf deposition, and second, challenges in dating these records. Recent progress in deciphering the geological imprint of Antarctic ice shelves is summarised, including advances in dating methods and proxies to reconstruct drivers of change. Finally, we identify several challenges to overcome to fully exploit the paleo record. The …

Subglacial Hydrological Control On Flow Of An Antarctic Peninsula Palaeo-Ice Stream, Robert D. Larter, Kelly A. Hogan, Claus-Dieter Hillenbrand, James A. Smith, Christine L. Batchelor, Matthieu Cartigny, Alex J. Tate, James D. Kirkham, Zoë A. Roseby, Gerhard Kuhn, Alastair G. Graham, Julian A. Dowdeswell

Marine Science Faculty Publications

Basal hydrological systems play an important role in controlling the dynamic behaviour of ice streams. Data showing their morphology and relationship to geological substrates beneath modern ice streams are, however, sparse and difficult to collect. We present new multibeam bathymetry data that make the Anvers-Hugo Trough west of the Antarctic Peninsula the most completely surveyed palaeo-ice stream pathway in Antarctica. The data reveal a diverse range of landforms, including streamlined features where there was fast flow in the palaeo-ice stream, channels eroded by flow of subglacial water, and compelling evidence of palaeo-ice stream shear margin locations. We interpret landforms as …

Enhanced Glacial Discharge From The Eastern Antarctic Peninsula Since The 1700s Associated With A Positive Southern Annular Mode, W. A. Dickens, G. Kuhn, M. J. Leng, Alastair G. C. Graham, J. A. Dowdeswell, M. P. Meredith, C.-D. Hillenbrand, D. A. Hodgson, S. J. Roberts, H. Sloane, J. A. Smith

Marine Science Faculty Publications

The Antarctic Peninsula Ice Sheet is currently experiencing sustained and accelerating loss of ice. Determining when these changes were initiated and identifying the main drivers is hampered by the short instrumental record (1992 to present). Here we present a 6,250 year record of glacial discharge based on the oxygen isotope composition of diatoms (δ18Odiatom) from a marine core located at the north-eastern tip of the Antarctic Peninsula. We find that glacial discharge - sourced primarily from ice shelf and iceberg melting along the eastern Antarctic Peninsula – remained largely stable between ~6,250 to 1,620 cal. yr BP, with a slight …

Coral Reef Monitoring, Reef Assessment Technologies, And Ecosystem-Based Management, David O. Obura, Greta Aeby, Natchanon Amornthammarong, Ward Appeltans, Nicholas Bax, Joe Bishop, Russell E. Brainard, Samuel Chan, Pamela Fletcher, Timothy A. Gordon, Lew Gramer, Mishal Gudka, John Halas, James Hendee, Gregor Hodgson, Danwei Huang, Mike Jankulak, Albert Jones, Tadashi Kimura, Joshua Levy, Patricia Miloslavich, Loke Ming Chou, Frank Muller-Karger, Kennedy Osuka, Melita Samoilys, Stephen D. Simpson, Karenne Tun, Supin Wongbusarakum

Marine Science Faculty Publications

Coral reefs are exceptionally biodiverse and human dependence on their ecosystem services is high. Reefs experience significant direct and indirect anthropogenic pressures, and provide a sensitive indicator of coastal ocean health, climate change, and ocean acidification, with associated implications for society. Monitoring coral reef status and trends is essential to better inform science, management and policy, but the projected collapse of reef systems within a few decades makes the provision of accurate and actionable monitoring data urgent. The Global Coral Reef Monitoring Network has been the foundation for global reporting on coral reefs for two decades, and is entering into …

An Ocean-Colour Time Series For Use In Climate Studies: The Experience Of The Ocean-Colour Climate Change Initiative (Oc-Cci), Shubha Sathyendranath, Robert J.W. Brewin, Carsten Brockmann, Vanda Brotas, Ben Calton, Andrei Chuprin, Paolo Cipollini, André B. Couto, James Dingle, Roland Doerffer, Craig Donlon, Mark Dowell, Alex Farman, Mike Grant, Steve Groom, Andrew Horseman, Thomas Jackson, Hajo Krasemann, Samantha Lavender, Victor Martinez-Vicente, Constant Mazeran, Frédéric Mélin, Timothy S. Moore, Dagmar Müller, Peter Regner, Shovonlal Roy, Chris J. Steele, François Steinmetz, John Swinton, Malcolm Taberner, Adam Thompson, André Valente, Marco Zühlke, Vittorio E. Brando, Hui Feng, Gene Feldman, Bryan A. Franz, Robert Frouin, Richard W. Gould, Stanford B. Hooker, Mati Kahru, Susanne Kratzer, B. Greg Mitchell, Frank E. Muller-Karger, Heidi M. Sosik, Kenneth J. Voss, Jeremy Werdell, Trevor Platt

Marine Science Faculty Publications

Ocean colour is recognised as an Essential Climate Variable (ECV) by the Global Climate Observing System (GCOS); and spectrally-resolved water-leaving radiances (or remote-sensing reflectances) in the visible domain, and chlorophyll-a concentration are identified as required ECV products. Time series of the products at the global scale and at high spatial resolution, derived from ocean-colour data, are key to studying the dynamics of phytoplankton at seasonal and inter-annual scales; their role in marine biogeochemistry; the global carbon cycle; the modulation of how phytoplankton distribute solar-induced heat in the upper layers of the ocean; and the response of the marine ecosystem to …

From Land To The Ocean: The Interplay Between Allochthonous And Autochthonous Contribution To Particles In Nepheloid Layers Of The Cariaco Basin, Venezuela, Laura Lorenzoni, Robert C. Thunell, Claudia R. Benitez-Nelson, Enrique Montes, Ramón Varela, Yrene Astor, Frank E. Muller-Karger

Marine Science Faculty Publications

Lithogenic sediment input to the Cariaco Basin on the eastern Venezuelan shelf is controlled by small mountainous rivers (SMRs). The Cariaco Basin is also an area of high phytoplankton productivity as a result of strong Trade Wind-driven coastal upwelling. Characterizing the sources that supply particulate organic carbon (POC) to the deep Cariaco Basin is important for interpreting the paleoclimate record stored in its sediments. We measured suspended POC in the four main rivers draining into the Caraiaco Basin, the Tuy, Unare, Neveri, and Manzanares, between September 2008 and September 2009 and conducted basin-wide oceanographic cruises in September 2008 (rainy season) …

Enso-Induced Co-Variability Of Salinity, Plankton Biomass And Coastal Currents In The Northern Gulf Of Mexico, Fabian A. Gomez, Sang-Ki Lee, Frank J. Hernandez, Luciano M. Chiaverano, Frank E. Muller-Karger, Yanyun Liu, John T. Lamkin

Marine Science Faculty Publications

The northern Gulf of Mexico (GoM) is a region strongly influenced by river discharges of freshwater and nutrients, which promote a highly productive coastal ecosystem that host commercially valuable marine species. A variety of climate and weather processes could potentially influence the river discharges into the northern GoM. However, their impacts on the coastal ecosystem remain poorly described. By using a regional ocean-biogeochemical model, complemented with satellite and in situ observations, here we show that El Niño - Southern Oscillation (ENSO) is a main driver of the interannual variability in salinity and plankton biomass during winter and spring. Composite analysis …

Population Dynamics Of Pinfish In The Eastern Gulf Of Mexico (1998-2016), Meaghan E. Faletti, Dinorah H. Chacin, Jonathan A. Peake, Timothy C. Macdonald, Christopher D. Stallings

Marine Science Faculty Publications

Forage fishes play an important role in marine ecosystems by transferring energy and nutrients through the food web. The population dynamics of forage species can therefore have cascading effects across multiple trophic levels. Here, we analyzed a 19-year dataset on Pinfish (Lagodon rhomboides) across four eastern Gulf of Mexico estuaries to investigate population dynamics, inter- and intra-annual synchrony, metapopulation portfolio effects, growth, and habitat effects. Young-of-year growth rates did not differ among estuaries. The population dynamics of these four systems were stable in the long-term, but highly dynamic inter-annually. Intra-annual dynamics were stable and predictable despite variation in long-term means. …

Effects Of Improved 17O Correction On Interlaboratory Agreement In Clumped Isotope Calibrations, Estimates Of Mineral-Specific Offsets, And Temperature Dependence Of Acid Digestion Fractionation, S. V. Petersen, W. F. Defliese, C. Saenger, M. Daëron, K. W. Huntington, C. M. John, J. R. Kelson, S. M. Bernasconi, A. S. Colman, T. Kluge, G. A. Olack, A. J. Schauer, D. Bajnai, M. Bonifacie, S. F. Breitenbach, J. Fiebig, A. B. Fernandez, G. A. Henkes, D. Hodell, A. Katz, S. Kele, K. C. Lohmann, B. H. Passey, M. Y. Peral, D. A. Petrizzo, B. E. Rosenheim, A. Tripati, R. Venturelli, E. D. Young, I. Z. Winkelstern

Marine Science Faculty Publications

The clumped isotopic composition of carbonate-derived CO₂ (denoted Δ₄₇) is a function of carbonate formation temperature and in natural samples can act as a recorder of paleoclimate, burial, or diagenetic conditions. The absolute abundance of heavy isotopes in the universal standards VPDB and VSMOW (defined by four parameters: R¹³_VPDB, R¹⁷_VSMOW, R¹⁸_VSMOW, and λ) impact calculated Δ₄₇ values. Here, we investigate whether use of updated and more accurate values for these parameters can remove observed interlaboratory differences in the measured T-Δ₄₇ relationship. Using the updated parameters, …

Florida Coastal Mapping Program—Overview And 2018 Workshop Report, Cheryl J. Hapke, Philip A. Kramer, Elizabeth H. Fetherston-Resch, Rene D. Baumstark, Ryan Druyor, Xan Fredericks, Ekaterina Fitos

Marine Science Faculty Publications

The Florida Coastal Mapping Program is a nascent but highly relevant program that has the potential to greatly enhance the “Blue Economy” of Florida by coordinating and facilitating sea-floor mapping efforts and aligning partner and stakeholder activities for increased efficiency and cost reduction. Sustained acquisition of modern coastal mapping information for Florida may improve management of resources and reduce costs by eliminating redundancy. Economic growth could be aided by improved data to support emerging sectors such as aquaculture and renewable energy.

The present focus of the Florida Coastal Mapping Program is on modern, high-resolution bathymetric and coastal topobathymetric data, which …

Novel Circular Rep-Encoding Single-Stranded Dna Viruses Detected In Treated Wastewater, Karyna Rosario, Christina M. Morrison, Kaitlin A. Mettel, Walter Q. Betancourt

Marine Science Faculty Publications

Here, we present the complete genome sequences of three circular replication-associated protein (Rep)-encoding single-stranded DNA (CRESS DNA) viruses detected in secondary treated and disinfected wastewater effluent. The discovered viruses, named wastewater CRESS DNA virus (WCDV)-1 to -3, represent novel viral species that seem to persist in wastewater effluent.