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Articles 1 - 30 of 1373
Full-Text Articles in Life Sciences
Euhaplorchis Sp. A Effect On Social Behavior And Familiarity Of Gulf Killifish (Fundulus Grandis), Hannah Bauman
Euhaplorchis Sp. A Effect On Social Behavior And Familiarity Of Gulf Killifish (Fundulus Grandis), Hannah Bauman
All HCAS Student Capstones, Theses, and Dissertations
Trophically transmitted parasites may manipulate their hosts’ phenotype (e.g., behavior, physiology, morphology) to increase the likelihood of transmission to the definitive host. In fishes, stable social groups develop familiarity over time through repeated interactions among individuals, and social preferences are often developed due to familiarity. Consequently, fishes often shoal with familiar fishes, a behavior that is likely to be protective against predation. Parasites may alter fish social dynamics in two ways: by decreasing association with familiar individuals, thereby isolating infected fish and making them more susceptible to predation by definitive hosts; and/or by incentivizing uninfected individuals to avoid infected fish …
Trophic Ecology Of Black Swallowers (Scombriformes: Chiasmodontidae: Chiasmodon) In The Deep-Pelagic Gulf Of Mexico, Travis J. Kirk
Trophic Ecology Of Black Swallowers (Scombriformes: Chiasmodontidae: Chiasmodon) In The Deep-Pelagic Gulf Of Mexico, Travis J. Kirk
All HCAS Student Capstones, Theses, and Dissertations
The ecology of deep-pelagic predatory fishes remains poorly understood despite their importance as ecosystem regulators and energy transfer vectors. This study investigated the trophic ecology of three species of the predatory fish genus Chiasmodon (“black swallowers”) in the Gulf of Mexico, a region that serves as an analog for the global low-latitude deep pelagial, the world’s largest cumulative ecosystem. Foraging habits (e.g., selectivity, chronology, daily ration) of an “advanced” evolutionary fish in a system that is otherwise dominated by basal fish taxa, were quantitatively estimated via high-resolution stomach content analysis. A quantitative dataset of both predator and prey abundance, the …
Microplastic Quantification On The Effect Of Endoparasite Communities In Florida Seabirds, Sarah N. Prieto
Microplastic Quantification On The Effect Of Endoparasite Communities In Florida Seabirds, Sarah N. Prieto
All HCAS Student Capstones, Theses, and Dissertations
Microplastics are being studied in a variety of different projects to better understand their impact and threat to wildlife species. Although there is an understanding that microplastics are affecting our wildlife, there are still questions about how coastal seabirds come to ingest them and how the ingestion is altering critical biological processes, such as that for endoparasite communities. This project aims to determine a better understanding of two main objectives: assessment of the presence of secondary ingestion of microplastics in coastal seabirds due to the fish species they prey on and relationship between microplastics and endoparasite communities' structure and state …
Broadscale Coral Disease Interventions Elicit Efficiencies In Endemic Disease Response, Kathryn A. Toth, Samantha F. Buckley, Hunter Noren, Karen L. Neely, Brian K. Walker
Broadscale Coral Disease Interventions Elicit Efficiencies In Endemic Disease Response, Kathryn A. Toth, Samantha F. Buckley, Hunter Noren, Karen L. Neely, Brian K. Walker
Marine & Environmental Sciences Faculty Articles
The presence and abundance of reef-building corals are crucial to the long-term existence of Caribbean coral reef ecosystems, providing both direct and indirect, local and global, ecological, economic, and social benefits. In 2014, stony coral tissue loss disease (SCTLD) was first identified in southeast Florida and remains endemic to the region, while continuing to spread throughout the Caribbean. Effective in situ intervention treatments using antibiotic paste can halt lesion progression on Montastraea cavernosa up to 90% of the time. This study investigated intervention activities over a three-year period to identify efficiencies in disease response. Since May 2019, 1,037 corals, >85% …
Quantifying The Respiratory Plasticity Of Common Fishes Of The Indian River Lagoon, Logan Exton
Quantifying The Respiratory Plasticity Of Common Fishes Of The Indian River Lagoon, Logan Exton
Honors Theses
Increasing water temperatures resulting from global climate change introduce new energetic demands for marine organisms. Higher energy input will be required to cope with a subsequently higher metabolic rate, affecting all aspects of an individual’s life and therefore their survival. Because estuaries act as a link between rivers and oceans, they and their inhabitants are considered to be the most threatened by climate change. Therefore, it is crucial to understand how these organisms will respond to increased stressors due to climate change. Checkered pufferfish (Sphoeroides testudineus) are among the most common teleost fish in the Indian River Lagoon, …
199965, David Kerstetter
199965, David Kerstetter
PERC Albacore sPAT Data
Datasets (and supporting material) from 4sPAT electronic tags deployed on albacore caught by pelagic longline gear in the western North Atlantic.
199953, David Kerstetter
199953, David Kerstetter
PERC Albacore sPAT Data
Datasets (and supporting material) from 4sPAT electronic tags deployed on albacore caught by pelagic longline gear in the western North Atlantic.
199949, David Kerstetter
199949, David Kerstetter
PERC Albacore sPAT Data
Datasets (and supporting material) from 4sPAT electronic tags deployed on albacore caught by pelagic longline gear in the western North Atlantic.
199946, David W. Kerstetter
199946, David W. Kerstetter
PERC Albacore sPAT Data
Datasets (and supporting material) from 4sPAT electronic tags deployed on albacore caught by pelagic longline gear in the western North Atlantic.
Oliver Agee Catfish Neurocranium, Charlotte R. Oliver, Kristina Agee, David Kerstetter
Oliver Agee Catfish Neurocranium, Charlotte R. Oliver, Kristina Agee, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 10.7 cm total length, [Catfish], collected by [Kerstetter].
Catfish Neurocranium 3-D Scan, Pamela Gonzalez, Jarod Johnson, David Kerstetter
Catfish Neurocranium 3-D Scan, Pamela Gonzalez, Jarod Johnson, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Common Snook (Centropomus Undecimalis) Neurocranium, Ryan Robison, Lesley Wallace, David Kerstetter
Common Snook (Centropomus Undecimalis) Neurocranium, Ryan Robison, Lesley Wallace, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium length of 16.5 cm Common Snook (Centropomus undecimalis), collected from Dr. Kerstetter's Lab on 10/23 by Ryan Robison and Lesley Wallace.
Yellow Grouper (Epinephelus Awoara), Tyler Jurain, David Kerstetter
Yellow Grouper (Epinephelus Awoara), Tyler Jurain, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Spawning Asynchrony Of The Endangered Acropora Cervicornis: Are Light Pollution And Abnormally Warm Temperatures The Culprits?, Krista Laforest
Spawning Asynchrony Of The Endangered Acropora Cervicornis: Are Light Pollution And Abnormally Warm Temperatures The Culprits?, Krista Laforest
All HCAS Student Capstones, Theses, and Dissertations
The persistence of reefs relies on mature corals spawning synchronously to maximize fertilization and produce larvae to replenish local populations. Corals synchronize the release of gametes by responding to temperature, sun, and moon light cycles; however, abnormalities in these patterns can disrupt synchrony. This study is the first to describe regional asynchronous spawning of Acropora cervicornis by quantifying gamete development and spawning times among two reefs, an in situ nursery off Fort Lauderdale, and an in situ nursery in the Florida Keys. While A. cervicornis in the Florida Keys synchronously spawned within the predicted window of 2-5 days after the …
Jack Crevalle Neurocranium, Rodolfo A. Heredia, David Kerstetter
Jack Crevalle Neurocranium, Rodolfo A. Heredia, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Brown Bullhead Catfish (Ameiurus Nebulosus) Neurocranium, Reginald Leon Kempson Iii, David Kerstetter
Brown Bullhead Catfish (Ameiurus Nebulosus) Neurocranium, Reginald Leon Kempson Iii, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from [6.3] cm total length (30 cm) [Brown Bullhead Catfish (Ameiurus nebulosus)], collected from [Dr.Kerstetters lab] on [6/December/2023] by [Reginald Kempson III]
Fishing And Fear Effects Interact To Shape Herbivory On Coral Reefs, Bethany M. Tilton
Fishing And Fear Effects Interact To Shape Herbivory On Coral Reefs, Bethany M. Tilton
All HCAS Student Capstones, Theses, and Dissertations
Predation influences animal behavior and shapes ecological structure and function through lethal effects and fear effects. On coral reefs, fear effects can alter the distribution and intensity of herbivory by herbivorous reef fishes. This includes the browsing functional group, which potentially reverses macroalgal phase shifts and promotes reef recovery. Herbivory by multiple functional groups may increase on coral reefs through the use of NTZs (no-take zones) but few studies have examined the extent to which small-scale NTZs (< 0.5 km2) influence fear effects and perceived predator presence on reefs. This study aimed to determine whether fear effects on browsers on …
A Rapid Site Selection Assessment As An Indicator Of Stony Coral Microfragment Outplant Success, John J. Alfirevich
A Rapid Site Selection Assessment As An Indicator Of Stony Coral Microfragment Outplant Success, John J. Alfirevich
All HCAS Student Capstones, Theses, and Dissertations
Microfragmentation of massive stony coral species is a technique being utilized to propagate corals asexually to help restore coral reefs. Microfragmentation consists of cutting corals into 3 cm diameter or less fragments, which boosts growth rates. However, in some locations the size of microfragments make them vulnerable to parrotfish predation and benthic overgrowth, reducing survival. As such, a method to identify key site characteristics which promotes microfragment outplant success, particularly one that can be performed quickly across multiple areas is needed. A rapid site assessment conducted prior to microfragment outplanting was performed at 12 randomly selected sites within the Kristin …
Gag Grouper (Mycteroperca Microlepis) Neurocranium, Sierra Potts, David Kerstetter
Gag Grouper (Mycteroperca Microlepis) Neurocranium, Sierra Potts, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
10 cm neurocranium from Gag Grouper, Mycteroperca microlepis, collected from Snapper Mike's on 05/11/2023 by Sierra Potts
Psammocora Stellata Distribution At Devil's Crown, Floreana Island, Galápagos Islands, Ecuador, María José Guarderas Sevilla
Psammocora Stellata Distribution At Devil's Crown, Floreana Island, Galápagos Islands, Ecuador, María José Guarderas Sevilla
All HCAS Student Capstones, Theses, and Dissertations
In the Galápagos Archipelago, the free-living nodular coral Psammocora stellata is a common species that does not form reef structures. However, it is a key component of the ecosystem by increasing habitat complexity and, consequently, species diversity. This species experienced a drastic decline in Devil’s Crown channel, Floreana Island, where it disappeared after the 1982-83 El Niño-Southern Oscillation, presumably by displacement of unattached colonies by strong surface waves and currents. This assemblage has now recovered to pre-impact levels. A combination of underwater photoquadrats from 2007 and 2009 and recent (2023) orthomosaics were used to determine changes in coral densities and …
Parrotfish Skull, Grace Mikus, David Kerstetter
Parrotfish Skull, Grace Mikus, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Serranidae Spp. Neurocranium, Justin Abonce, David Kerstetter
Serranidae Spp. Neurocranium, Justin Abonce, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Rainbow Parrotfish Neurocranium, Theophilus J. Hebert, David Kerstetter
Rainbow Parrotfish Neurocranium, Theophilus J. Hebert, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Do Mesopelagic Fish Biomass Patterns Change In Response To Major Oceanographic Features In The Northern Gulf Of Mexico?, Ian M. Areford
Do Mesopelagic Fish Biomass Patterns Change In Response To Major Oceanographic Features In The Northern Gulf Of Mexico?, Ian M. Areford
All HCAS Student Capstones, Theses, and Dissertations
In recent years interest in mesopelagic fishes has grown due to their ecological significance and economic potential. A major outstanding question is how the assemblage is potentially structured by mesoscale (10 - 100s km) oceanographic features such as eddies, fronts, and riverine plumes. Mesoscale features are known to influence micronekton and zooplankton’s spatial distributions but data on individual mesopelagic fish species’ responses are limited. The Gulf of Mexico (GoM) is an area of particular interest due to its diverse mesopelagic fish assemblage, its well-defined mesoscale oceanographic features, its history of anthropogenic impacts such as oil spills, and its diverse mesopelagic …
Yellowtail Snapper Ocyurus Chrysurus, Kevin Rafferty, Manuel Ploner, David W. Kerstetter
Yellowtail Snapper Ocyurus Chrysurus, Kevin Rafferty, Manuel Ploner, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
YELLOWTAIL SNAPPER OCYURUS CHRYSURUS 7.5CM Total length
Lionfish (Pterois Volitans) Neurocranium, Kate Heffner, Hosanna Gattle, David Kerstetter
Lionfish (Pterois Volitans) Neurocranium, Kate Heffner, Hosanna Gattle, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 30 cm total length (TL) Lionfish (Pterois volitans), collected from Second Reef on 15/10/2023 by Kate Heffner.
Yellow Edge Grouper (Hyporthodus Flavolimbatus) Neurocranium, Lili Mcelhill, Alison Novara, David Kerstetter
Yellow Edge Grouper (Hyporthodus Flavolimbatus) Neurocranium, Lili Mcelhill, Alison Novara, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium (11 cm) of Yellow Edge Grouper (Hyporthodus flavolimbatus), collected from South Florida local fish market on 02/11/2023 by Alison Novara and Lili McElhill.
Jackfish (Caranx Lugubris) Neurocranium, Lauren Groves, David Kerstetter
Jackfish (Caranx Lugubris) Neurocranium, Lauren Groves, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 9 cm total length (TL) Jackfish, Caranx lugubris, collected from Ideal Market on September 18th, by Lauren Groves
Northern Red Snapper (Lutjanus Campechnus) Neurocranium, Ajani K. Saldana, David Kerstetter
Northern Red Snapper (Lutjanus Campechnus) Neurocranium, Ajani K. Saldana, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 7.5 cm total length (TL) 37 cm Lutjanus campechanus (Northern Red Snapper), collected from Mango Tree Supermarket in September 2023 by Ajani Saldana
Brha, Kevin Rafferty, Briana K. Zaffiro, David W. Kerstetter
Brha, Kevin Rafferty, Briana K. Zaffiro, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Skull from Broad-winged Hawk (Buteo platypterus).