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Articles 1 - 30 of 37
Full-Text Articles in Zoology
Tardigrade Bio-Exploration Reproduction Research Payload, Natalie Brattain, Chloe Nissen, Kylie Nager, Peter Ulrich, Enoch Tonkine
Tardigrade Bio-Exploration Reproduction Research Payload, Natalie Brattain, Chloe Nissen, Kylie Nager, Peter Ulrich, Enoch Tonkine
Discovery Day - Daytona Beach
The Tardigrade Bio-ExplorAtion Reproduction Research Payload (tBEARR) is an external International Space Station (ISS) standardized laboratory payload module mission under development by the Embry-Riddle Orbital Research Association (ERORA), an undergraduate research organization at Embry-Riddle Aeronautical University (ERAU) in Daytona Beach, Florida. As a club-driven mission, tBEARR provides undergraduate students with hands-on experience across all phases of space research, including payload design, biological experimentation, systems integration, and mission operations. The mission is supported by a biology research team focused on stress-response biology, experimental design, and biological validation throughout ground testing, high-altitude balloon flights, and orbital operations. The primary objective of tBEARR …
Hot Cities, Cool Lizards: Do College Campuses Create Urban Oases For Wildlife?, Ethan Heck, Javier Monzon Phd
Hot Cities, Cool Lizards: Do College Campuses Create Urban Oases For Wildlife?, Ethan Heck, Javier Monzon Phd
Seaver College Research And Scholarly Achievement Symposium
Urban wildlife may experience stress due to the Urban Heat Island Effect. On the other hand, urban wildlife may experience relief, especially in arid ecosystems, due to the Urban Oasis Effect. The objective of this study was to test whether college campuses in southern California act as heat islands or oases for wildlife. We analyzed how temperature and water availability of microhabitats relate to the physiology of a widespread and common cold-blooded animal, the Western Fence Lizard (Sceloporus occidentalis). We logged environmental conditions in lizard hotspots at 11 university campuses across southern California and measured the hydration of lizards at …
Fish Community Assessment Of Goose Pond Natural Area, Macy Sparks
Fish Community Assessment Of Goose Pond Natural Area, Macy Sparks
ATU Scholars Symposium
Natural areas play an integral role in the preservation and conservation of unique ecosystems (i.e., natural wetlands). However, many natural areas have never had a biological inventory of species utilizing these areas. Goose Pond Natural Area (Conway County and Pope County, Arkansas) is one of those natural areas lacking species occurrence data. We addressed this data gap by sampling fish species across multiple habitat types (shallow woody wetland, open grassy wetland, and stream). We employed multiple gear types (mesh umbrella minnow traps, seines, gill nets, mini-fyke nets, and backpack electrofishing) in hopes of increasing species detection. Sites within the natural …
Systematics Of Disk-Winged Bats (Thyroptera), Courtney L. Klumpp
Systematics Of Disk-Winged Bats (Thyroptera), Courtney L. Klumpp
Capstone Showcase
This thesis investigates the evolutionary relationships among disk-winged bats in the genus Thyroptera, a small group of Neotropical bats known for the adhesive suction disks on their wings and feet that allow them to roost inside tightly rolled leaves. The distinctive morphology and behavior of these bats have not been extensively documented, and their phylogenetic relationships remain only partially resolved. The goal of this research is to better understand how these species are related to one another and to determine whether the five recognized species of Thyroptera form a single monophyletic group. To address this question, morphological and genetic …
Insights Into Past Extreme Environments Through Ancient Biomolecules, Ioana Nicoleta Meleg, Magdalena Năpăruş-Aljancic, Yuichi Naito, Hervé Bocherens, Axel Barlow
Insights Into Past Extreme Environments Through Ancient Biomolecules, Ioana Nicoleta Meleg, Magdalena Năpăruş-Aljancic, Yuichi Naito, Hervé Bocherens, Axel Barlow
FRONTIERS UNBOUND: Exploring Extreme Environments
No abstract provided.
Effectiveness Of Frog Skin Secretions Against Uv-B Radiation, Connor Mcgaha, Kinkade Mcmurray, Lee B. Kats
Effectiveness Of Frog Skin Secretions Against Uv-B Radiation, Connor Mcgaha, Kinkade Mcmurray, Lee B. Kats
Seaver College Research And Scholarly Achievement Symposium
As an increasing number of their species face possible extinction, amphibian populations have been steadily declining over the past decades (IUCN). While various factors have been suggested or proven to be partially responsible for this reduction, increased ultraviolet B radiation (UVBR) appears to be one of the more prominent explanations, especially when considering the continual thinning of the Earth’s ozone layer due to anthropogenic climate change. However, it has also been discovered that skin secretions, which are reported to function as a component of amphibians’ innate immune systems, may have an effect on UVBR (Cramp and Franklin). With this in …
Acoustic Sampling Of Arkansas Bat Species Richness Across Different Seasons And Habitats, Lark E. Sybrant
Acoustic Sampling Of Arkansas Bat Species Richness Across Different Seasons And Habitats, Lark E. Sybrant
ATU Scholars Symposium
Arkansas is home to sixteen bat species belonging to the Vespertilionidae and Molossidae families. Bats are keystone species and provide numerous ecosystem services that also benefit people. This study explores factors that impact species richness between the spring and fall seasons in a wooded rural site (Washburn Park) and an urban field site (Arkansas Tech University campus), Russellville, AR. The non-invasive Echo Meter Touch 2 Pro, from Wildlife Acoustics, was used to record calls and identify bat species from these locations. Nearly 1,050 calls were recorded from 11 different species across the spring and fall between both sites. Results showed …
White Blood Cell Make Up In Kellback Snake Offspring Of Varying Maternal Size, Angelica Mccoy
White Blood Cell Make Up In Kellback Snake Offspring Of Varying Maternal Size, Angelica Mccoy
Symposium of Student Scholars
The immune system is composed of various organs, systems, and other components with one of the most important being white blood cells. White blood cells are commonly separated into two scientific varieties, granulocytes and agranulocytes, which can be differentiated by the presence or absence of granules in the cytoplasm once stained on a slide. There are three granulocytes and two agranulocytes, each with a distinct function and shape. The ratio of these may impact the effectiveness of this portion of the immune system, and multiple factors could play a role in this ratio, an example being the size of an …
Anomalies In The Mitochondrial Genomes Of Members Of Aliciidae, Boloceroididae, And Gonactiniidae (Actiniaria:Metridioidea), Isabel Pen
2023 Midwest Ecology & Evolution Conference
Analysis of gene sequences from three mitochondrial and two nuclear genes for a broad sampling of actiniarian taxa proposed a novel grouping of the families Aliciidae, Boloceroididae, and Gonactiniidae. (Rodríguez et al., 2014). Although previously unlinked, the association of these taxa was credible given the consistency of the genetic data and the shared occurrence of anatomical traits, including complex column structures (Aliciidae and Boloceroididae), tentacular sphincters (Boloceroididae and Gonactiniidae), and retention of juvenile musculature in adults (Boloceroididae and Gonactiniidae). Although the mitochondrial genome structure of actiniarians is generally conserved, complete mitochondrial genomes identify unusual gene orders (Alicia sansibarensis: …
Anthropogenic Influences Of Play In The Green Monkeys Of Barbados, Rose Amrhein
Anthropogenic Influences Of Play In The Green Monkeys Of Barbados, Rose Amrhein
2023 Midwest Ecology & Evolution Conference
There are multiple theories behind the evolutionary origins and functions of play behavior in the animal kingdom, all with varying levels of support. Some argue play originated as a byproduct of individuals having excess energy in a resource-rich environment while others argue it arose as a way for young individuals to enhance the physical and mental skills needed to survive into adulthood. Many believe that both these theories are coexisting and applicable to some degree. However, previous play studies usually focused on one group of organisms, failing to consider how animals’ environment directly impacts the structure of their play and …
Rehabilitating An Aging Ichthyology Collection And Turning Into An Effective Teaching Tool For Organismal Biology, Emmy Delekta
Rehabilitating An Aging Ichthyology Collection And Turning Into An Effective Teaching Tool For Organismal Biology, Emmy Delekta
2023 Midwest Ecology & Evolution Conference
Natural history collections are crucial for understanding the world’s biodiversity. These collections also hold important value in educating students about biodiversity, particularly phenotypic diversity. The University of Louisville (UofL) Department of Biology holds a natural history collection, a wet collection of preserved fishes, that appears to have been maintained up through the 1990s. However, due to shifts in funding priorities and faculty interests, much of the collection was relocated and what remains has been neglected for many years. Here, we describe our efforts to rehabilitate, revitalize, and digitize what is left of UofL’s ichthyology collection - transforming it into a …
Habitiat Structure And Ecomorphology Of Fishes In Neotropical Blackwater Creeks., Devya Hemraj-Naraine
Habitiat Structure And Ecomorphology Of Fishes In Neotropical Blackwater Creeks., Devya Hemraj-Naraine
2023 Midwest Ecology & Evolution Conference
Freshwater ecosystems provide habitat for a diversity of aquatic flora and fauna. However, anthropogenic activities like mining and pollution alters aquatic habitats and the ecosystem services they provide. In South America, which hosts one quarter of all freshwater fish species, aquatic habitats are under considerable encroachment from human development. We surveyed nine blackwater creeks tributary to the Demarara River along a major Highway in Guyana to determine whether fish morphology and community structure correlate with habitat characteristics among sites with different degrees of human impact. Twenty-three morphological traits were measured on 3-5 adult specimens of each species. The most abundant …
Functional Implications Reflected In Neurocranial Morphology Of Lamniform Sharks (Elasmobranchii: Lamniformes), Jake J. Wood
Functional Implications Reflected In Neurocranial Morphology Of Lamniform Sharks (Elasmobranchii: Lamniformes), Jake J. Wood
2023 Midwest Ecology & Evolution Conference
Lamniform sharks (Elasmobranchii: Lamniformes) display diverse habitat preferences and lifestyles. Based on museum specimens and published illustrations, we examined the proportion of the anteroposterior length of the rostral, olfactory, optic, and otic regions with respect to the neurocranial length in each lamniform species as a proxy of relative importance of each sensory region (electroreception, olfaction, vision, and ‘coordination’) to its lifestyle. We show that: 1) Carcharias and Megachasma (ragged-tooth and megamouth) have short rostral and large otic regions indicative of slower-swimming pelagic lifestyles with elevated coordination for balancing in the water column; 2) Alopias pelagicus, A. vulpinus, …
Repeatability And Distribution Of Behavior Types Over Time And Across Populations In Free-Ranging Adult And Juvenile Ornate Box Turtles (Terrapene Ornata), Abigail Trautman
Repeatability And Distribution Of Behavior Types Over Time And Across Populations In Free-Ranging Adult And Juvenile Ornate Box Turtles (Terrapene Ornata), Abigail Trautman
2023 Midwest Ecology & Evolution Conference
As studies continue to investigate inter-individual variation, it is becoming increasingly evident that individual animals have their own unique behavior type (personality; repeatable behaviors over time and context) that persists throughout their life. Behavior is simply different forms of motion, and a behavior type influences which motions (behaviors) are most likely to be on display. Behavioral types can influence resource acquisition, predation risk, and mating opportunities and thus can directly influence the fitness of any given individual. In this study, we examine the behavior types of free-ranging adult ornate box turtles (Terrapene ornata), including their repeatability and variation …
Growth, Sexual Dimorphism And Resource Allocation In The Túngara Frog, Kaitlyn D. Tonnu
Growth, Sexual Dimorphism And Resource Allocation In The Túngara Frog, Kaitlyn D. Tonnu
Pacific Undergraduate Research and Creativity Conference (PURCC)
No abstract provided.
Does Cortisol Respond To A Social Perturbation In Captive Bonobos?, Tiffany Ly
Does Cortisol Respond To A Social Perturbation In Captive Bonobos?, Tiffany Ly
Symposium of Student Scholars
All animals are influenced by their environment. For social species, this means that changes in group size or composition can have long-lasting effects on survival or reproduction. When these social species are placed in captivity and new individuals are introduced suddenly by zookeepers or researchers, these events can lead to stress by changing established dominance hierarchies. For example, these interactions can cause stress hormones—like cortisol in primates and humans—to be released in response to meeting unfamiliar individuals. We took advantage of an introduction event happening at a captive research and conservation facility to better understand how introducing a new female …
A Reevaluation Of The Phylogeography Of The Chattahoochee Slimy Salamander (Plethodon Chattahoochee) Using Next-Generation Genomic Data, Jadin Cross
Symposium of Student Scholars
The Plethodon glutinosus species complex is a group of large-bodied, lungless salamanders that are widespread across the eastern United States. Species in this group are morphologically cryptic and were originally delimited using allozyme data, but in most cases, the extent of contemporary gene flow between named taxa has not be rigorously evaluated. The Appalachian Mountains of northern Georgia are home to several members of this group—including P. glutinosus, P. teyahalee, P. chlorobryonis, and P. chattahoochee. P. chattahoochee has been found to be especially cryptic both morphologically and genetically as both intraspecific genetic variation and species boundaries within …
Laryngeal Vocals In Old World Locals: Air Sacs Usage In Bonobos, Chelsea Trenbeath
Laryngeal Vocals In Old World Locals: Air Sacs Usage In Bonobos, Chelsea Trenbeath
Symposium of Student Scholars
Except for humans, extant great apes have evolutionarily conserved lateral ventricular air sacs extending from laryngeal saccules. Humans are the only species of Hominidae that lack this anatomical feature attached to the primary vocal apparatus. As we are the only species that produces spoken language, this association has led to hypothesis that the loss of lateral ventricular air sacs was necessary for the evolution of spoken language. However, why these sacs are conserved in all other hominids remains unclear. Computer modeling has indicated that air sacs may increase resonance properties, but there are no data from great apes indicating which …
Decline In Amphibian Health In Local Stream, Elyse Vetter, Elise Dearment, Colton Russell, Audrey Fontes, Lee Kats
Decline In Amphibian Health In Local Stream, Elyse Vetter, Elise Dearment, Colton Russell, Audrey Fontes, Lee Kats
Seaver College Research And Scholarly Achievement Symposium
Many local streams of the Santa Monica Mountains are populated by the native California Newt, Taricha torosa, a species of special concern. Arroyo Sequit is one of these streams, the upper and lower portions of which are split by a culvert and the Mulholland Highway. This stream and the surrounding areas burned during the Woolsey fire of 2018. Since the fire, construction has been ongoing in and around the stream. Two years post-fire (during the summer of 2020) significantly more newts were found in the stream than years prior. A large proportion of these newts were unhealthy in appearance, …
Conspecific Aggression Of Invasive Crayfish, P. Clarkii, In Response To Chemical Cues, Elyse Vetter, Elise Dearment, Audrey Fontes, Gary Bucciarelli, Lee Kats
Conspecific Aggression Of Invasive Crayfish, P. Clarkii, In Response To Chemical Cues, Elyse Vetter, Elise Dearment, Audrey Fontes, Gary Bucciarelli, Lee Kats
Seaver College Research And Scholarly Achievement Symposium
Red Swamp Crayfish, Procambarus clarkii, have caused vast damage to the stream ecosystem of the Santa Monica Mountains, following their invasive introduction. Through their extensive eating habits, high levels of aggression, and responsiveness to environmental stimuli, P. clarkii have a tremendous impact on the success of native species in the Santa Monica Mountains. With exposure to chemical cues, crayfish are able to perceive threats and react accordingly. To determine the extent of such chemoreception, pairs of P. clarkii were tested in the laboratory for conspecific aggression in the presence of native newt, native frog, and conspecific alarm cues. The …
The Effects Of Symbiote Ostracods On Invasive Crayfish Behavior, Audrey Fontes, Elyse Vetter, Gary Bucciarelli, Lee Kats
The Effects Of Symbiote Ostracods On Invasive Crayfish Behavior, Audrey Fontes, Elyse Vetter, Gary Bucciarelli, Lee Kats
Seaver College Research And Scholarly Achievement Symposium
Invasive crayfish, Procambarus clarkii, are known to negatively impact the biodiversity of Santa Monica Mountain streams. Small symbiotes, ostracods, live on Procambarus clarkii in some local streams. However, their effect on the behaviour of invasive crayfish is unknown. We used an aqueous chlorobutanol solution to remove ostracods from crayfish. We paired control crayfish with those that had ostracods removed and scored aggressive interactions. Crayfish without ostracods were found to be significantly more aggressive towards crayfish with ostracods. When we compared feeding behavior, we found that crayfish without ostracods consumed food more quickly than control crayfish. We again subjected crayfish …
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Scholars Week
Life history morph, sex, and body condition are traits that may influence stress within salamander populations because of differences in physiology and environmental conditions. Given widespread declines and the effects chronic stress can have on amphibian health, it is important to understand within-population drivers of stress and how population level variation may influence population viability. Thus, the objective of our study was to assess how corticosterone varies within the Arizona tiger salamander (Ambystoma mavortium nebulosum) population at the Mexican Cut Nature Preserve. We used a non-invasive skin swabbing method to collect baseline and elevated corticosterone from paedomorph (aquatic …
Understanding Relationships Between Stress, Snake Fungal Disease, And Parasitism In Wild Cottonmouth Snake Populations, Emma Fehlker Campbell
Understanding Relationships Between Stress, Snake Fungal Disease, And Parasitism In Wild Cottonmouth Snake Populations, Emma Fehlker Campbell
Scholars Week
Chronically raised stress levels are known to correlate with decreased immune function in vertebrates, possible leading to increased susceptibility to infections including parasitism and Snake Fungal Disease (SFD). Helminth endoparasites and Hemoparasites are frequently found in wild populations but little is known about their physiological effects. Additionally, parasite infection may have interactive effects with diseases including SFD. To our knowledge few studies have assessed potential interactions between SFD and parasites in snakes. Thus, the objective of our study is to assess the individual and interactive effects of Helminth endoparasites, hemoparasites, and snake fungal disease on cottonmouth physiological stress. We are …
Diamondback Terrapin Population Distribution And Nesting Areas In Coastal Georgia, Grace Clements, Joseph Butler Phd
Diamondback Terrapin Population Distribution And Nesting Areas In Coastal Georgia, Grace Clements, Joseph Butler Phd
Showcase of Osprey Advancements in Research and Scholarship (SOARS)
The terrapin population range is small and the research is scarce. Surveil of the entire Georgia coast is the overarching goal of the research and the past four years have already resulted in 60% percent of the state completed and 1500 records accomplished. Coverage of the coastline will be continued in 2019 in the southernmost county, Cambden, and in 2020 completing the research in the northernmost county, Chathman. Diamondback terrapins are the only turtle to prefer brackish water habitats and are the first to be affected by sea level rising. Crab pots are a main factor in terrapin mortality. When …
What Do Alligators Eat On Golf Courses?, Eli R. Beal, Adam E. Rosenblatt
What Do Alligators Eat On Golf Courses?, Eli R. Beal, Adam E. Rosenblatt
Showcase of Osprey Advancements in Research and Scholarship (SOARS)
Urbanization is an ever-increasing threat to wildlife and their natural habitats, yet research has been limited to a small number of taxa and very few large predator species. The American alligator (Alligator mississippiensis) is an apex predator across the southeast U.S. and has surprisingly received minimal attention within urban areas. To investigate the potential effects of land development on alligator trophic ecology, we performed gut content analysis on golf course alligators found on Jekyll Island, Georgia. We then made comparisons with alligators found in more natural areas on Sapelo Island, Georgia. In total, we collected stomach content samples from 25 …
Surveying Furbearer Populations With Trail-Cameras At The Piedmont National Wildlife Refuge, Georgia, Patrick M. Powers 9761971
Surveying Furbearer Populations With Trail-Cameras At The Piedmont National Wildlife Refuge, Georgia, Patrick M. Powers 9761971
Georgia College Student Research Events
The use of cameras in wildlife studies has increased significantly in recent years. Motion activated cameras, often referred to as “trail-cameras” offer a unique advantage in that they allow the monitoring of an animal populations without physical capture. Numerous small mammal studies have used trail-camera technology to successfully collect data regarding species occurrence, habitat selection, and behavioral patterns. The objectives of this study are to obtain information regarding population size and habitat preference for furbearers on the Piedmont National Wildlife Refuge (PNWR), located in central Georgia. One of the mandates for the Federal Wildlife Refuge system is to manage for …
Evaluating Opinions Of Kentucky’S Agri-Science Educators On Climate Change, Emily Cook
Evaluating Opinions Of Kentucky’S Agri-Science Educators On Climate Change, Emily Cook
Scholars Week
Climate Change is the significant long term changes in the weather and temperatures on a large scale and is seen globally. Scientists have been studying the effects of Climate Change on the planet for decades; foreseeing problems of the future. Global Warming has been escalating over the past hundred years with the amount of Carbon Dioxide gases rising into to atmosphere at an alarming rate. Agri-Science Educators across Kentucky are teaching the topics of Climate Change and Global Warming and this research intends to find the truth and variances in their knowledge. Twenty educators from across the state of Kentucky …
Impact Of Intrinsic Physiological Factors In The Population Recovery Of Myotis Lucifugus (Little Brown Myotis) From White-Nose Syndrome, Caroline Burke, Caitlin Looney, Alissah Sillah, Christopher Richardson
Impact Of Intrinsic Physiological Factors In The Population Recovery Of Myotis Lucifugus (Little Brown Myotis) From White-Nose Syndrome, Caroline Burke, Caitlin Looney, Alissah Sillah, Christopher Richardson
Lesley University Community of Scholars Day
White-nose Syndrome (WNS) has decimated populations of hibernating bats in the US. In particular, Myotis lucifugus (little brown myotis) has been one of the most affected. We investigated the energetic cost of innate immune response and Pseudogymnoascus destructans (Pd) fungal activity on post-hibernating little brown myotis and the link with the recovery of local populations in New England from WNS. We captured bats at one of each of 4 colonies in Eastern Massachusetts and Southern New Hampshire, consecutively, every 14 days to minimize disturbance to the colony. Blood samples were collected from each bat. Respirometry trials were performed on each …
Courtship Behavior, Communication, And Copulation In Tigrosa Annexa, Samuel White
Courtship Behavior, Communication, And Copulation In Tigrosa Annexa, Samuel White
Scholars Week
The evolution of multimodal communication, where signalers use multiple signal components in multiple sensory modalities, has become the subject of investigation by many researchers. Signaling puts males at risk of predation, so why do males of some species evolve extra signals that may increase this risk? In some wolf spider species, males incorporate many visual and vibrational signals into a display that they use to attract a female for mating. Female spiders are often aggressive toward courting males and so the male display also functions to decrease the odds of cannibalism. Female wandering spiders deposit silk containing pheromones that communicate …
Modeling Elemental Constraints Across Aquatic Food Webs, Md Nazmul Hassan, Angela Peace
Modeling Elemental Constraints Across Aquatic Food Webs, Md Nazmul Hassan, Angela Peace
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.