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Nova Southeastern University

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Articles 151 - 180 of 244

Full-Text Articles in Animal Sciences

Ontogenetic Variation In Sciaenid Otolith Morphometry With Fish Size From The Northern Gulf Of Mexico, Thomas C. Ingalls Jan 2021

Ontogenetic Variation In Sciaenid Otolith Morphometry With Fish Size From The Northern Gulf Of Mexico, Thomas C. Ingalls

All HCAS Student Capstones, Theses, and Dissertations

Sciaenids are a diverse family of coastal fishes and their fisheries are an important industry in the United States. In the northern Gulf of Mexico this industry is dominated by six species, specifically, red drum (Sciaenops ocellatus), black drum (Pogonias cromis), spotted seatrout (Cynoscion nebulosus), sand seatrout (C. arenarius), Atlantic croaker (Micropogonias undulatus), and spot (Leiostomus xathurus). Sagittal otoliths of all species were evaluated for changes in size and shape in relation to changes in fish total length and age across a variety of seasons and habitats. Evaluation …


Black Grouper (Mycteroperca Bonaci) Neurocranium, Celeste Jaworski, David W. Kerstetter Jan 2021

Black Grouper (Mycteroperca Bonaci) Neurocranium, Celeste Jaworski, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 7.5 cm total length. Black Grouper (Mycteroperca bonaci), collected from Denny's Seafood Market on 15/10/2021 by Celeste Jaworski.


Gafftopsail Catfish Neurocranium, Allison J. Soucier Jan 2021

Gafftopsail Catfish Neurocranium, Allison J. Soucier

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Gafftopsail Catfish (Bagre marinus), neurocranium length: 11.5 cm, collected from Keewaydin Island in Marco Florida on 15/9/2021 by Allison Soucier.


Ocean Acidification And Fish Respiration: A Study On The Anatomical, Physiological, And Behavioral Adaptations Of Fishes And Their Ability To Cope With Decreasing Seawater Ph, Mark P. Rogers Dec 2020

Ocean Acidification And Fish Respiration: A Study On The Anatomical, Physiological, And Behavioral Adaptations Of Fishes And Their Ability To Cope With Decreasing Seawater Ph, Mark P. Rogers

All HCAS Student Capstones, Theses, and Dissertations

Abstract

Fish stocks across the globe are increasingly being relied upon to supply the ever-growing human population with high quality protein and other nutrients. In addition to fishing pressure, stressors brought on by climate changes, including ocean acidification and hypoxic conditions, have the potential for providing substantial negative impacts on the efficiency of fish respiration, internal acid-base balance, and energy budgets. To meaningfully integrate the potential impacts of ocean acidification on fishes into management practices it is important to study the anatomical, physiological, and behavioral adaptations that enable fish to cope with decreasing seawater pH and how those mechanisms might …


Investigation Of Sulfur Cycling In Marine Sponge Cinachyrella Spp. From A South Florida Reef, Shelby K. Cain Dec 2020

Investigation Of Sulfur Cycling In Marine Sponge Cinachyrella Spp. From A South Florida Reef, Shelby K. Cain

All HCAS Student Capstones, Theses, and Dissertations

Symbionts within marine sponges are actively participating in the biogeochemical cycles. Among them, the role of symbiont microbes in the sulfur cycle remains a mystery. This study measured the abundance of microbes within the genus Cinachyrella before and after exposure to hydrogen sulfide. A four-part study was conducted: a) five-hour drop experiments, b) vertical distribution experiments, c) five-hour uptake experiments, and d) long-term exposure experiments. The five-hour drop experiment utilized a microsensor to measure sulfide levels, which was lowered 1.0 mm every thirty minutes for a total of 5 hours. Three trials were performed, each with one sponge and a …


Bullseye Snakehead Fish (Channa Marulius) Neurocranium, James A. Moss, David Kerstetter Nov 2020

Bullseye Snakehead Fish (Channa Marulius) Neurocranium, James A. Moss, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium had an estimated length of 11 cm, Bullseye Snakehead (Channa marulius), invasive species collected from South Florida


[Silk Snapper, Lutjanus Vivanus] Neurocranium, Rachel Taylor, David W. Kerstetter Nov 2020

[Silk Snapper, Lutjanus Vivanus] Neurocranium, Rachel Taylor, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Silk snapper, Lutjanus vivanus, apart of the Lutjanidae family. A species of red snapper commonly found in the Atlantic and Gulf of Mexico.

Neurocranium prep submission for Dr. Kertstetter, MBIO 3700 Biology of Fishes


Atlantic Mackerel (Scomber Scombrus) Neurocranium, Victor A. Reyes, David W. Kerstetter Nov 2020

Atlantic Mackerel (Scomber Scombrus) Neurocranium, Victor A. Reyes, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Atlantic Mackerel (Scomber scombrus), collected on 12/9/20 by Victor Reyes


Wahoo (Acanthocybium Solandri) Neurocranium, Emily M. Salonia, Mariah Medina, David W. Kerstetter Nov 2020

Wahoo (Acanthocybium Solandri) Neurocranium, Emily M. Salonia, Mariah Medina, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 18.8 cm total length (TL) Wahoo (Acanthocybium solandri) collected from Dr. Kerstetter's Fisheries and Avian Ecology Laboratory at Nova Southeastern University Oceanographic Center on 31/8/20 by Emily Salonia.


Queen Snapper(Etelis Oculatus), Katelyn Digirolomo, David W. Kerstetter Nov 2020

Queen Snapper(Etelis Oculatus), Katelyn Digirolomo, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 10.5cm total length(TL) of a Queen Snapper, Etelis oculatus. Collected from Lee Be Fish in Naples Florida on September 12th 2020 by Katelyn DiGirolomo.


Lane Snapper (Lutjanus Synagris) Neurocranium, Jordan Warren, David Kerstetter Nov 2020

Lane Snapper (Lutjanus Synagris) Neurocranium, Jordan Warren, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Blackfin Tuna (Thunnus Atlanticus) Neurocranium, Chase Adam Dejarnett, David Kerstetter Nov 2020

Blackfin Tuna (Thunnus Atlanticus) Neurocranium, Chase Adam Dejarnett, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Blackfin Tuna (Thunnus atlanticus)

Neurocranium prep for Biology of Fishes coursework at Nova Southeastern University


Milkfish (Chanos Chanos) Neurocranium, Golda Stewart, David Kerstetter Nov 2020

Milkfish (Chanos Chanos) Neurocranium, Golda Stewart, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from Milkfish (Chanos chanos), collected from Foodtown on 08/09/2020 by Golda Stewart.


Functional Review And Macrostructure Of The Caecum In Ardeidae, Lola R. Mildren Nov 2020

Functional Review And Macrostructure Of The Caecum In Ardeidae, Lola R. Mildren

All HCAS Student Capstones, Theses, and Dissertations

Situated on the lower digestive tract, caeca typically project cranially from the juncture of the small and large intestine. Recent studies have proposed that the role of caeca in the avian system is to act as fermentation chambers to synthesize vitamins, modulate gut microflora, and absorb nutrients; however, functionality differs with diet. Caeca are a typical characteristic of the avian gastrointestinal tract, with varying sizes and shapes, or even rudimentary or absent in some species. Caeca are notably singular and relatively small in Ardeids. Morphometric consistency in the number and presence of caeca on the lower intestinal tract of Ardeids …


Atlantic Salmon (Salmo Salar) Neurocranium, Connor Depriest, Nadia Abeido, David Kerstetter Oct 2020

Atlantic Salmon (Salmo Salar) Neurocranium, Connor Depriest, Nadia Abeido, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

9.0 cm in length. Neurocranium scan of an Atlantic Salmon (Salmo salar). Collected from Two Bills Seafood on 04/09/20 by Nadia Abeido and Connor Depriest.


Red Lionfish (Pterois Volitans) Neurocranium, Matthew B. Edwards, David W. Kerstetter Oct 2020

Red Lionfish (Pterois Volitans) Neurocranium, Matthew B. Edwards, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from a Lionfish (Pterois volitans) collected from whole foods supermarket on 11/9/2020


Escolar (Lepidocybium Flavobrunneum) Neurocranium, Meredith M. Pratt, Katerina D. Sawickij, David W. Kerstetter Oct 2020

Escolar (Lepidocybium Flavobrunneum) Neurocranium, Meredith M. Pratt, Katerina D. Sawickij, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium prep of escolar Lepidocybium flavobrunneum obtained from longlining vessel.


Expression And Localization Of The 14-3-3 (Ywha) Protein Family Within Mammals, Neha Kumrah, Santanu De Sep 2020

Expression And Localization Of The 14-3-3 (Ywha) Protein Family Within Mammals, Neha Kumrah, Santanu De

Mako: NSU Undergraduate Student Journal

The 14-3-3 (YWHA) are a family of homologous, acidic, and highly conserved proteins expressed abundantly and ubiquitously in a wide array of organisms ranging from plants to animals, including humans, which regulate important cellular events. Within mammals, seven isoforms of 14-3-3 exist: β, γ, ε, ζ, η, τ, and σ (stratifin), each of which is encoded by a unique gene. Studies have shown similar expression patterns among mammalian species. The 14-3-3 proteins are commonly expressed and have proven to play critical roles in proper cellular localization, function, and homeostatic regulation. Numerous researchers have investigated the expression and localization patterns of …


Algal Coverage Detection And Classification Using Envi: Correlation With Dissolved Oxygen Levels In Elkhorn Slough, Ca, Jason Dawson Aug 2020

Algal Coverage Detection And Classification Using Envi: Correlation With Dissolved Oxygen Levels In Elkhorn Slough, Ca, Jason Dawson

All HCAS Student Capstones, Theses, and Dissertations

Estuaries are exposed to varying stressors, whether they be physical, chemical, or environmental. The most notable of stressors is eutrophication of coastal and inland ecosystems. This is a result of increased supply of nutrients fueling production within the system. One outcome of this increased nutrient load to the system is that of algal blooms. These blooms can impact the aesthetic appearance and degrade the quality of health of the system. Many of these coastal zones and waterways are critical habitats for many biological (some endangered) species and serve as recreational areas for human populations. Elkhorn Slough, California is one of …


To Feed Or Not To Feed: Examining The Effects Of Provisioning Tourism On Nurse Sharks In Caye Caulker, Belize, Carlee Jackson Aug 2020

To Feed Or Not To Feed: Examining The Effects Of Provisioning Tourism On Nurse Sharks In Caye Caulker, Belize, Carlee Jackson

All HCAS Student Capstones, Theses, and Dissertations

Wildlife tourism is increasing in popularity around the world, creating the need to understand alterations in animal behavior and spatial distributions that may occur due to associated anthropogenic disturbances. Nurse sharks (Ginglymostoma cirratum, Bonnaterre 1788) are commonly used for wildlife tourism within the Caye Caulker Marine Reserve in Belize. Shark and Ray Village (SRV) is a site within the reserve where nurse sharks are consistently fed by tour/snorkel boats to create an interactive experience with tourists, termed provisioning tourism. Prior to this experiment, no studies had been conducted in SRV to evaluate the impact of provisioning tourism (tourism …


Connection Between Contaminants And Marine Mammals In The Southern Ocean, Sean W. Tupper Jul 2020

Connection Between Contaminants And Marine Mammals In The Southern Ocean, Sean W. Tupper

All HCAS Student Capstones, Theses, and Dissertations

The Southern Ocean encircles the continent of Antarctica and was once thought to be unaffected by human activities. However, evidence is increasing that this region has many different contaminants that threaten the region’s marine biodiversity, including marine mammals. Many of these contaminants are heavy metals or persistent organic pollutants and enter the Southern Ocean via both natural and anthropogenic processes. The impacts posed by these contaminants vary according to their type and the organism being exposed. All species of cetaceans and pinnipeds in this study were confirmed to have been exposed to one or more the contaminants reviewed. Although research …


Predation Efficiency And Prey Choice Of Estuarine Organisms Under Varying Anthropogenic Light Types And Intensities, Carmen Montalvo Apr 2020

Predation Efficiency And Prey Choice Of Estuarine Organisms Under Varying Anthropogenic Light Types And Intensities, Carmen Montalvo

HCNSO Student Theses and Dissertations

The coastlines of Florida are becoming highly urbanized, and the growing human population is affecting many mangrove and estuarine habitats. Exploring the predation efficiency and prey choice of estuarine organisms under varying anthropogenic light types and intensities could help determine anthropogenic effects. Mangrove habitats support both relatively large predators such as Blue Striped Grunt (Haemulon sciurus) and Gray Snapper (Lutjanus griseus), and a diversity of smaller taxa that occupy lower trophic levels, including Grass Shrimp (Palaemonetes paludosus) and Mosquitofish (Gambusia holbrooki). Understanding how predation (or predation evasion) efficiencies are affected by different …


Mangrove Cuckoo, Coccyzus Minor, Neurocranium, Lola R. Mildren, David Kerstetter Dec 2019

Mangrove Cuckoo, Coccyzus Minor, Neurocranium, Lola R. Mildren, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Red Grouper Skull, Jessica Urban, Miranda Brohman, Zachery Young Nov 2019

Red Grouper Skull, Jessica Urban, Miranda Brohman, Zachery Young

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Sea Robin, Prionotus Carolinus , Neurocranium, Alexandra L. Jackson, Mia I. Andahazy, David Kerstetter Nov 2019

Sea Robin, Prionotus Carolinus , Neurocranium, Alexandra L. Jackson, Mia I. Andahazy, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Sea Robin (Prionotus Carolinus) Neurocranium, Brittany A. Malin, Mykenzee L. Munaco, David W. Kerstetter Nov 2019

Sea Robin (Prionotus Carolinus) Neurocranium, Brittany A. Malin, Mykenzee L. Munaco, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 7.7cm total length (TL) Sea Robin (Prionotus carolinus), collected from a preserved mixed-fishes set from Carolina Biological Supply Company


Sea Robin (Triglidae) Neurocranium, David W. Kerstetter, Sarah Kennedy, Kathryn Kuruoglu Nov 2019

Sea Robin (Triglidae) Neurocranium, David W. Kerstetter, Sarah Kennedy, Kathryn Kuruoglu

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Burrowing Owl (Athene Cunicularia) Cranium, Dennis A. Mandi, David Kerstetter Nov 2019

Burrowing Owl (Athene Cunicularia) Cranium, Dennis A. Mandi, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Hogfish Neurocranium, Christopher Z. Lucero, Michael A. Terlizzi, David Kerstetter Oct 2019

Hogfish Neurocranium, Christopher Z. Lucero, Michael A. Terlizzi, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Red Drum (Sciaenops Ocellatus), Alois Romanowski, David Kerstetter Oct 2019

Red Drum (Sciaenops Ocellatus), Alois Romanowski, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Red Drum (Sciaenops ocellatus) collected as-is on the beach of Anclote Key, Florida in 1999.