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Articles 8641 - 8670 of 19729
Full-Text Articles in Entire DC Network
Concepts In Animal Parasitology: References Style Guide, Sue Ann Gardner, Scott Lyell Gardner
Concepts In Animal Parasitology: References Style Guide, Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology
References style guide for authors of the Concepts in Animal Parasitology free, online textbook.
Concepts In Animal Parasitology: Instructions For Authors, Sue Ann Gardner, Scott Lyell Gardner
Concepts In Animal Parasitology: Instructions For Authors, Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology
Instructions for authors for the Concepts in Animal Parasitology free, online textbook.
Concepts In Animal Parasitology: Manuscript Preparation Guidelines, Paul Royster, Sue Ann Gardner, Scott Lyell Gardner
Concepts In Animal Parasitology: Manuscript Preparation Guidelines, Paul Royster, Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology
Zea Books manuscript preparation guidelines for authors of the Concept in Animal Parasitology free, online textbook.
Concepts In Animal Parasitology: Template For Authors For Parts 2-4 (Endoparasites) And Part 5 (Ectoparasites), Sue Ann Gardner, Scott Lyell Gardner
Concepts In Animal Parasitology: Template For Authors For Parts 2-4 (Endoparasites) And Part 5 (Ectoparasites), Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology
Support material for authors of the open educational resource, Concepts in Animal Parasitology, Parts 2-4 (Endoparasites) and Part 5 (Ectoparasites).
Fishery Interaction Modeling Of Cetacean Bycatch In The California Drift Gillnet Fishery To Inform A Dynamic Ocean Management Tool, Nicholas B. Sisson
Fishery Interaction Modeling Of Cetacean Bycatch In The California Drift Gillnet Fishery To Inform A Dynamic Ocean Management Tool, Nicholas B. Sisson
Biological Sciences Theses & Dissertations
Understanding the drivers that lead to interaction between target species in a fishery and marine mammals is a critical aspect in efforts to reduce bycatch. In the California drift gillnet fishery static management approaches and gear changes have reduced bycatch but neither measure ascertains the underlying dynamics causing bycatch events. To avoid further potentially drastic measures such as hard caps, dynamic management approaches that consider the scales relevant to physical dynamics, animal movement and human use could be implemented. A key component to this approach is determining the factors that lead to fisheries interactions. Using 25 years (1990-2014) of National …
Herbivory And Eutrophication Mediate Grassland Plant Nutrient Responses Across A Global Climatic Gradient, T. Michael Anderson, Daniel M. Griffith, James B. Grace, Eric M. Lind, Peter B. Adler, Lori A. Biederman, Dana M. Blumenthal, Pedro Daleo, Jennifer Firn, Nicole Hagenah, W. Stanley Harpole, Andrew S. Macdougall, Rebecca L. Mcculley, Suzanne M. Prober, Anita C. Risch, Mahesh Sankaran, Martin Schütz, Eric W. Seabloom, Carly J. Stevens, Lauren L. Sullivan, Peter D. Wragg, Elizabeth T. Borer
Herbivory And Eutrophication Mediate Grassland Plant Nutrient Responses Across A Global Climatic Gradient, T. Michael Anderson, Daniel M. Griffith, James B. Grace, Eric M. Lind, Peter B. Adler, Lori A. Biederman, Dana M. Blumenthal, Pedro Daleo, Jennifer Firn, Nicole Hagenah, W. Stanley Harpole, Andrew S. Macdougall, Rebecca L. Mcculley, Suzanne M. Prober, Anita C. Risch, Mahesh Sankaran, Martin Schütz, Eric W. Seabloom, Carly J. Stevens, Lauren L. Sullivan, Peter D. Wragg, Elizabeth T. Borer
Ecology Center Publications
Plant stoichiometry, the relative concentration of elements, is a key regulator of ecosystem functioning and is also being altered by human activities. In this paper we sought to understand the global drivers of plant stoichiometry and compare the relative contribution of climatic vs. anthropogenic effects. We addressed this goal by measuring plant elemental (C, N, P and K) responses to eutrophication and vertebrate herbivore exclusion at eighteen sites on six continents. Across sites, climate and atmospheric N deposition emerged as strong predictors of plot‐level tissue nutrients, mediated by biomass and plant chemistry. Within sites, fertilization increased total plant nutrient pools, …
Using Unmanned Aerial Vehicle Technology To Enhance Conservation Biology Research, Ann Briggs
Using Unmanned Aerial Vehicle Technology To Enhance Conservation Biology Research, Ann Briggs
Honors Program: Senior Projects (Public)
This study examined the most effective ways to utilize unmanned aerial vehicles (UAV) for wildlife conservation. More specifically, a UAV platform was created that can perform multiple data collection tasks by utilizing interchangeable modules. The prototype produced in this study has the capability to perform many tasks through the use of interchangeable modules. These tasks include, but are not limited to aerial surveys and collection of biological samples. This innovative technology will provide invaluable assistance to conservation efforts by reducing research and subject injury or death while maximizing efficiency. The modular design of the prototype was developed for retail to …
Functional Biogeography Of Angiosperms: Life At The Extremes, Amy E. Zanne, William D. Pearse, William K. Cornwell, Daniel J. Mcglinn, Ian J. Wright, Josef C. Uyeda
Functional Biogeography Of Angiosperms: Life At The Extremes, Amy E. Zanne, William D. Pearse, William K. Cornwell, Daniel J. Mcglinn, Ian J. Wright, Josef C. Uyeda
Ecology Center Publications
Nonlinear relationships between species and their environments are believed common in ecology and evolution, including during angiosperms' rise to dominance. Early angiosperms are thought of as woody evergreens restricted to warm, wet habitats. They have since expanded into numerous cold and dry places. This expansion may have included transitions across important environmental thresholds. To understand linear and nonlinear relationships between angiosperm structure and biogeographic distributions, we integrated large datasets of growth habits, conduit sizes, leaf phenologies, evolutionary histories, and environmental limits. We consider current-day patterns and develop a new evolutionary model to investigate processes that created them. The macroecological pattern …
Remote Sensing And Spatial Metrics For Quantifying Seagrass Landscape Changes: A Study On The 2011 Indian River Lagoon Florida Seagrass Die-Off Event, René Dieter Baumstark
Remote Sensing And Spatial Metrics For Quantifying Seagrass Landscape Changes: A Study On The 2011 Indian River Lagoon Florida Seagrass Die-Off Event, René Dieter Baumstark
USF Tampa Graduate Theses and Dissertations
Florida’s seagrasses are ecologically important marine environments which have suffered major degradation caused by increasing anthropogenic pressures. A 2011 seagrass die-off event caused by an algal bloom in the Florida Indian River Lagoon (IRL) was particularly severe with a majority of seagrass lost in areas such as the Banana River. An understanding of how this coastal marine environment changed is an important step toward better managing resources for conservation. Modern tools and methods provide new opportunities to study these changes at the landscape scale, a scale that informs on the larger more comprehensive state of a system. Classified satellite imagery …
Influence Of Black Mangrove Expansion On Salt Marsh Faunal Communities Of Eastern Coastal Louisiana, Christina Powell
Influence Of Black Mangrove Expansion On Salt Marsh Faunal Communities Of Eastern Coastal Louisiana, Christina Powell
LSU Master's Theses
The salt marshes along the Gulf of Mexico provide a critical habitat for many species, but their spatial distribution is changing, because Avicennia germinans (black mangroves) are expanding due to warmer winters. Currently, little is known about how A. germinans are used as habitat providing food and refuge for aquatic fauna. Therefore, the overall goal of this study was to determine how A.germinans expansion into the Spartina alterniflora (smooth cordgrass) marshes of Louisiana’s Mississippi River delta plain affects salt marsh-dependent organisms. This study analyzed three habitat types: Spartina-dominated, Avicennia-dominated, and a mix of the two, focusing on habitat use and …
The Effect Of Physical Stress Signals On Conspecific Interactions In Green-And-Black Poison Frogs (Dendrobates Auratus), Gabriella E. Chan, Maxwell A. Kenyon, Summer Ngo, Lee B. Kats
The Effect Of Physical Stress Signals On Conspecific Interactions In Green-And-Black Poison Frogs (Dendrobates Auratus), Gabriella E. Chan, Maxwell A. Kenyon, Summer Ngo, Lee B. Kats
Seaver College Research And Scholarly Achievement Symposium
Amphibian declines have been a major focus of the scientific community for nearly three decades. Many studies describe the leading causes of amphibian decline related to disease, with chytridiomycosis as the most notable example. However, little is known about behavioral conspecific interactions among ill or stressed amphibians, particularly neotropical species. Previous observational research on poison frogs determined that stressed Dendrobates auratus flip onto their backs in a reaction that is similar to fainting in other species. In this study, we examine conspecific interactions of green-and-black poison frogs (D. auratus) with “healthy” and “sick” model frogs, in order to …
Molecular Phylogenetics Of Floridian Boletes, Arian Farid
Molecular Phylogenetics Of Floridian Boletes, Arian Farid
USF Tampa Graduate Theses and Dissertations
The boletes are macrofungi which have undergone extensive taxonomic revisions since the advent of molecular tools. To further our understanding of the boletes in peninsular Florida, we sequenced two common Floridian boletes, and analyzed them with molecular phylogenetic tools. Boletus rubricitrinus, a common Florida bolete often found in lawns under Quercus, and likely has a distribution that extends to Texas. Based on ITS and LSU sequences and morphological studies, this species belongs in the genus Pulchroboletus. As the holotype is in poor condition, an epitype is established here. A thorough description of macroscopic and microscopic features is also provided for …
Evolution Of Alu Elements In The Saimiri And Papio Lineages Of Primates, Jasmine Nicole Brown Baker
Evolution Of Alu Elements In The Saimiri And Papio Lineages Of Primates, Jasmine Nicole Brown Baker
LSU Doctoral Dissertations
Alu elements are approximately 300 base pair (bp) primate specific non- autonomous retrotransposons. Alu elements, a short interspersed element (SINE), account for high copy numbers in all primate genomes. Numerous Alu element subfamilies have undergone varying degrees of activity and amplification within primates. Identification of these subfamilies has proved to be very informative in elucidating phylogenies and as phylogenomic markers. Squirrel monkeys, genus Saimiri, are one of the most well-known neotropical primates and the second most commonly used laboratory monkey. Squirrel monkey species diverged approximately 1.5 million years ago and are native to South America. Despite being well-known, there …
Grooming Behaviors Of, Lauren N. Williams
Grooming Behaviors Of, Lauren N. Williams
USF Tampa Graduate Theses and Dissertations
The giant freshwater shrimp, Macrobrachium rosenbergii is a large species of prawn grown extensively in aquaculture settings. A social hierarchy exists within the males of this species, representing three distinct male morphotypes. These male morphotypes differ in their behavior, physiology, and morphology and include the largest blue-clawed males (BC males), moderately- sized orange-clawed males (OC males), and the undifferentiated small-clawed males (SM males). All individuals of this species perform grooming behaviors to rid themselves of body fouling which can impede important functions such as movement, respiration, chemoreception, and reproduction. Grooming behaviors in crustaceans often utilize specialized structures called setae, which …
Ecosystem Function And Phenotypic Variation In Spartina Alterniflora Salt Marshes, Sandra E. Voors
Ecosystem Function And Phenotypic Variation In Spartina Alterniflora Salt Marshes, Sandra E. Voors
USF Tampa Graduate Theses and Dissertations
Biodiversity is important to ecosystem function at many scales, and variation functional traits within a species can potentially influence ecosystem functioning by altering nutrient cycling dynamics. High population extinction rates are resulting in a rapid loss of within-species biodiversity, so there is a need to better understand the importance of intraspecific variation to ecosystem-level processes. Tidal salt marshes are ideal ecosystems for investigating intraspecific variation in plant-nutrient relationships because they are dominated by a monoculture of the foundation species Spartina alterniflora, with distinct phenotypes that correspond to environmental gradients across the marsh. We conducted a field survey of existing …
Sediment And Plant Dynamics In A Degrading Coastal Louisiana Landscape, Glenn Michael. Suir
Sediment And Plant Dynamics In A Degrading Coastal Louisiana Landscape, Glenn Michael. Suir
LSU Doctoral Dissertations
Alterations to Louisiana’s river systems and local hydrology have resulted in reduced freshwater, sediment, and nutrient inputs into wetland landscapes, causing significant negative impacts on marsh productivity and stability. To combat these losses many restoration projects have been constructed or planned throughout coastal Louisiana. Typical goals of wetland restoration efforts are to conserve, create, or enhance wetland form, and to achieve wetland function that approaches natural conditions. Failure to adequately maintain wetland elevation and hydrology can have serious implications on sedimentation and vegetation processes, which significantly reduces the likelihood of reaching structural and functional targets. Measures of wetland condition have …
Using Computer Algorithms To Elucidate Zebra Finch Reproductive Behaviour, Tanya T. Shoot, Sophie C. Edwards, Robert J. Martin, Susan D. Healy, David F. Sherry, Mark J. Daley
Using Computer Algorithms To Elucidate Zebra Finch Reproductive Behaviour, Tanya T. Shoot, Sophie C. Edwards, Robert J. Martin, Susan D. Healy, David F. Sherry, Mark J. Daley
Western Research Forum
Birds that experience variation in climatic conditions must maintain a stable nest temperature during incubation for successful hatching of offspring. Varying nest structure and incubation behaviour may be the methods birds use to regulate nest temperature. We used a modeling approach to investigate how birds adjust incubation behaviour to ambient temperature.
Hidden Markov Models (HMM) have been used previously to predict the spatial distribution of animals based on the models’ ability to classify movement behaviour. We used a HMM to predict zebra finch (Taeniopygia guttata) incubation behaviour and nest structure from a nest temperature data set. The full …
Killi-Data News (Winter), Tyrone Genade
Killi-Data News (Winter), Tyrone Genade
Killifish Research Review
Valued readers, it is with a heavy heart that I inform you that this is the last issue of Killi-Data News. The good news is that we will be back as Killifish Research Review. The dissolution of Killi-Data International created a prob- lem: how can the newsletter of a defunct organization live on without that organization? But other additional problems were building in the background. The first issue numbered 15 pages. The previous issue was 28 pages. The number of killifish related papers is increasing while time on our end (the editorial team) is running out. It takes a lot …
Killi-Data News (Fall), Tyrone Genade
Killi-Data News (Fall), Tyrone Genade
Killifish Research Review
Many interesting papers have been published over the last three months. The large volume of papers coupled with the start of the new college semester (and the workload it brings) delayed this issue of Killi-Data News. But better late than never—or so I hope! In this issue Richard van der Laan provides an insightful review of the recent Aphanius papers as to their taxonomic implications and questions. The systematic issues he raises show the importance of the Molecular project: we need to get more samples of the various cyprinodontiforme families to resolve unsettled systematic and taxonomic issues. In the Next …
Killi-Data News (Summer), Tyrone Genade
Killi-Data News (Summer), Tyrone Genade
Killifish Research Review
Over the last three months several interesting and exciting pa- pers have been published. By now most of you have heard the Nothobranchius fish poo news emanating from the Valenzano lab. That paper is reviewed and certainly has repercussions for the health of our captive fish. Polaçik et al have published interesting data with ramifications as to how we breed and incubate annual killifish. The big news in this issue is the paper from the Reznick lab which Jean Huber reviews. The contents of that paper goes to the heart of the question of just what a killifish is. The …
Killi-Data News (Spring), Tyrone Genade
Killi-Data News (Spring), Tyrone Genade
Killifish Research Review
This is the start of Killi-Data News’ second year. In this first issue of the year we have the usual review of research pub- lications as well as input from Martin Reichard on his lab’s Nothobranchius research. Martin is responding to my reviews of his lab’s work in the previous edition. I am serious about making sure the content in this newsletter is reliable but I erred in the previous edition and Martin has written extensively to correct my mistake in the section “Erratum”. This reply is welcomed and owed to readers. I must confess that I don’t know everything …
Killi-Data News (Winter), Tyrone Genade
Killi-Data News (Winter), Tyrone Genade
Killifish Research Review
This is the fourth edition, and concluding issue of the first volume, of Killi-Data News and I am happy that it has been well received by readers. At 25 pages this issue is a bit thin- ner than the last but this is because we agreed to make the cut-off for submissions the 1 st of December so we could get this edition out by the New Year. This is an exciting edition full of new species descrip- tions and analyses that will keep taxonomists busy for years to come. Costa has given us two molecular phylogenies on Melanorivulus as …
Killi-Data News (Spring), Tyrone Genade
Killi-Data News (Spring), Tyrone Genade
Killifish Research Review
This is the start of Killi-Data News’ second year. In this first issue of the year we have the usual review of research pub- lications as well as input from Martin Reichard on his lab’s Nothobranchius research. Martin is responding to my reviews of his lab’s work in the previous edition. I am serious about making sure the content in this newsletter is reliable but I erred in the previous edition and Martin has written extensively to correct my mistake in the section “Erratum”. This reply is welcomed and owed to readers. I must confess that I don’t know everything …
Sublethal Effects Of Crude Oil And Chemical Dispersant On The Eastern Oyster (Crassostrea Virginica) At Multiple Life History Stages, Sara Marie Garcia
Sublethal Effects Of Crude Oil And Chemical Dispersant On The Eastern Oyster (Crassostrea Virginica) At Multiple Life History Stages, Sara Marie Garcia
USF Tampa Graduate Theses and Dissertations
Oil spills in the marine environment can threaten vulnerable ecosystems that support ecologically and economically significant organisms, such as the eastern oyster (Crassostrea virginica), in coastal habitats. The use of chemical dispersant (Corexit 9500) was applied as a cleanup effort in response to the Deepwater Horizon blowout to minimize crude oil slicks, but also resulted in increased concentrations of polycyclic aromatic hydrocarbons in the water column. The effects of increased soluble fractions of crude oil and dispersant components may be harmful to marine organisms. This study aimed to investigate possible sublethal impacts to the eastern oyster at multiple life history …
Alluvial Substrate Mapping By Automated Texture Segmentation Of Recreational-Grade Side Scan Sonar Imagery, Daniel Hamill, Daniel Buscombe, Joseph Michael Wheaton
Alluvial Substrate Mapping By Automated Texture Segmentation Of Recreational-Grade Side Scan Sonar Imagery, Daniel Hamill, Daniel Buscombe, Joseph Michael Wheaton
Watershed Sciences Faculty Publications
Side scan sonar in low-cost ‘fishfinder’ systems has become popular in aquatic ecology and sedimentology for imaging submerged riverbed sediment at coverages and resolutions sufficient to relate bed texture to grain-size. Traditional methods to map bed texture (i.e. physical samples) are relatively high-cost and low spatial coverage compared to sonar, which can continuously image several kilometers of channel in a few hours. Towards a goal of automating the classification of bed habitat features, we investigate relationships between substrates and statistical descriptors of bed textures in side scan sonar echograms of alluvial deposits. We develop a method for automated segmentation of …
Reproductive Success Of Mountain Pine Beetle Infesting Cut Bolts Of Great Basin Bristlecone Pine, Limber Pine, And Lodgepole Pine, Barbara J. Bentz, Karen E. Mock, Erika L. Eidson
Reproductive Success Of Mountain Pine Beetle Infesting Cut Bolts Of Great Basin Bristlecone Pine, Limber Pine, And Lodgepole Pine, Barbara J. Bentz, Karen E. Mock, Erika L. Eidson
Browse all Datasets
The preference-performance hypothesis states that ovipositing phytophagous insects will select host plants that are well-suited for their offspring and avoid host plants that do not support offspring performance (survival, development and fitness). The mountain pine beetle (Dendroctonus ponderosae), a native insect herbivore in western North America, can successfully attack and reproduce in most species of Pinus throughout its native range. However, mountain pine beetles avoid attacking Great Basin bristlecone pine (Pinus longaeva), despite recent climate-driven increases in mountain pine beetle populations at the high elevations where Great Basin bristlecone pine grows. Low preference for a potential host plant species may …
Taxonomy Based On Science Is Necessary For Global Conservation [Formal Comment], Scott A. Thomson, Richard L. Pyle, Scott Monks, Neal L. Evenhuis, Ronald H. Pine, Luis A. Ruedas, Jorge A. Salazar-Bravo, Robert M. Timm, Douglas Yanega, 163 Other Co-Authors
Taxonomy Based On Science Is Necessary For Global Conservation [Formal Comment], Scott A. Thomson, Richard L. Pyle, Scott Monks, Neal L. Evenhuis, Ronald H. Pine, Luis A. Ruedas, Jorge A. Salazar-Bravo, Robert M. Timm, Douglas Yanega, 163 Other Co-Authors
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Taxonomy is a scientific discipline that has provided the universal naming and classification system of biodiversity for centuries and continues effectively to accommodate new knowledge. A recent publication by Garnett and Christidis expressed concerns regarding the difficulty that taxonomic changes represent for conservation efforts and proposed the establishment of a system to govern taxonomic changes. Their proposal to “restrict the freedom of taxonomic action” through governing subcommittees that would “review taxonomic papers for compliance” and their assertion that “the scientific community's failure to govern taxonomy threatens the effectiveness of global efforts to halt biodiversity loss, damages the credibility of science, …
Ecosystem Functional Response Across Precipitation Extremes In A Sagebrush Steppe, Andrew T. Tredennick, Andrew R. Kleinhesselink, J. Bret Taylor, Peter B. Adler
Ecosystem Functional Response Across Precipitation Extremes In A Sagebrush Steppe, Andrew T. Tredennick, Andrew R. Kleinhesselink, J. Bret Taylor, Peter B. Adler
Wildland Resources Faculty Publications
Background
Precipitation is predicted to become more variable in the western United States, meaning years of above and below average precipitation will become more common. Periods of extreme precipitation are major drivers of interannual variability in ecosystem functioning in water limited communities, but how ecosystems respond to these extremes over the long-term may shift with precipitation means and variances. Long-term changes in ecosystem functional response could reflect compensatory changes in species composition or species reaching physiological thresholds at extreme precipitation levels.
Methods
We conducted a five year precipitation manipulation experiment in a sagebrush steppe ecosystem in Idaho, United States. We …
Bats Of Sint Eustatius, Caribbean Netherlands, Scott C. Pedersen, Peter A. Larsen, Sil A. Westra, Ellen Van Norren, Wesley Overman, Gary G. Kwiecinski, Hugh H. Genoways
Bats Of Sint Eustatius, Caribbean Netherlands, Scott C. Pedersen, Peter A. Larsen, Sil A. Westra, Ellen Van Norren, Wesley Overman, Gary G. Kwiecinski, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
The bat fauna of the Caribbean island of Sint Eustatius consists of five documented species—Monophyllus plethodon, Brachyphylla cavernarum, Artibeus jamaicensis, Ardops nichollsi, and Molossus molossus—and one provisional species—Tadarida brasiliensis. The Insular Single-leaf Bat, M. plethodon, is reported in the scientific literature for the first time from Sint Eustatius based on material presented herein. The bat fauna of the island is considered to be unbalanced because only three species, which are the environmental generalists, are abundant, whereas the more specialized species are rare or absent from the fauna. It is our hypothesis …
A Naturalist’S Guide To The Great Plains, Paul A. Johnsgard
A Naturalist’S Guide To The Great Plains, Paul A. Johnsgard
Zea E-Books Collection
This book documents nearly 500 US and Canadian locations where wildlife refuges, nature preserves, and similar properties protect natural sites that lie within the North American Great Plains, from Canada’s Prairie Provinces to the Texas-Mexico border. Information on site location, size, biological diversity, and the presence of especially rare or interesting flora and fauna are mentioned, as well as driving directions, mailing addresses, and phone numbers or internet addresses, as available. US federal sites include 11 national grasslands, 13 national parks, 16 national monuments, and more than 70 national wildlife refuges. State properties include nearly 100 state parks and wildlife …