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Articles 31 - 60 of 1425
Full-Text Articles in Marine Biology
Bull Shark (Carcharihinus Leucas) Chondrocranium, Nicholas Burchett, Michelle Bassali, David W. Kerstetter, Roman Devlin
Bull Shark (Carcharihinus Leucas) Chondrocranium, Nicholas Burchett, Michelle Bassali, David W. Kerstetter, Roman Devlin
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Tracking The Type Of Specimens Of Parazoanthus Axinellae (Hexacorallia: Zoanthidea) And Its Subspecies, Annika Markovich
Tracking The Type Of Specimens Of Parazoanthus Axinellae (Hexacorallia: Zoanthidea) And Its Subspecies, Annika Markovich
DoMES Seminar Series
No abstract provided.
Effects Of Oil Spill Response Agents On Scleractinan Corals Acropora Cervicornis And Porites Divaricata, Austin Blakeslee
Effects Of Oil Spill Response Agents On Scleractinan Corals Acropora Cervicornis And Porites Divaricata, Austin Blakeslee
All HCAS Student Capstones, Theses, and Dissertations
Coral reefs are biodiverse coastal ecosystems at risk of exposure to spilled oil; spills reaching shorelines can damage corals, mangroves, and many other species in nearshore shallow-water tropical environments. Efforts to remediate such spills have evolved over the years through the introduction of various chemical response agents that efficiently and effectively control the spread of oil. Chemical herding agents and dispersants, which can contain and control the oil spread, are promising additions to the spill response toolbox as potential alternatives to other response methods. These response agents are designed to be biodegradable and minimize potential harm to aquatic ecosystems. However, …
Abundance, Distribution, And Shoaling Of Driftfishes And Allies (Scombriformes: Stromateoidei) In The Pelagic Gulf Of Mexico, Juliet Tretler
Abundance, Distribution, And Shoaling Of Driftfishes And Allies (Scombriformes: Stromateoidei) In The Pelagic Gulf Of Mexico, Juliet Tretler
All HCAS Student Capstones, Theses, and Dissertations
The suborder Stromateoidei contains 80 species of mesopelagic fishes in five families distributed throughout temperate and tropical seas worldwide, including the Gulf of Mexico (Gulf hereafter). Mesopelagic fishes, especially those that spatially aggregate, serve as important forage items for commercially, recreationally, and ecologically important species of fish, marine mammals, and seabirds. However, knowledge of the ecology and trophic importance of stromateoid fishes in the Gulf is extremely limited. This study provides quantitative information on the species composition, abundance, distribution, and biomass contribution of the stromateoid species to the Gulf deep-pelagic fish assemblage, with comparison to “archetypal” mesopelagic fish families (e.g., …
Acute Toxicity Of Arsenate And Arsenite In Two Scleractinian Coral Species: Acropora Cervicornis And Orbicella Faveolata, Cailey Dorman
Acute Toxicity Of Arsenate And Arsenite In Two Scleractinian Coral Species: Acropora Cervicornis And Orbicella Faveolata, Cailey Dorman
All HCAS Student Capstones, Theses, and Dissertations
Inorganic arsenic (As), specifically arsenate (As(V)) and arsenite (As(III)) are well-documented toxicants to a range of marine organisms. However, their specific impacts on coral reef species remain largely unstudied. This study is the first to assess the acute and subacute toxicity of inorganic arsenic on two threatened scleractinian coral species, Acropora cervicornis and Orbicella faveolata. Corals were exposed for 96 hours to five analytically verified concentrations and a negative control of either arsenate or arsenite. Toxicity was evaluated through three endpoints: mortality (LC50), coral condition (EC50), and photosynthetic efficiency (IC50). The lethal concentrations to result in 50% mortality (LC50) …
The Trophic Ecology Of The Snipe Eel Avocettina Infans (Anguilliformes: Nemichthyidae) In The Deep-Pelagic Gulf Of Mexico, Emma N. Schindler
The Trophic Ecology Of The Snipe Eel Avocettina Infans (Anguilliformes: Nemichthyidae) In The Deep-Pelagic Gulf Of Mexico, Emma N. Schindler
All HCAS Student Capstones, Theses, and Dissertations
The Nemichthyidae (snipe eels) are ubiquitous in the deep-pelagic waters of tropical and temperate latitudes, and in some ecosystems are among the dominant fishes. In the deep waters of the Gulf of Mexico, the nemichthyid species Avocettina infans is one of the dominant large predators. This prompted the current study, where an extensive sample set was utilized to characterize the abundance of the family in total, and the vertical distribution and trophic ecology of A. infans specifically. The nemichthyid abundance from 0 – 1500 m was estimated at 1,106.58 individuals per billion cubic meters, the largest portion of which was …
The Benefits Of High Phosphate Concentration (10n : 1p) And Diagonal Orientation On The Ex Situ Grow-Out Of Caribbean Coral Juveniles, Ashley Shen
All HCAS Student Capstones, Theses, and Dissertations
As coral reefs keep declining, it is imperative to increase coral production ex situ for restoration, but this requires culture protocols to be optimized. This study examined the impacts of grow-out orientation and phosphate concentration (and nitrate (N): phosphate (P) ratio) on the survival and growth of Montastraea cavernosa and Pseudodiploria clivosa juveniles from 3 to 9 months old. Pristine reefs typically have low nitrate (0.12μmol/L) and low phosphate (0.03μmol/L) concentrations, leading to N:P ratios of 4-16 N: 1P. In recirculating tanks, it is difficult to lower nitrate concentrations below 25μmol/L. Here we hypothesized that increasing the phosphate concentration in …
Identification Of Crustose Coralline Algae Species In Florida And Their Ability To Induce Larval Settlement Of Caribbean Corals, Danielle Macias
Identification Of Crustose Coralline Algae Species In Florida And Their Ability To Induce Larval Settlement Of Caribbean Corals, Danielle Macias
All HCAS Student Capstones, Theses, and Dissertations
Crustose coralline algae (CCA) are a diverse, globally spread and yet poorly studied group of benthic organisms. They act as settlement cues for coral larvae, but this interaction is often species-specific, as CCA species can be either inducers or inhibitors to larval settlement and metamorphosis. Despite this importance, information on Caribbean CCA distribution, diversity, and impact on coral species is limited due to the difficulty in identifying them. In the present study, CCA samples were collected from seven different reef sites in the southeastern region of Florida’s Coral Reef and genetically identified using molecular analyses. Some of the samples collected …
Using Satellite Tracking And Stable Isotopes To Characterize The Movements, Core-Use Areas, And Distribution Of Loggerhead And Green Turtles Nesting In South Florida, Usa: Internesting, Foraging, And Migration, Glenn D. Goodwin
All HCAS Student Capstones, Theses, and Dissertations
The movements of animals in response to environmental variation influence the fitness of individuals and drive major ecological processes, while also varying their exposure level to anthropogenic risks. Understanding the movements and spatial distribution of imperiled species is critical for developing effective conservation strategies. This can be difficult for wide ranging and highly migratory species, such as sea turtles. Throughout their adult life stages, the females of most sea turtle species spend the majority of their time in their foraging areas for multiyear intervals between nesting periods. These foraging areas are typically widely dispersed and variable within nesting populations. To …
Trace Element Contamination In The Coastal Gray Wolves Of Southeast Alaska, Miranda Brohman
Trace Element Contamination In The Coastal Gray Wolves Of Southeast Alaska, Miranda Brohman
All HCAS Student Capstones, Theses, and Dissertations
Gray wolves (Canis lupus), northern sea otters (Enhydra lutris) and salmon (Oncorhynchus spp.) play vital roles in southeast Alaska, yet all are exposed to trace element (TE) bioaccumulation. This study examines dietary patterns and TE accumulation in four northern Lynn Canal wolf populations (Douglas Island, Juneau, Gustavus, and Pleasant Island) using stable isotope analysis (SIA) (δ13C and δ15N) and TE assessments. SIA revealed that wolves in Juneau and Douglas Island primarily consumed terrestrial prey, whereas wolves in Gustavus and Pleasant Island exhibited enriched isotopic signatures indicative of a marine-based diet, particularly …
Yellow Stingray (Urobatis Jamaicensis) Jaw, Marissa Rosas, David Kerstetter
Yellow Stingray (Urobatis Jamaicensis) Jaw, Marissa Rosas, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Jaw, Nicholas Burchett, David Kerstetter, Derek Burkholder
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Jaw, Nicholas Burchett, David Kerstetter, Derek Burkholder
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Neurocranium, Michelle Bassali, David Kerstetter, Ema Nagel
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Neurocranium, Michelle Bassali, David Kerstetter, Ema Nagel
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Jaw, Michelle Bassali, David Kerstetter, Ema Nagel
Atlantic Sharpnose Shark (Rhizoprionodon Terraenovae) Jaw, Michelle Bassali, David Kerstetter, Ema Nagel
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Atlantic Sharpnose (Rhizoprionodon Terraenovae) Jaw, Rileigh Gonzalez, David Kerstetter
Atlantic Sharpnose (Rhizoprionodon Terraenovae) Jaw, Rileigh Gonzalez, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
(Winter Skate (Leucoraja Ocellata)) Jaw, Michael A. Birnbaum, David Kerstetter
(Winter Skate (Leucoraja Ocellata)) Jaw, Michael A. Birnbaum, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Metabolic Response Of The Code Goby (Gobiosoma Robustum) To Estuarine Climate Change Forecasts, Karli S. Corey
Metabolic Response Of The Code Goby (Gobiosoma Robustum) To Estuarine Climate Change Forecasts, Karli S. Corey
All HCAS Student Capstones, Theses, and Dissertations
Forage fishes are small bodied species that form a diverse functional group, serving as a primary food source for a wide range of marine predators. This group plays a significant ecological role through energy transfer to higher trophic levels. Gobiosoma robustum (Code Goby) is a substantive diet component of several recreationally significant juvenile sportfishes in Florida estuaries. While the thermal tolerance of this species may be inferred from observational data, the absolute physiological limitations of this species remain unknown. In this study, intermittent-flow respirometry and critical thermal maxima were used to determine the response of G. robustum to chronic and …
Black Grouper (Mycteroperca Bonaci) Neurocranium, Nicholas Burchett, Kelsee Rotering, Marissa Rosas, David Kerstetter, Derek Burkholder
Black Grouper (Mycteroperca Bonaci) Neurocranium, Nicholas Burchett, Kelsee Rotering, Marissa Rosas, David Kerstetter, Derek Burkholder
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Butterfly Peacock Bass (Cichla Ocellaris), Samuel K. Zellefrow, David Kerstetter, John Nichols
Butterfly Peacock Bass (Cichla Ocellaris), Samuel K. Zellefrow, David Kerstetter, John Nichols
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Species Detection And Discovery Of Zoanthidea Symbiotic With Deep-Sea Gorgonians, Saige Jost
Species Detection And Discovery Of Zoanthidea Symbiotic With Deep-Sea Gorgonians, Saige Jost
All HCAS Student Capstones, Theses, and Dissertations
Symbiotic marine invertebrates known as Zoanthidea, from the phylum Cnidaria, live on a wide diversity of other organisms. Deep-sea corals such as Gorgonians are one of these clades of hosts. These octocorals and their Zoanthidean symbionts are challenging to collect and consequently difficult to study. However, the Evolution of Marine Symbioses Laboratory at Nova Southeastern University has obtained several samples from the Yale Peabody Museum and other museums or universities with the goal of expanding our knowledge of the diversity of Zoanthideans. Until recently, the existing taxonomic system has been based on morphological characters. A competing molecular parataxonomic system has …
Red Grouper (Epinephelus Morio) Neurocranium, David Ferreiro
Red Grouper (Epinephelus Morio) Neurocranium, David Ferreiro
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Understanding Bigeye Scad (Selar Crumenophthalmus) In Southeast Florida: Age-Growth, Reproduction, And Diet, Mariah France
Understanding Bigeye Scad (Selar Crumenophthalmus) In Southeast Florida: Age-Growth, Reproduction, And Diet, Mariah France
All HCAS Student Capstones, Theses, and Dissertations
In southeastern Florida, the bigeye scad (Selar crumenophthalmus) is highly regarded as a baitfish for targeting billfish and other large sportfishes, often commanding market prices as live bait exceeding $180 per dozen. Despite its economic significance, there is limited knowledge regarding the species within the Atlantic Ocean, especially the population that occurs in Florida. Bigeye scad were collected monthly from local bait shops in Pompano Beach, Miami, and Islamorada to assess age-growth, reproductive behaviors, and dietary habits. Specimens from May to August had the highest values for length-weight relationships and gonadsomatic index, indicative of a spawning season during …
Red Snapper (Lutjanus Campechanus) Neurocranium, Michelle Bassali, Anthony D'Auria, David Kerstetter
Red Snapper (Lutjanus Campechanus) Neurocranium, Michelle Bassali, Anthony D'Auria, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Assessment And Prioritization Of Contaminants Of Concern Along Florida's Coral Reef, Ellen Regina E. Skelton
Assessment And Prioritization Of Contaminants Of Concern Along Florida's Coral Reef, Ellen Regina E. Skelton
All HCAS Student Capstones, Theses, and Dissertations
Florida’s Coral Reef (FCR) is the third largest barrier reef in the world and faces significant stress from localized land, water, and air-based sources of pollution. Numerous chemical contaminants have been found in waters surrounding reefs and within corals, including pesticides, hydrocarbons, personal care products, pharmaceuticals, and trace metals. However, for most current and emergent environmental contaminants, little to no consistent information exists regarding environmental concentrations or toxicological effects on corals. Assessment of the levels of contaminants in coral reef environments is needed to conduct risk assessments to guide management, restoration, and recovery strategies, and the coral reef resource management …
Largemouth Bass Neurocranium, Owen Duerbeck, Ian Thelwell, Oliva Weeks
Largemouth Bass Neurocranium, Owen Duerbeck, Ian Thelwell, Oliva Weeks
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Black Grouper Neurocranium, Angelina Trapani-Banyra, Victoria Bruno, Mason Schleicher
Black Grouper Neurocranium, Angelina Trapani-Banyra, Victoria Bruno, Mason Schleicher
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Snakehead Neurocranium, Alexis K. Crass, Megan E. Martiello, Matthew D. Gassmann, David Kerstetter
Snakehead Neurocranium, Alexis K. Crass, Megan E. Martiello, Matthew D. Gassmann, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Black Grouper Neurocranium, Grace K. Triplett, Katelyn A. Mckimmy, Lacey Adamik, David Kerstetter
Black Grouper Neurocranium, Grace K. Triplett, Katelyn A. Mckimmy, Lacey Adamik, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Todaro Channeled Apple Snail (Pomacea Canaliculata), Jasmyn Todaro, Amy C. Hirons
Todaro Channeled Apple Snail (Pomacea Canaliculata), Jasmyn Todaro, Amy C. Hirons
Hirons Field Techniques
Channeled Apple Snail (Pomacea canaliculata) shell.
Red Snapper Neurocranium, Roman Devlin, Michael A. Birnbaum, David Kerstetter
Red Snapper Neurocranium, Roman Devlin, Michael A. Birnbaum, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.