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Articles 781 - 810 of 1122

Full-Text Articles in Biology

Park Rangers' Behaviors And Their Effects On Tourists And Tibetan Macaques (Macaca Thibetana) At Mt. Huangshan, China, Rie Usui, Lori K. Sheeran, Jin-Hua Li, Lixing Sun, Xi Wang, Alexander J. Pritchard, Alexander S. Duvall-Lash, R. Steven Wagner Sep 2014

Park Rangers' Behaviors And Their Effects On Tourists And Tibetan Macaques (Macaca Thibetana) At Mt. Huangshan, China, Rie Usui, Lori K. Sheeran, Jin-Hua Li, Lixing Sun, Xi Wang, Alexander J. Pritchard, Alexander S. Duvall-Lash, R. Steven Wagner

Biology Faculty Scholarship

Previous studies have reported the negative impacts of tourism on nonhuman primates (NHPs) and tourists and advocated the improvement of tourism management, yet what constitutes good quality management remains unclear. We explored whether rates of macaque aggression and self-directed behaviors (SDBs) differed under the supervision of two park ranger teams at the Valley of the Wild Monkeys (VWM) in Mt. Huangshan, Anhui Province, China. The two ranger teams provisioned and managed a group of macaques on an alternating monthly basis. Monkey, tourist and ranger behaviors were collected from August 16–September 30, 2012. Macaque aggression and SDB rates did not differ …


Hla Class Ii Alleles In The Otomi Population Of The Mezquital Valley. A Genetic Approach To The History Of Interethnic Migrations In The Mexican Central Plateau, Ana Itzel Juárez-Martín, Blanca Zoila González-Sobrino, Ángel Eduardo Camarena Olvera, Ramcés Falfán-Valencia Sep 2014

Hla Class Ii Alleles In The Otomi Population Of The Mezquital Valley. A Genetic Approach To The History Of Interethnic Migrations In The Mexican Central Plateau, Ana Itzel Juárez-Martín, Blanca Zoila González-Sobrino, Ángel Eduardo Camarena Olvera, Ramcés Falfán-Valencia

Human Biology Open Access Pre-Prints

From a historic and genetic point of view, the Otomi of the Mezquital Valley are a frontier people that have played an important role in the making of the population dynamics of the Mexican Central Plateau. Due to their antiquity in the area, the Otomi may be bearers of ancient genetic variability, shared mainly today with other groups belonging to the Otomanguean linguistic family and with the Nahua.

This study analyzes the HLA class II allele frequencies reported in Mexican indigenous populations, in order to provide an intra-regional level historical perspective of the genetic relationships between the Otomi of the …


The Ontogeny Of Whistle Production In Infant Atlantic Bottlenose Dolphins (Tursiops Truncatus) During The First Thirty Days Of Life, Brittany Leigh Jones Aug 2014

The Ontogeny Of Whistle Production In Infant Atlantic Bottlenose Dolphins (Tursiops Truncatus) During The First Thirty Days Of Life, Brittany Leigh Jones

Master's Theses

The manner in which dolphin calves acquire their whistle repertoire is largely unknown. This paper focuses on whistle development in four bottlenose dolphin calves during the first thirty days of life in order to increase our understanding of the early emergence of whistles and whistle-like vocalizations. The acoustic parameters of whistle-type vocalizations (i.e., whistles and whistlesquawks) that coincided with a bubblestream emission from the focal calf and/or its mother were analyzed, as were the behavioral states of the mother-calf pair during the emission of such vocals. Mother and calf whistle rates are inversely related, with the mother whistling more often …


The Effects Of Radar On Avian Behavior: Implications For Wildlife Management At Airports, Eleanor R. Sheridan Jul 2014

The Effects Of Radar On Avian Behavior: Implications For Wildlife Management At Airports, Eleanor R. Sheridan

Open Access Theses

Airports are areas with a high availability of resources for wildlife to forage, breed, and roost. Airports also have different types of radars to assist with air traffic control as well as tracking of wildlife that could become a risk for aircraft. The effect of radar electromagnetic radiation on wildlife behavior is not well understood. The goal of this study was to determine if bird behavior is affected by radar in two contexts: static radar (e.g., surveillance radar) and approaching radar (e.g., aircraft weather radar). We used brown-headed cowbirds as a model species. In the static radar context, we performed …


Internet Reviews: Iucn Red List Of Threatened Species, John Creech Jul 2014

Internet Reviews: Iucn Red List Of Threatened Species, John Creech

Library Scholarship

This review evaluates the International Union for Conservation of Nature (IUCN)'s Red List of Threatened Species (available at http://www.iucnredlist.org).


Habitat Effects On Chick-A-Dee Call Complexity, Jacqueline Renee Lynch Jul 2014

Habitat Effects On Chick-A-Dee Call Complexity, Jacqueline Renee Lynch

Open Access Theses

Past studies on the communication systems of species in urban environments (such as Common Starlings (Sturnus vulgaris), nightingales (Luscinia megarhynchos Brehm), brown-headed cowbirds ( Molothrus ater), Southern brown tree frogs (Litoria ewingii )) have shown multiple ways that species change vocal signaling behavior to adjust to urban habitats (e.g. alarm calls and singing). This study further investigates the changes in signaling in relation to the chick-a-dee call of the Carolina chickadee (Poecile carolinensis). A secondary goal of this study was to compare both the amount of information and rate of calling across …


Across-Year Social Stability Shapes Network Structure In Wintering Migrant Sparrows, Daizaburo Shizuka, Alexis S. Chaine, Jennifer Anderson, Oscar Johnson, Inger Marie Laursen, Bruce E. Lyon Jul 2014

Across-Year Social Stability Shapes Network Structure In Wintering Migrant Sparrows, Daizaburo Shizuka, Alexis S. Chaine, Jennifer Anderson, Oscar Johnson, Inger Marie Laursen, Bruce E. Lyon

School of Biological Sciences: Faculty Publications

Migratory birds often form flocks on their wintering grounds, but important details of social structure such as the patterns of association between individuals are virtually unknown. We analysed networks of co-membership in short-term flocks for wintering golden-crowned sparrows (Zonotrichia atricapilla) across three years and discovered social complexity unsuspected for migratory songbirds. The population was consistently clustered into distinct social communities within a relatively small area (~ 7 ha). Birds returned to the same community across years, with mortality and recruitment leading to some degree of turnover in membership. These spatiotemporal patterns were explained by the combination of space …


Early Developmental Impacts On Male Traits And Female Preference In Zebra Finches (Taeniopygia Guttata), Martyna Boruta Jun 2014

Early Developmental Impacts On Male Traits And Female Preference In Zebra Finches (Taeniopygia Guttata), Martyna Boruta

USF Tampa Graduate Theses and Dissertations

Some male sexually selected traits are sensitive to stressors early in life and provide females with information to discriminate among males with different developmental experiences. Moreover, female early life experiences could also impact which males they choose. Females might either choose honest traits indicative of male quality, no matter their own experiences, or they might choose mates to match or compensate for their own experiences. To determine how developmental stressors alter male sexually-selected traits and female preference thereof, I exposed zebra finches (Taeniopygia guttata, ZEFI) to i) lipopolysaccharide (LPS), an immunogenic, Gram-negative bacterial component, ii) corticosterone (CORT), an avian stress …


Dreams And Learning, Cody Mebane Gibbons Jun 2014

Dreams And Learning, Cody Mebane Gibbons

Symposium

Project Summary: This study is being done to test one aspect of how paying attention to one’s dreams may influence our waking lives. The idea was inspired by research linking the brain processes involved in long-term memory storage to qualities of dreaming, as well as the potential for learning in lucid dreams. It is hypothesized that the more conscious one is of one’s dreams and dream world, the better one will be at learning. In order to test this, the dreaming ability of 300 Cal Poly students will be analyzed via dream questionnaires with the purpose of seeing if any …


West Coast Rock Lobster Harvest Strategy And Control Rules : 2014 – 2019, Department Of Fisheries Jun 2014

West Coast Rock Lobster Harvest Strategy And Control Rules : 2014 – 2019, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Craniometric Ancestry Proportions Among Groups Considered Hispanic: Genetic Biological Variation, Sex-Biased Asymmetry, And Forensic Applications, Meredith L. Tise May 2014

Craniometric Ancestry Proportions Among Groups Considered Hispanic: Genetic Biological Variation, Sex-Biased Asymmetry, And Forensic Applications, Meredith L. Tise

USF Tampa Graduate Theses and Dissertations

Today, groups considered Hispanic in the United States consist of populations whose complex genetic structures reflect intermixed diverse groups of people who came in contact during Spanish colonization in Latin America. After coming in contact and wiping out most of the Native Americans who occupied North and Latin America, the Spanish also introduced West African individuals for labor to begin developing crops to be shipped back to Europe, resulting in the Trans-Atlantic African slave trade. These migration events and differential gene flow among males and females that occurred throughout Latin America have led to populations that have been genetically transformed …


Volume 06, Kristen Gains, Amanda Willis, Holly Backer, Monika Gutierrez, Cara O'Neal, Sara Nelson, Sasha Silberman, Jessica Beardsley, Jamie Gardner, Edward Peeples, Matthew Sakach, Tess Lione, Emily Wilkins, Kelsey Holt, Jessica Page, Jamie Clift, Charles Vancampen, Gilbert Hall, Jenny Nehrt, Kasey Dye, Amanda Tharp, Jamie Leeuwrik, Ashley Mcgee, Emily Poulin, Michael Kropf, Nick Pastore, Austin Polasky, Morgan Glasco, Laura L. Kahler, Melinda L. Edwards, Brandon C. Smith, Mariah Asbell, Cabell Edmunds, Amelia D. Perry, Alyssa Hayes, Irina Boothe, Perry Bason, James Early Apr 2014

Volume 06, Kristen Gains, Amanda Willis, Holly Backer, Monika Gutierrez, Cara O'Neal, Sara Nelson, Sasha Silberman, Jessica Beardsley, Jamie Gardner, Edward Peeples, Matthew Sakach, Tess Lione, Emily Wilkins, Kelsey Holt, Jessica Page, Jamie Clift, Charles Vancampen, Gilbert Hall, Jenny Nehrt, Kasey Dye, Amanda Tharp, Jamie Leeuwrik, Ashley Mcgee, Emily Poulin, Michael Kropf, Nick Pastore, Austin Polasky, Morgan Glasco, Laura L. Kahler, Melinda L. Edwards, Brandon C. Smith, Mariah Asbell, Cabell Edmunds, Amelia D. Perry, Alyssa Hayes, Irina Boothe, Perry Bason, James Early

Incite: The Journal of Undergraduate Scholarship

Introduction from Dean Dr. Charles Ross

Caught Between Folklore and the Cold War: The Americanization of Russian Children's Literature by Kristen Gains

Graphic Design by Amanda Willis

Graphic Design by Holly Backer

Prejudices in Swiss German Accents by Monika Gutierrez

Photography by Cara O'Neal

Photography by Sara Nelson

Edmund Tyrone's Long Journey through Night by Sasha Silberman

Photography by Jessica Beardsley

Photography by Jamie Gardner and Edward Peeples

The Republican Razor: The Guillotine as a Symbol of Equality by Jamie Clift

Graphic Design by Matthew Sakach

Genocide: The Lasting Effects of Gender Stratification in Rwanda By Tess Lione and Emily …


Cardiovascular Health Among Us And Argentine University Students: A Comparative Study Of Behaviors And Risk Factors, Gina Fitzgerald, Gabriella Smith Mar 2014

Cardiovascular Health Among Us And Argentine University Students: A Comparative Study Of Behaviors And Risk Factors, Gina Fitzgerald, Gabriella Smith

Seaver College Research And Scholarly Achievement Symposium

Cardiovascular disease for some time has been the leading cause of death in the Western world. Primary prevention is the only way to halt the onset of cardiovascular disease, yet there is little information on the prevalence of risk factors for cardiovascular disease in young adults. This study seeks to evaluate students from the Catholic University of Argentina and Pepperdine University of America for the prevalence of CVD risk factors, as well as knowledge of CVD and daily habits that contribute to heart health. Thus we compared two cultures with very different lifestyles and prevalence of risk factors. We hypothesized …


Levels Of Altruism, Martin Zwick, Jeffrey Alan Fletcher Mar 2014

Levels Of Altruism, Martin Zwick, Jeffrey Alan Fletcher

Complex Systems Faculty Publications and Presentations

The phenomenon of altruism extends from the biological realm to the human socio-cultural realm. This paper sketches a coherent outline of multiple types of altruism of progressively increasing scope that span these two realms and are grounded in an ever-expanding sense of"self." Discussion of this framework notes difficulties associated with altruisms at different levels. It links scientific ideas about the evolution of cooperation and about hierarchical order to perennial philosophical and religious concerns. It offers a conceptual background for inquiry into societal challenges that call for altruistic behavior, especially the challenge of environmental and social sustainability.


Internet Reviews: The Global Biodiversity Information Facility, John Creech Feb 2014

Internet Reviews: The Global Biodiversity Information Facility, John Creech

Library Scholarship

This column comprises a review of the Global Biodiversity Information Facility (GBIF) portal, which is maintained by some 52 participating countries and dozens of scientific organizations. The GBIF provides access to approximately 417 million individual occurrences of organisms. It is recommended for serious students, faculty instructors and research scientists.


Assessing Perceived And Documented Crop Damage In A Tanzanian Village Impacted By Human-Elephant Conflict (Hec), Rebekah R. Hoffmeier-Karimi, Bruce A. Schulte Jan 2014

Assessing Perceived And Documented Crop Damage In A Tanzanian Village Impacted By Human-Elephant Conflict (Hec), Rebekah R. Hoffmeier-Karimi, Bruce A. Schulte

Biology Faculty Publications

In sub-Saharan Africa human-wildlife conflict (HWC) is a growing conservation issue and human-elephant conflict (HEC) is of special concern. Crop loss to wildlife comprises a main component of HWC. Deterrent methods for crop loss are numerous and such schemes could be more effective by an improved understanding of how farmers’ perceptions align with actual causes of crop loss. Our objective was to compare the perception by farmers of the causes and extent of crop damage to the measured crop damage in fields of maize (Zea mays) using different deterrent methods. We interviewed agriculturalists in the farming village of Miti Mirefu …


Impacts Of Environmental Pressures On The Reproductive Physiology Of Subpopulations Of Black Rhinoceros (Diceros Bicornis Bicornis) In Addo Elephant National Park, South Africa, Elizabeth Freeman, Jordana Meyer, Jed Bird, John Adendorff, Bruce A. Schulte, Rachel Santymire Jan 2014

Impacts Of Environmental Pressures On The Reproductive Physiology Of Subpopulations Of Black Rhinoceros (Diceros Bicornis Bicornis) In Addo Elephant National Park, South Africa, Elizabeth Freeman, Jordana Meyer, Jed Bird, John Adendorff, Bruce A. Schulte, Rachel Santymire

Biology Faculty Publications

Black rhinoceros are an icon for international conservation, yet little is known about their physiology due to their secretive nature. To overcome these challenges, non-invasive methods were used to monitor rhinoceros in two sections of Addo Elephant National Park, South Africa, namely Addo and Nyathi. These sections were separated by a public road, and the numbers of elephants, predators and tourists were higher in Addo. Faecal samples (n = 231) were collected (from July 2007 to November 2010) from known individuals and analysed for progestagen and androgen metabolite (FPM and FAM, respectively) concentrations. As biotic factors could impact reproduction, …


An Examination Of Music's Effects On Athletic Performance, Patrick Ford Jan 2014

An Examination Of Music's Effects On Athletic Performance, Patrick Ford

A with Honors Projects

This paper is an investigation of how music can impact athletic performance and the biological pathways that it acts through.


Why Are We Doing This? The Role Of Personal Relevance In Developing Biological Information Literacy Using Cyber Peer-Led Team Learning, Jeffrey D Radloff, C Maybee, Maribeth Slebodnik, Nancy Pelaez Jan 2014

Why Are We Doing This? The Role Of Personal Relevance In Developing Biological Information Literacy Using Cyber Peer-Led Team Learning, Jeffrey D Radloff, C Maybee, Maribeth Slebodnik, Nancy Pelaez

IMPACT Symposium

Student-centered learning necessitates that students engage with an array of materials to develop their own understandings, often requiring students to find and critically engage with biological information. This project describes a course (BIOL 131; Biology II: Development, Structure and Function of Organisms) that utilizes cyber Peer-led Team Learning (cPLTL) as a student-centered approach to enhance students’ biological information literacy. Emphasizing the social aspects of learning, students work together in small groups led by a peer mentor using online meeting software. Scaffolded across the first half of the semester, students were given information literacy focused questions as part of a weekly …


Selections On The Empirical And Theoretical Investigations Of Behavioral Variability: An Introduction To The Special Issue, W. David Stahlman, Aaron P. Blaisdell Jan 2014

Selections On The Empirical And Theoretical Investigations Of Behavioral Variability: An Introduction To The Special Issue, W. David Stahlman, Aaron P. Blaisdell

Psychological Science Articles

The study of behavioral variability continues to grow in importance and gather interest. A thorough understanding of the fundamental processes by which variation is generated and by which it is adaptive is potentially important to our understandings of a whole host of phenomena, including all types of learning, from basic skills to language and thought (Bateson & Martin, 2013) as well as the antifragility of complex systems (Taleb, 2012). This issue represents a brief look into an important scientific enterprise, extraordinarily vast in scope and implications (Brembs, 2010). Even if we accept a fundamental unpredictability to animal behavior, this does …


Modulatory Effects Of Gaba(B) Receptor Facilitation In A Model Of Chronic Inflammation, Michael A. Langhardt, Jefferson Kinney Jan 2014

Modulatory Effects Of Gaba(B) Receptor Facilitation In A Model Of Chronic Inflammation, Michael A. Langhardt, Jefferson Kinney

McNair Poster Presentations

Inflammation within the brain (neuroinflammation) has been associated with a number of neurodegenerative diseases, including Alzheimerʼs disease (AD) (Solito et al., 2012). Within the brain, inflammation is defined broadly as prolonged activation of the brainʼs immune cells, known as glial cells. Excessive activation of glial cells within the brains of AD patients is a hallmark of the disease, however the mechanism by which this contributes to disease pathology is relatively unclear (Jo et al., 2014). Recently, studies have shown that glial cells, known as astrocytes, are able to synthesize and release the inhibitory neurotransmitter GABA (Charles et al., 2003). Further, …


The Role Of Progestogen Neurosteroids In Behaviors Relevant For Autism Spectrum Disorders, Danielle Christine Llaneza Jan 2014

The Role Of Progestogen Neurosteroids In Behaviors Relevant For Autism Spectrum Disorders, Danielle Christine Llaneza

Legacy Theses & Dissertations (2009 - 2024)

Autism spectrum disorder (ASD) affects children across the U.S. and is characterized by deficits in social communication and restrictive/repetitive behaviors, for which few therapeutic interventions have been successful. Steroid hormones, such as progesterone (P4) and its metabolite, 5α-pregnan-3α-ol-20-one (3α,5α-THP), can exert neuroprotective effects, influence synaptic morphology, mediate behavioral outcomes, and influence stress-responding. In this thesis, the behaviors and baseline levels of the stress hormone, corticosterone, P4, and 3α,5α-THP are investigated in BTBR T+ Itpr3tf/J (BTBR) mice, a proposed ASD model. It was hypothesized that BTBR mice would show abnormalities in behaviors and in levels of steroids and neuroendocrine factors. Results …


The Role Of Igf-Ii In Memory Enhancement : Implications For Autism Spectrum Disorders, Amy S. Kohtz Jan 2014

The Role Of Igf-Ii In Memory Enhancement : Implications For Autism Spectrum Disorders, Amy S. Kohtz

Legacy Theses & Dissertations (2009 - 2024)

Cognitive and memory impairments significantly affect multiple domains in life and play major roles in disease. Identifying critical mechanisms and factors that mediate memory consolidation and enhancement may represent an important approach for increasing cognition in normal adults and preventing or treating cognitive impairments. The expression of the C/EBP- target gene insulin-like growth factor 2, (IGF-II) is required for memory consolidation; furthermore, IGF-II administration during memory consolidation produces memory enhancement, increased memory persistence and prevents forgetting. In this thesis, I investigated the therapeutic potential of IGF-II to promote memory consolidation when administered systemically. In addition, I investigated one particularly interesting …


Art Or Science?, Allison Marsh Jan 2014

Art Or Science?, Allison Marsh

Section 3: Imaging the Fast Moving

No abstract provided.


Biomechanical Effects Of Trees And Soil Thickness In The Cumberland Plateau, Michael Shouse Jan 2014

Biomechanical Effects Of Trees And Soil Thickness In The Cumberland Plateau, Michael Shouse

Theses and Dissertations--Geography

Previous research in the Ouachita Mountains, Arkansas suggests that, on relatively thin soils overlying bedrock, individual trees locally thicken the regolith by root penetration into bedrock. However, that work was conducted mainly in areas of strongly dipping and contorted rock, where joints and bedding planes susceptible to root penetration are more common and accessible. This project extended this concept to the Cumberland Plateau, Kentucky, with flat, level-bedded sedimentary rocks. Spatial variability of soil thickness was quantified at three nested spatial scales, and statistical relationships with other potential influences of thickness were examined. In addition, soil depth beneath trees was compared …


Fishery Co-Management Opportunities Between Tribal And State Agencies: Conflict To Collaboration, J. Marty Holtgren Jan 2014

Fishery Co-Management Opportunities Between Tribal And State Agencies: Conflict To Collaboration, J. Marty Holtgren

Dissertations, Master's Theses and Master's Reports - Open

Over the past 40 years global recognition has occurred for indigenous groups to be represented and have input in how natural resources are managed. This has largely occurred because of how management decisions have consequences to indigenous groups that reach beyond natural resource issues but into cultural, spiritual, social and political elements including sovereignty, legitimacy, justice, equity and empowerment and using indigenous paradigms to meet indigenous needs. In the United States numerous legal agreements have been reached that pair state and tribal agencies into co-management. This project concerns a recent co-management agreement between the State of Michigan and five Native …


Evolution And Functional Morphology Of The Cephalic Lobes In Batoids, Samantha Lynn Mulvany Dec 2013

Evolution And Functional Morphology Of The Cephalic Lobes In Batoids, Samantha Lynn Mulvany

USF Tampa Graduate Theses and Dissertations

Cephalic lobes are unique structures derived from the anterior pectoral fins, found in select myliobatid stingrays. Many benthic batoids utilize undulatory locomotion and use their pectoral fins for both locomotion and prey capture. Pelagic myliobatids that possess cephalic lobes utilize oscillatory locomotion, using their pectoral fins to locomote and their cephalic lobes for prey capture. Despite differences in habitat usage and locomotor modes, these batoids feed on very similar benthic organisms. The purpose of this study was to 1.) compare the morphology of the cephalic lobes and anterior pectoral fins in lobed and lobeless species, looking at skeletal elements, musculature …


Ua66 Ogden College Of Science & Engineering Newsletter, Cheryl Stevens, Dean Dec 2013

Ua66 Ogden College Of Science & Engineering Newsletter, Cheryl Stevens, Dean

Ogden College of Science & Engineering Publications

No abstract provided.


West Coast Rock Lobster Harvest Strategy And Control Rules : 2015 – 2019 : A Discussion Paper, Department Of Fisheries Dec 2013

West Coast Rock Lobster Harvest Strategy And Control Rules : 2015 – 2019 : A Discussion Paper, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Connecting The Dots: Understanding Migration In The Context Of Other Periods Of The Annual Cycle, Kristina Lee Paxton Dec 2013

Connecting The Dots: Understanding Migration In The Context Of Other Periods Of The Annual Cycle, Kristina Lee Paxton

Dissertations

Migration is a fundamental characteristic of the life history of many organisms. Large-scale seasonal movements expose migratory species to an array of differing environmental conditions such that the ecology, behavior, and life history strategies of migratory species must balance selection pressures associated with each phase of the annual cycle. Therefore, scientists increasingly realize that to understand the ecology of a migratory species in any one phase of the annual cycle requires an understanding of how other phases may interact with and influence the period of interest. That said, following individuals throughout the year poses a serious challenge.

The focus of …