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Theses/Dissertations from 2017

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The detection and quantification of aquatic reptilian environmental DNA, Clare Isabel Ming-Ch'eng Adams

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Geographic variation in nesting behavior and thermally-induced offspring phenotypes in a widespread reptile, Brooke Lee Bodensteiner

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A comparative survey and investigation into the functional role of root anatomy in the Poaceae, Monica Cox

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Studies on the molecular underpinnings of sex determination mechanism evolution and molecular sexing tools in turtles, Robert Alan Literman

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Herbivore effects on plant coexistence and diversity, Brent Mortensen

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Chimpanzees in the Island Of Gold: Impacts of artisanal small-scale gold mining on chimpanzees (Pan troglodytes verus) in Fongoli, Senegal, Kelly Morgan Boyer Ontl

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Behavioral and physiological responses of a freshwater turtle to anthropogenic activity, Rebecca Leigh Polich

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Evaluating Pollinator Responses to Grassland Management Techniques, David Stein

Theses/Dissertations from 2016

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Impacts of the amount of hybrid cattail (Typha x glauca) litter on abiotic and biotic conditions in prairie pothole wetlands, Andrew J. Albertsen

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Genetic variation in freshwater mussels (Bivalvia: Unionidae) and its implications for species delineation and conservation, Jer Pin Chong

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Ecology and evolution of physiological phenotypes in garter snakes (Thamnophis spp.), Eric Joseph Gangloff

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An examination of the complex ecological role of tall fescue in grassland restoration, Karin Joanne Jokela

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Evaluation of CRP contour buffer and filter strips as habitat for native bees and predatory ground beetles, Amy Lynn Moorhouse

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The phenology of cyanobacteria blooms and carbon cycling in eutrophic lake ecosystems, Ana Melinda Morales-Williams

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Biological diversity in the biology classroom: teachers' approaches, attitudes, and knowledge, Krystal Rachelle Wikstrom

Theses/Dissertations from 2015

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Phylogenetics, systematics and evolution of the temperate woody bamboos with an emphasis on the Kuruna clade, Lakshmi Ruwani Attigala

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Phenotypic innovation and repeatability in turtles, Gerardo Antonio Cordero

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Bison-mediated seed dispersal in a tallgrass prairie reconstruction, Peter Gregory Eyheralde

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Flammable deserts: understanding the impacts of fire on southwestern desert ecosystems of USA, Andres Hernan Fuentes Ramirez

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Differential demographic responses of two sympatric turtle species to anthropogenic disturbance, Sarah M. Mitchell

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Southeast Iowa lichen diversity and elemental analysis, Amy Lynn Podaril

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Direct benefits of ejaculate-derived compounds on female reproduction and immunity in the field cricket, Gryllus texensis, Amy Marie Worthington

Theses/Dissertations from 2014

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Convergent evolution of life habit and shell shape in scallops (Bivalvia: Pectinidae) with a description of a new genus, Alvin Alejandrino

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Soil aggregate distribution and turnover affects soil microbial ecology and ecosystem processes in three bioenergy systems, Elizabeth Marie Bach

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Phylogenetics and Evolution of the Paleotropical Woody Bamboos (Poaceae: Bambusoideae: Bambuseae), Hathairat Chokthaweepanich

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Utilizing novel grasslands for the conservation and restoration of butterflies and other pollinators in agricultural ecosystems, John Thomas Delaney

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Native mice in a novel ecosystem: Morphology, behavior, and sociology predict the role of prairie deer mice in agriculture, John Watson Doudna

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Soil microbial communities in bioenergy cropping systems: unearthing relationships across a heterogeneous agroecosystem, Sarah Kate Hargreaves

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The evolution of salamander mimicry: Predators, prey, and perception, Andrew C. Kraemer

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Growth and allocation in seedlings of three shade intolerant species: the role of biotic and abiotic factors, Nilsen Leonardo Lasso-Rivas

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Multilevel analysis of the foraging decisions of western chimpanzees (Pan troglodytes verus) and resource scarcity in a savanna environment at Fongoli, Senegal, Stacy M. Lindshield

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Top-down and bottom-up effects on plant reproduction and dispersal in grassland systems, Lauren Lavins Sullivan

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Assessing population status and identifying key habitat requirements for Parnassius butterflies in Grand Teton National Park, Wyoming, Kimberly Elizabeth Szcodronski

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The effect of changing juvenile nutritional conditions and compensatory growth on life history traits in a field cricket, Gryllus texensis, Brittany Tawes

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How male attractiveness mediates the effect of an immune challenge on reproductive traits and sickness behavior in the Texas Field Cricket (Gryllus texensis), Melissa Shari Corona Telemeco

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Here be dragons: Functional analyses of thermal adaptation and biogeography of reptiles in a changing world, Rory S. Telemeco

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Integrating scale and uncertainty to understand microbially derived agroecosystem processes, Ryan James Williams

Theses/Dissertations from 2013

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Understanding biodiversity: The importance of sexual dimorphism in the micro- and macroevolution of hummingbirds, Chelsea Marie Berns

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Species interactions in ephemeral patch systems: spatial, temporal, and spatio-temporal influences, Alexander Bradley Duthie

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Foraging by mice in spatially and temporally variable agricultural fields: Implications for volunteer corn, invertebrate and weed pest control, Tatyana Jennifer Flick

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Anthropogenic eutrophication and ecosystem functioning in freshwater lakes, Adam John Heathcote

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Mechanisms altering exotic-native proportions in plant communities, and impacts on biodiversity and ecosystems, Leanne M. Martin

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Phenotypic consequences of maternal effects during early life stages of the painted turtle, Chrysemys picta, Timothy Staub Mitchell

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Soil carbon cycling and storage of bioenergy cropping systems across a heterogeneous agroecosystem, Todd Allan Ontl

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Phylogeography of eastern leatherwood (Dirca palustris L.) resolved by chloroplast sequencing and microsatellite genotyping, Bryan James Peterson

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Experimentally simulating environmental change in a montane meadow system via reduced snowpack and passive warming: soil and plant responses, Jill Sherwood

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Reproductive decisions of Mountain Plovers in southern Phillips County, Montana, Paul Daniel Blom Skrade

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Predicting the spatial distribution of an invasive plant species and modeling tolerance to herbivory using Lythrum salicaria L. as a model system, Shyam Thomas

Theses/Dissertations from 2012

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Carbon flux and eutrophication in agricultural inland waters, Michelle Bea Balmer

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Factors affecting mycorrhizal colonization in Schizachyrium scoparium, Paul N. Frater

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Diversifying monoculture crops by incorporating prairie buffer strips, Sarah Marie Hirsh

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Tradeoffs in ecosystem services of prairies managed for bioenergy production, Meghann Elizabeth Jarchow

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The evolution of the mitochondrial genomes of calcareous sponges and cnidarians, Ehsan Kayal

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Nitrogen sources and sinks in Iowa soils: biogeochemical links between carbon inputs, nitrate leaching, and nitrous oxide emissions, David Mitchell

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The Symbolic Mind: Apes, symbols, and the evolution of language, Janni Pedersen

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Effects of climate change on reptiles with temperature-dependent sex determination and potential adaptation via maternal nest-site choice, Jeanine M. Refsnider

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Understanding and acceptance of biological evolution and the nature of science: Studies on university faculty, Justin William Rice

Theses/Dissertations from 2011

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Ecological processes regulating geographic distributions of Plethodon salamanders in the Southern Appalachian Mountains, James O'connor Church

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Distribution of two rotation-resistant corn pests in eastern Iowa and effects of soybean varieties on biology of Diabrotica virgifera virgifera, Michael Wilson Dunbar

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Population characteristics and habitat selection of muskrats (Ondatra zibethicus) in response to water level management at the Summerberry Marsh Complex, The Pas, Manitoba, Canada, Michael David Ervin

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An epidemiological comparison of the US and Canadian Plum pox virus eradication programs, Andrew Gougherty

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Multiple paternity, male reproductive success, hormonal regulation of fertility, and the evolution of life-histories, Megan Brianne Manes

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Patterns and processes of spatial genetic structure in a mobile and continuously distributed species, the bobcat (Lynx rufus), Dawn Marie Reding

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Taxonomy, Phylogeny, and Biogeography of the Net-winged Midges of Madagascar (Diptera: Blephariceridae: Paulianina and Eupaulianina), Rebecca B. Sam

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Grassland bird response to enhanced vegetation diversity in restoration plantings in the Spring Run Complex of northwestern Iowa, Jennifer Amy Vogel

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Breeding-season biology of the Puerto Rican Bullfinch (Loxigilla portoricensis), Amber Nicole Wiewel

Theses/Dissertations from 2010

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Phenotypic plasticity, sexual dimorphism and Rensch's rule in turtles, Claudia Patricia Ceballos Fonseca

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Microevolution of sex determination mechanisms: Case studies in Caenorhabditis elegans, Christopher Holden Chandler

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Historical vegetation reconstruction using spatial modeling on pre-Euro-American data to inform ecosystem restoration in the Driftless Area of the U.S. Midwest, Kumudan Grubh

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Processes that influence biodiversity, ecosystem functioning, and stability in grasslands, Forest Isaac Isbell

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Predicting favorable habitat for bobcats (Lynx rufus) in Iowa, Stephanie Ann Linde

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Revisionary systematics and evolutionary ecology of Neophylidorea (Diptera: Tipuloidea), Jessica Diane Petersen

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Effects of fine-scale plant arrangement on grassland establishment, Kathryn Anne Yurkonis

Theses/Dissertations from 2009

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The effects of light, temperature, after-ripening, nitrate and water on Chenopodium album seed germination, Lindsey Marie Altenhofen

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Ecosystem services of riparian areas: stream bank stability and avian habitat, Sara Alexandra Berges

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Behavioral ecology of savanna chimpanzees (Pan troglodytes verus) with respect to insectivory at Fongoli, Senegal, Stephanie L. Bogart

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Mutualism effects of within and among-tree flowering in a desert fig Ficus petiolaris, Daniel James Gates

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Reproductive ecology of the mourning dove: large-scale patterns in recruitment, breeding endocrinology, and developmental plasticity, David Andrew Miller

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An examination of songbird avian diversity, abundance trends, and community composition in two endangered temperate ecosystems: riparian willow habitat of the Greater Yellowstone Ecosystem and a restored tallgrass prairie ecosystem, Neal Smith National Wildlife Refuge, Brian Frederick Olechnowski

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Effects of age on immune function in free-living animals: Ontogeny, senescence, and their implications, Maria Gabriela Palacios

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Effects of brood size on and the ontogeny of the stress response in nestling Tree Swallows (Tachycineta bicolor), Rebecca Parsons

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The evolution of life histories in garter snakes: Reproduction, aging, and the physiology of trade-offs, Amanda M. Sparkman

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Comprehension of tools by orangutans: Causality, tool properties, and manufacture, Kristina Ralene Walkup

Theses/Dissertations from 2008

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Perennial vegetation, human adaptation, and resilience in the U.S. Corn Belt social-ecological system, Ryan Cardiff Atwell

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Butterfly community temporal trends and responses to resource availability along a hydrologic gradient of montane meadows, Jennet C. Caruthers

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Ecological processes responsible for species co-occurrence patterns in two species of Plethodon salamanders, Jennifer Deitloff

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Genetic diversity in cultivated and wild Hordeum species, Lucía Gutiérrez

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Habitat selection and diet of native ungulates in an ongoing tallgrass prairie reconstruction effort, Barbara Wambui Kagima

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Post-orbital color pattern variation and the evolution of a radiation of turtles (Graptemys), Erin M. Myers

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Terrestrial arthropod community and indicators of biotic integrity for Iowa tallgrass prairie, Jessica Marie Orlofske

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A systematic investigation of the crane fly subfamily Limoniinae (Tipuloidea: Limoniidae), Matthew Jon Petersen

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Depredation of Painted Turtle (Chrysemys picta) nests: influence of biotic, abiotic, Jeramie Troy Strickland

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Systematics of the neotropical woody bamboo genus Rhipidocladum (Poaceae: Bambusoideae), Christopher Dean Tyrrell

Theses/Dissertations from 2007

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Experimental tests of community assembly rules in a tallgrass prairie restoration, Andrea Margaret Blong

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Effects of restoration on Midwestern oak savanna biodiversity, structure, and oak regeneration, Lars Andrew Brudvig

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Litter accumulation in emergent marshes: investigating the effects of litter on wetland invertebrates and the processes controlling litter distribution and accumulation, Jay Richard Christensen

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The role of adaptive evolution of phenotypic plasticity and historical population genetic processes in purple loosestrife (Lythrum salicaria L.) invasion in North America, Young Jin Chun

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Taxonomic review, phylogeny, and geographical population structure of the sawfishes (Chondrichthyes, Pristiformes), Vicente Vieira Faria

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An evaluation of anuran monitoring by Iowa Department of Natural Resource volunteers and the spatial scale of habitat use in northwestern Iowa, Anne M. Johnson

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Small and large-scale landscape approaches for conservation of the imperiled Blanding's turtle, Emys blandingii, Lindsay Marie Carroll Kasuga