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Articles 61 - 90 of 330
Full-Text Articles in Zoology
Observational Study Of Woolly Monkey Behavior And Vocalizations: Behavioral Time Allotment And Vocalization Habits Of A Small Population Of Poeppig’S Woolly Monkey (Lagothrix Lagotricha Poeppigii) In The Ecuadorian Amazon, Marina Smith-Hanke
Independent Study Project (ISP) Collection
Poeppig’s woolly monkey (Lagothrix lagotricha poeppigii), a species of primate native to the Amazonian regions of western Brazil, eastern Ecuador, and northeastern Peru, is classified as endangered by the IUCN. These large, frugivorous primates are threatened by habitat loss and climate change as a result of human interference. Deforestation, hunting, petroleum mining, and illegal trafficking are all huge threats to this species. As a result of these pressures, their populations have decreased by at least 30% over the past three generations. However, as keystone seed dispersers, they are essential for Amazonian ecosystem health; without their seed dispersal services, a loss …
Report Of Thanatosis In The Central American Scorpions Tityus Ocelote And Ananteris Platnicki (Scorpiones: Buthidae), Felipe Triana, Fabián Bonilla, Adriana Alfaro-Chinchilla, Carlos Víquez, Cecilia Díaz, Mahmood Sasa
Report Of Thanatosis In The Central American Scorpions Tityus Ocelote And Ananteris Platnicki (Scorpiones: Buthidae), Felipe Triana, Fabián Bonilla, Adriana Alfaro-Chinchilla, Carlos Víquez, Cecilia Díaz, Mahmood Sasa
Euscorpius
Thanatosis, or tonic immobility, is a behavior where animals adopt a motionless posture after a physical contact or very close proximity of a predator. This behavior has been described in a wide range of taxa, from invertebrates to vertebrates. For scorpions, tonic immobility has been reported in two buthids, Tityus pusillus and Tityus cerroazul, one hormurid, Liocheles australasiae, and one scorpiopsid, Scorpiops jendeki. Here we report other cases of this thanatosis for two buthid scorpions from lower Central America: Tityus ocelote and Ananteris platnicki. Thanatosis in these species were observed in wild, but was better documented …
Seasonal Habitat Selection By American White Pelicans, Frederick L. Cunningham, Guiming Wang, D. Tommy King
Seasonal Habitat Selection By American White Pelicans, Frederick L. Cunningham, Guiming Wang, D. Tommy King
United States Department of Agriculture Wildlife Services: Staff Publications
Resource utilization strategies of avian migrants are a major concern for conservation and management. Understanding seasonal habitat selection by migratory birds helps us explain the ongoing continental declines of migratory bird populations. Our objective was to compare the secondorder and third-order habitat selection by the American White Pelican (Pelecanus erythrorhynchos; hereafter pelican) between the breeding and non-breeding grounds. We tested the Lack hypothesis that habitat selection by migratory birds is stronger on the breeding grounds than on the nonbreeding grounds. We used random-effect Dirichlet-multinomial models to estimate the second-order habitat selection between the seasons with the GPS locations …
Effects Of Early‑Life Experience On Innovation And Problem‑Solving In Captive Coyotes, Andrew C. Garcia, Mitchell A. Parsons, Julie K. Young
Effects Of Early‑Life Experience On Innovation And Problem‑Solving In Captive Coyotes, Andrew C. Garcia, Mitchell A. Parsons, Julie K. Young
United States Department of Agriculture Wildlife Services: Staff Publications
Early-life experience often shapes behaviors like innovation and exploration. These behaviors are important to animals encountering novel food resources in diverse habitats, such as mesocarnivores in urban areas. To understand if early-life experiences impact later-life behavior, we examined how coyotes (Canis latrans) responded to a multi-access puzzle box at two life stages: pup (~ 7 weeks) and dispersal (~ 10 months). We first exposed pups, still living with their parents and littermates, to a baited puzzle box. At dispersal age, we again tested both these pups and an age-matched control group that was not exposed to the puzzle …
Status Of Barking Owl Ninox Connivens In South-West Australia, Robert A. Davis, Leo Joseph, Ronald E. Johnstone
Status Of Barking Owl Ninox Connivens In South-West Australia, Robert A. Davis, Leo Joseph, Ronald E. Johnstone
Research outputs 2022 to 2026
Barking Owl Ninox connivens has two recognised subspecies in Australia: N. c. connivens and N. c. peninsularis. N. c. connivens currently includes the isolated south-west Australian population, which is separated from eastern populations by the Nullarbor Plain and from N. c. peninsularis to the north. N. c. connivens in south-west Australia occurs from near Perth in the north, east to Northam and south-east to Katanning and Bremer Bay; it has been treated subspecifically as N. c. addendaMathews, 1912, but this name is not currently in use. Given concern over the apparent rarity of the south-west Australian population, we sought to …
Subscription And Organization Information
Subscription And Organization Information
Nebraska Bird Review
logists’ Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $25 in the United States and $35 in all other countries, payable in advance. Single copies are $7 each, postpaid, in the United States and $9 elsewhere. Send orders for back issues to Anita Breckbill, NOU Librarian, c/o Music Library, WMB 30, University of Nebraska, Lincoln, NE 68588-0101 (or at the email address listed below). Memberships in the NOU (on a calendar-year basis only): Active Household (one or more people) $25; Sustaining Household (one or …
Summer Field Report, June-July 2022, W. Ross Silcock
Summer Field Report, June-July 2022, W. Ross Silcock
Nebraska Bird Review
As always, the summer season produces surprises, and this year was no exception. Surprises fall into different categories, though: genuine statewide rarities, within-state distributional rarities, and, of course in summer, nesting records at new locations, population notes, late and early dates and high numbers, increased knowledge about subspecies in the state, and miscellaneous things of interest. These categories are covered separately below after some housekeeping comments.
“Genuine statewide rarities” were led by the first state record Limpkin found by Karen Kader and seen by many in Sarpy Co. Potential 2nd or so state records were a Mexican Duck in Scotts …
2021 (33rd) Report Of The Nou Records Committee, Mark A. Brogie
2021 (33rd) Report Of The Nou Records Committee, Mark A. Brogie
Nebraska Bird Review
The functions and methods of the Nebraska Ornithologists’ Union Records Committee (NOURC) are described in its bylaws (NOURC 2010). The committee’s purpose is to provide a procedure for documenting unusual bird sightings and to establish a list of all documented birds for Nebraska. Species for which the NOURC seeks documentation (NOURC Review List) can be found at the NOU website www.NOUbirds.org. Starting in 2020, the NOURC decided to deal mainly with those species deemed as Accidental on the “Official List of the Birds of Nebraska”. Casual species and out-of- range species are now summarized in the “Seasonal Reports” of the …
The Nebraska Bird Review. Volume 90 September 2022 Number 3
The Nebraska Bird Review. Volume 90 September 2022 Number 3
Nebraska Bird Review
Summer Field Report, June - July 2022 by W. Ross Silcock ….90
2021 (33rd) Report of the NOU Records Committee by Mark A. Brogie … 113
Subscription and Organization Information … 123
Terror En El Orinoco: Formas Del Espanto Animal Y Vegetal En La Historia Natural De José Gumilla, Roberto E. Martinez Bachrich
Terror En El Orinoco: Formas Del Espanto Animal Y Vegetal En La Historia Natural De José Gumilla, Roberto E. Martinez Bachrich
Dissertations, Theses, and Capstone Projects
“Terror in the Orinoco: Forms of Animal and Plant Horror in the Natural History of José Gumilla”, analyzes the repertoire of terrifying plants and animals that the Spanish Jesuit missionary José Gumilla described in his 1745 compendium El Orinoco Ilustrado y Defendido —a work that, surprisingly, has not been read from the perspective of animal and plant studies. Based on Spanish old models of the natural history of the Indies (Fernández de Oviedo, Acosta), Gumilla reconstructs an archive of monstrous beings (alligators, piranhas, snakes, poisonous plants) that challenges old medieval religious discourses when confronted with the nascent illustrated discourses. My …
Divergent Neural And Endocrine Responses In Wild-Caught And Laboratory-Bred Rattus Norvegicus, Joanna Jacob, Sally Watanabe, Jonathan Richardson, Nick Gonzales, Emily Ploppert, Garet Lahvis, Aaron Shiels, Sadie Wenger, Kelly Saverino, Janhavi Bhalerao, Brendan Crockett, Erin Burns, Olivia Harding, Krista Fischer-Stenger, Kelly Lambert
Divergent Neural And Endocrine Responses In Wild-Caught And Laboratory-Bred Rattus Norvegicus, Joanna Jacob, Sally Watanabe, Jonathan Richardson, Nick Gonzales, Emily Ploppert, Garet Lahvis, Aaron Shiels, Sadie Wenger, Kelly Saverino, Janhavi Bhalerao, Brendan Crockett, Erin Burns, Olivia Harding, Krista Fischer-Stenger, Kelly Lambert
United States Department of Agriculture Wildlife Services: Staff Publications
Although rodents have represented the most intensely studied animals in neurobiological investigations for more than a century, few studies have systematically compared neural and endocrine differences between wild rodents in their natural habitats and laboratory strains raised in traditional laboratory environments. In the current study, male and female Rattus norvegicus rats were trapped in an urban setting and compared to weight-and sex-matched conspecifics living in standard laboratory housing conditions. Brains were extracted for neural assessments and fecal boli were collected for endocrine [corticosterone and dehydroepiandrosterone (DHEA)] assays. Additionally, given their role in immune and stress functions, spleen and adrenal weights …
Understanding Across The Senses: Cross-Modal Studies Of Cognition In Cetaceans, Jason N. Bruck, Adam A. Pack
Understanding Across The Senses: Cross-Modal Studies Of Cognition In Cetaceans, Jason N. Bruck, Adam A. Pack
Faculty Publications
Cross-modal approaches to the study of sensory perception, social recognition, cognition, and mental representation have proved fruitful in humans as well as in a variety of other species including toothed whales in revealing equivalencies that suggest that different sensory stimuli associated with objects or individuals may effectively evoke mental representations that are, respectively, object based or individual based. Building on established findings of structural equivalence in the form of spontaneous recognition of complex shapes across the modalities of echolocation and vision and behavior favoring identity echoic–visual cross-modal relationships over associative echoic–visual cross-modal relationships, examinations of transitive inference equivalencies from initially …
Experimental Infection Of Brazilian Free-Tailed Bats (Tadarida Brasiliensis) With Two Strains Of Sars-Cov-2, Angela M. Bosco-Lauth, Stephanie M. Porter, Karen A. Fox, Mary E. Wood, Daniel Neubaum, Marissa Quilici
Experimental Infection Of Brazilian Free-Tailed Bats (Tadarida Brasiliensis) With Two Strains Of Sars-Cov-2, Angela M. Bosco-Lauth, Stephanie M. Porter, Karen A. Fox, Mary E. Wood, Daniel Neubaum, Marissa Quilici
United States Department of Agriculture Wildlife Services: Staff Publications
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is presumed to have originated from wildlife and shares homology with other bat coronaviruses. Determining the susceptibility of North American bat species to SARS-CoV-2 is of utmost importance for making decisions regarding wildlife management, public health, and conservation. In this study, Brazilian free-tailed bats (Tadarida brasiliensis) were experimentally infected with two strains of SARS-CoV-2 (parental WA01 and Delta variant), evaluated for clinical disease, sampled for viral shedding and antibody production, and analyzed for pathology. None of the bats (n = 18) developed clinical disease associated with infection, shed infectious virus, or …
Long-Term Effect Of A Gnrh-Based Immunocontraceptive On Feral Cattle In Hong Kong, Rebecca Pinkham, Ka-Kei Koon, Jason To, Jason Chan, Flavie Vial, Matt Gomm, Douglas C. Eckery, Giovanna Massei
Long-Term Effect Of A Gnrh-Based Immunocontraceptive On Feral Cattle In Hong Kong, Rebecca Pinkham, Ka-Kei Koon, Jason To, Jason Chan, Flavie Vial, Matt Gomm, Douglas C. Eckery, Giovanna Massei
United States Department of Agriculture Wildlife Services: Staff Publications
Increasing human-wildlife conflicts worldwide are driving the need for multiple solutions to reducing “problem” wildlife and their impacts. Fertility control is advocated as a non-lethal tool to manage free-living wildlife and in particular to control iconic species. Injectable immunocontraceptives, such as GonaCon, stimulate the immune system to produce antibodies against the gonadotrophin-releasing hormone (GnRH), which in turn affects the release of reproductive hormones in mammals. Feral cattle (Bos indicus or Bos taurus) in Hong Kong are an iconic species whose numbers and impacts on human activities have increased over the last decade. Previous studies have proven that a …
Long-Term Effect Of A Gnrh-Based Immunocontraceptive On Feral Cattle In Hong Kong, Rebecca Pinkham, Ka-Kei Koon, Jason To, Jason Chan, Flavie Vial, Matt Gomm, Douglas C. Eckery, Giovanna Massei
Long-Term Effect Of A Gnrh-Based Immunocontraceptive On Feral Cattle In Hong Kong, Rebecca Pinkham, Ka-Kei Koon, Jason To, Jason Chan, Flavie Vial, Matt Gomm, Douglas C. Eckery, Giovanna Massei
United States Department of Agriculture Wildlife Services: Staff Publications
Increasing human-wildlife conflicts worldwide are driving the need for multiple solutions to reducing “problem” wildlife and their impacts. Fertility control is advocated as a non-lethal tool to manage free-living wildlife and in particular to control iconic species. Injectable immunocontraceptives, such as GonaCon, stimulate the immune system to produce antibodies against the gonadotrophin-releasing hormone (GnRH), which in turn affects the release of reproductive hormones in mammals. Feral cattle (Bos indicus or Bos taurus) in Hong Kong are an iconic species whose numbers and impacts on human activities have increased over the last decade. Previous studies have proven that a …
The First Record Of Scorpiops Bhutanensis Tikader & Bastawade, 1983 From China, With The First Report Of Its Female (Scorpiones: Scorpiopidae), He-Yu Lv, Zhi-Yong Di
The First Record Of Scorpiops Bhutanensis Tikader & Bastawade, 1983 From China, With The First Report Of Its Female (Scorpiones: Scorpiopidae), He-Yu Lv, Zhi-Yong Di
Euscorpius
The first record of Scorpiops bhutanensis Tikader & Bastawade, 1983 from China (Xizang). An emended diagnosis, detailed redescription, and illustrations of the species are provided. Its female is reported here for the first time.
Impacts On Fast-Start Performance: How Do Group Size And Habitat Degradation Alter The Escape Behavior Of A Schooling Coral Reef Fish?, Monica D. Bacchus
Impacts On Fast-Start Performance: How Do Group Size And Habitat Degradation Alter The Escape Behavior Of A Schooling Coral Reef Fish?, Monica D. Bacchus
All HCAS Student Capstones, Theses, and Dissertations
Escaping predation is essential for species survival, but prey must effectively match their response to the perceived threat imposed by a predator. Fish evaluate their surroundings using several sensory stimuli, including olfactory, visual, auditory, and mechanical cues. A range of taxa use the fast-start response to evade predators, including fishes, sharks, and larval amphibians. While the fast-start response (rapid bursts of swimming) is extensively studied in solitary fishes, the factors that mediate the collective escape response in schools of fish have historically been investigated far less. To address this knowledge gap, the collective escape behavior and individual escape performance of …
A Checklist Of Parasites Of Peromyscus Maniculatus In North America, John Ubelaker, Gábor R. Rácz
A Checklist Of Parasites Of Peromyscus Maniculatus In North America, John Ubelaker, Gábor R. Rácz
MANTER: Journal of Parasite Biodiversity
This document represents a summary of parasites, in the broadest sense of the term, reported from Peromyscus maniculatus from throughout its range in North America. The document provides data from work ranging from paleontological findings to relatively current reports of parasites and parasitism from P. maniculatus and covers viruses, bacteria sensu lato, protists, helminths, and ectoparasites.
Scorpions Of The Horn Of Africa (Arachnida, Scorpiones). Part Xxviii. Scorpions Of Djibouti, František Kovařík, Graeme Lowe
Scorpions Of The Horn Of Africa (Arachnida, Scorpiones). Part Xxviii. Scorpions Of Djibouti, František Kovařík, Graeme Lowe
Euscorpius
All scorpion species known from Djibouti are listed, with color photographs and maps of their distribution. Buthus awashensis Kovařík, 2011 known from Ethiopia and Somaliland is reported for the first time from Djibouti. The diagnosis of Orthochirus afar Kovařík & Lowe, 2016 is revised; O. borrii Rossi, 2017 is determined to be a junior synonym of O. afar Kovařík & Lowe, 2016 syn. n.; O. aristidis (Simon, 1882) syn. res. is returned to synonymy with O. olivaceus Karsch, 1881; and O. arenicola Lourenço & Ythier, 2021, is relegated to the status of nomen dubium. Hemiscorpius lipsae sp. n. …
Reproductive Ecology And Microbial Communities From Wood Duck Nest Boxes In Georgia And Florida, Jake Shurba
Reproductive Ecology And Microbial Communities From Wood Duck Nest Boxes In Georgia And Florida, Jake Shurba
All Theses
Wood ducks (Aix sponsa) are an important game species throughout the Atlantic Flyway that was nearly extirpated by the early 20th century due to overhunting and the loss of habitat. Wood ducks are secondary cavity-nesters that utilize artificial nest boxes and natural cavities. It is reported that the use of nest boxes is likely what led to re-establishment of the species in North America. Where boxes are numerous, overuse of boxes by multiple hens throughout a nesting season can occur and result in a buildup of bacteria, parasites and other potentially detrimental pathogens that can impact egg …
Nestedness And Modularity Of Avian Metacommunities Across Gradients Of Chesapeake Bay Island Characteristics, Grant Walter Bowers
Nestedness And Modularity Of Avian Metacommunities Across Gradients Of Chesapeake Bay Island Characteristics, Grant Walter Bowers
Biological Sciences Theses & Dissertations
Islands are not only great models for understanding the ways in which communities are linked by the dispersal of their members to form metacommunities, but are of particular interest to conservationists. One important aspect of metacommunity structure is the degree of nestedness—whether or not less speciose communities are perfect subsets of more speciose communities. Another important metric of metacommunity structure is modularity—the degree to which communities belong to modules composed of other communities that share the same species but have little species overlap with communities from different modules. Environmental gradients have received insufficient attention as predictors of metacommunity nestedness and …
Effect Of Sensory Additives On Sow Lactation Performance, Subsequent Reproductive Performance, And Nursey Pig Performance, Nathan E. Davis
Effect Of Sensory Additives On Sow Lactation Performance, Subsequent Reproductive Performance, And Nursey Pig Performance, Nathan E. Davis
Graduate Theses and Dissertations
Maximizing nutrient intake during lactation is vital to sow performance as well as litter performance. The aim of these studies was to evaluate the impact of a sensory additive on sow lactation performance and nursery pig performance. Five groups of sows were farrowed, three during winter (October, December and January) and two during summer months (June, July, August). Sows were weighed, and back fat depth was measured, at 110 d of gestation prior to entering the lactation room, and again at weaning. The sows were blocked by parity, and then allotted by BW at d 110 to Control or 0.075% …
In Vivo Efficacy Of Pyrantel Pamoate As A Post-Exposure Prophylactic For Rat Lungworm (Angiostrongylus Cantonensis), John Jacob, Argon Steel, Lisa Kaluna, Steven Hess, Israel Leinbach, Carmen Antaky, Robert Sugihara, Lindsey Hamilton, Peter Follett, Kathleen Howe, Steven Jacquier, Supakit Wongwiwatthananukit, Susan Jarvi
In Vivo Efficacy Of Pyrantel Pamoate As A Post-Exposure Prophylactic For Rat Lungworm (Angiostrongylus Cantonensis), John Jacob, Argon Steel, Lisa Kaluna, Steven Hess, Israel Leinbach, Carmen Antaky, Robert Sugihara, Lindsey Hamilton, Peter Follett, Kathleen Howe, Steven Jacquier, Supakit Wongwiwatthananukit, Susan Jarvi
United States Department of Agriculture Wildlife Services: Staff Publications
Rat lungworm (Angiostrongylus cantonensis) is a neurotropic nematode, and the leading cause of eosinophilic meningitis worldwide. The parasite is usually contracted through ingestion of infected gastropods, often hidden in raw or partially cooked produce. Pharmaceutical grade pyrantel pamoate was evaluated as a post-exposure prophylactic against A. cantonensis. Pyrantel pamoate is readily available over-the-counter in most pharmacies in the USA and possesses anthelmintic activity exclusive to the gastrointestinal tract (GIT). Administering pyrantel pamoate immediately after exposure should theoretically paralyze the larvae in the GIT, causing the larvae to be expelled via peristalsis without entering the systemic circulation. In this study, pyrantel …
Current Ecotoxicity Testing Needs Among Selected U.S. Federal Agencies, Patricia Ceger, Natalia Garcia-Reyero Vinas, David Allen, Elyssa Arnold, Raanan Bloom, Jennifer C. Brennan, Carol Clarke, Karen Eisenreich, Kellie Fay, Jonathan Hamm, Paula F.P. Henry, Katherine E. Horak, Wesley Hunter, Donna Judkins, Patrice Klein, Nicole Kleinstreuer, Kara Koehrn, Carlie A. Lalone, James P. Laurenson, Jessica K. Leet, Anna Lowit, Scott G. Lynn, Teresa Norberg-King, Edward J. Perkins, Elijah J. Petersen, Barnett A. Rattner, Catherine S. Sprankle, Thomas Steeger, Jim E. Warren, Sarah Winfield, Edward Odenkirchen
Current Ecotoxicity Testing Needs Among Selected U.S. Federal Agencies, Patricia Ceger, Natalia Garcia-Reyero Vinas, David Allen, Elyssa Arnold, Raanan Bloom, Jennifer C. Brennan, Carol Clarke, Karen Eisenreich, Kellie Fay, Jonathan Hamm, Paula F.P. Henry, Katherine E. Horak, Wesley Hunter, Donna Judkins, Patrice Klein, Nicole Kleinstreuer, Kara Koehrn, Carlie A. Lalone, James P. Laurenson, Jessica K. Leet, Anna Lowit, Scott G. Lynn, Teresa Norberg-King, Edward J. Perkins, Elijah J. Petersen, Barnett A. Rattner, Catherine S. Sprankle, Thomas Steeger, Jim E. Warren, Sarah Winfield, Edward Odenkirchen
United States Department of Agriculture Wildlife Services: Staff Publications
U.S. regulatory and research agencies use ecotoxicity test data to assess the hazards associated with substances that may be released into the environment, including but not limited to industrial chemicals, pharmaceuticals, pesticides, food additives, and color additives. These data are used to conduct hazard assessments and evaluate potential risks to aquatic life (e.g., invertebrates, fish), birds, wildlife species, or the environment. To identify opportunities for regulatory uses of non-animal replacements for ecotoxicity tests, the needs and uses for data from tests utilizing animals must first be clarified. Accordingly, the objective of this review was to identify the ecotoxicity test data …
Defining An Epidemiological Landscape That Connects Movement Ecology To Pathogen Transmission And Pace-Of-Life, Kezia Manlove, Mark Wilber, Lauren White, Guillaume Bastille-Rousseau, Anni Yang, Marie L.J. Gilbertson, Meggan E. Craft, Paul C. Cross, George Wittemyer, Kim M. Pepin
Defining An Epidemiological Landscape That Connects Movement Ecology To Pathogen Transmission And Pace-Of-Life, Kezia Manlove, Mark Wilber, Lauren White, Guillaume Bastille-Rousseau, Anni Yang, Marie L.J. Gilbertson, Meggan E. Craft, Paul C. Cross, George Wittemyer, Kim M. Pepin
United States Department of Agriculture Wildlife Services: Staff Publications
Pathogen transmission depends on host density, mobility and contact. These components emerge from host and pathogen movements that themselves arise through interactions with the surrounding environment. The environment, the emergent host and pathogen movements, and the subsequent patterns of density, mobility and contact form an ‘epidemiological landscape’ connecting the environment to specific locations where transmissions occur. Conventionally, the epidemiological landscape has been described in terms of the geographical coordinates where hosts or pathogens are located. We advocate for an alternative approach that relates those locations to attributes of the local environment. Environmental descriptions can strengthen epidemiological forecasts by allowing for …
Conservation Of Open-Canopy-Associated Wildlife: Multi-Scale Management Impacts On Imperiled Herpetofauna, Ethan Joseph Royal
Conservation Of Open-Canopy-Associated Wildlife: Multi-Scale Management Impacts On Imperiled Herpetofauna, Ethan Joseph Royal
Graduate Theses and Dissertations
The loss of open-canopy ecosystems throughout North America has precipitated declines in reptile and amphibian species associated with these habitat types. Current efforts to restore open-canopy ecosystems are underway in many areas, but the local distributions of, habitat characteristics required by and the effects of management actions on many herpetofauna species are poorly understood or entirely unknown. Research examining relationships among herpetofauna and their environments is often complicated by the extremely low detectability seen in many studies. We used landscape-scale, assemblage-level surveys to investigate the occupancy patterns and habitat associations of open-canopy-associated herpetofauna in two regions, as well as gain …
The Role Of Temperature Variation On Macrophage Physiology And Function In Vitro In Mice, Chicken, And Fish, Intisar Abdullah Hassan
The Role Of Temperature Variation On Macrophage Physiology And Function In Vitro In Mice, Chicken, And Fish, Intisar Abdullah Hassan
Graduate Theses and Dissertations
Fever is an essential component of the immune response. Baseline body temperatures vary in different species, and fever represents increased temperature over baseline. Fever initiates and enhances immune responses as well as creates an environment in which the body has advantages over pathogens. Macrophages are often the first line of cells that come in contact with pathogens, asthey reside in and traffic through tissues. They are important for their engulfment of pathogens that results in the digestion of the pathogen, and they also produce nitric oxide and cytokines that contribute to immune responses in a variety of ways, including initiating …
Ecological And Phenotypic Diversification After A Continental Invasion In Neotropical Freshwater Stingrays, Matthew Kolmann, Fernando Pl Marques, James C. Weaver, Mason N. Dean, Joao Pedro Fontenelle, Nathan R. Lovejoy
Ecological And Phenotypic Diversification After A Continental Invasion In Neotropical Freshwater Stingrays, Matthew Kolmann, Fernando Pl Marques, James C. Weaver, Mason N. Dean, Joao Pedro Fontenelle, Nathan R. Lovejoy
Faculty and Staff Scholarship
Habitat transitions are key potential explanations for why some lineages have diversified and others have not—from Anolis lizards to Darwin's finches. The ecological ramifications of marine-to-freshwater transitions for fishes suggest evolutionary contingency: some lineages maintain their ancestral niches in novel habitats (niche conservatism), whereas others alter their ecological role. However, few studies have considered phenotypic, ecological, and lineage diversification concurrently to explore this issue. Here, we investigated the macroevolutionary history of the taxonomically and ecologically diverse Neotropical freshwater river rays (subfamily Potamotrygoninae), which invaded and diversified in the Amazon and other South American rivers during the late Oligocene to early …
Optimising Response To An Introduction Of African Swine Fever In Wild Pigs, Kim M. Pepin, Vienna R. Brown, Anni Yang, James C. Beasley, Raoul Boughton, Kurt C. Vercauteren, Ryan S. Miller, Sarah N. Bevins
Optimising Response To An Introduction Of African Swine Fever In Wild Pigs, Kim M. Pepin, Vienna R. Brown, Anni Yang, James C. Beasley, Raoul Boughton, Kurt C. Vercauteren, Ryan S. Miller, Sarah N. Bevins
United States Department of Agriculture Wildlife Services: Staff Publications
African swine fever virus (ASFv) is a virulent pathogen that threatens domestic swine industries globally and persists in wild boar populations in some countries. Persistence in wild boar can challenge elimination and prevent disease-free status, making it necessary to address wild swine in proactive response plans. In the United States, invasive wild pigs are abundant and found across a wide range of ecological conditions that could drive different epidemiological dynamics among populations. Information on the size of the control areas required to rapidly eliminate the ASFv in wild pigs and how this area should change with management constraints and local …
Genetic Protocols For Dna Extraction From White-Tailed Deer Cast Antlers To Confirm Individuality, Zach Carter, Brian C. Peterson, Casey W. Schoenebeck, Kimberly A. Carlson
Genetic Protocols For Dna Extraction From White-Tailed Deer Cast Antlers To Confirm Individuality, Zach Carter, Brian C. Peterson, Casey W. Schoenebeck, Kimberly A. Carlson
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
White-tailed deer (Odocoileus virginianus) are the most sought-after deer species in America. The antlers of mammals, such as deer, are one of the fastest regenerative tissues in the world and are grown and naturally cast every year. Research on cast antlers have been used for a variety of purposes including population comparisons and impacts of deer health due to climatic stressors. When investigating cast antlers, it is important to confirm individuality of match sets in addition to antlers of the same individual between years. Therefore, individuality must be confirmed genetically, and protocols must be developed and established to …