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Articles 211 - 240 of 1123
Full-Text Articles in Ecology and Evolutionary Biology
Host-Use Patterns Of Canopy-Inhabiting Click Beetles (Coleoptera: Elateridae) In A Lowland Rainforest In Southern Venezuela, Susan Kirmse, Paul J. Johnson
Host-Use Patterns Of Canopy-Inhabiting Click Beetles (Coleoptera: Elateridae) In A Lowland Rainforest In Southern Venezuela, Susan Kirmse, Paul J. Johnson
Insecta Mundi
The arboreal click beetle fauna (Coleoptera: Elateridae) in a lowland tropical rainforest in southern Venezuela was observed and collected by means of a tower crane for a full year. The evaluation of the elaterid assemblage is part of a general survey of Coleoptera associated with several canopy trees. The Elateridae represented the tenth most species-rich beetle family in the canopy of the crane plot and was therefore selected for a detailed analysis of host-use patterns. In total, 20 species of Elateridae with 402 adult individuals were sampled, including seven singletons. Species were either flower visiting (Aeolus Eschscholtz and Cosmesus …
Taxonomic Revision Of The Western Hemisphere Checkered Beetle Genus Axina Kirby (Coleoptera: Cleridae: Clerinae), Weston Opitz
Taxonomic Revision Of The Western Hemisphere Checkered Beetle Genus Axina Kirby (Coleoptera: Cleridae: Clerinae), Weston Opitz
Insecta Mundi
The New World genus Axina Kirby (Coleoptera: Cleridae) is revised for the first time. Thirty-two new species are described: Axina acutipennis, A. adelosa, A. atmis, A. bahia, A. bella, A. brunnea, A. chiasta, A. furcula, A. heveli, A. ignota, A. klisis, A. latilinea, A. lobispinula, A. luzia, A. macilenta, A. megaspina, A. minas, A. ochra, A. oligocheia, A. ordinis, A. …
Notes On The Taxonomy And Distribution Of Xylocopa Coronata Smith, 1860, A Large Carpenter Bee From Maluku, Indonesia (Insecta: Hymenoptera: Apidae), Jonathan R. Mawdsley
Notes On The Taxonomy And Distribution Of Xylocopa Coronata Smith, 1860, A Large Carpenter Bee From Maluku, Indonesia (Insecta: Hymenoptera: Apidae), Jonathan R. Mawdsley
Insecta Mundi
The recently rediscovered female holotype of Xylocopa coronata Smith, 1860, (Hymenoptera: Apidae) collected by Alfred Russel Wallace at the type locality of “Kaisaa” (= modern-day Kaioa, Maluku, Indonesia) is illustrated for the first time. Dorsal and lateral images of males and females of X. coronata and a map showing the known distribution of the species are provided. Females of this species exhibit geographic color variation in dorsal pubescence patterns and wing iridescence. At the present time, two subspecies are recognized: X. coronata combinata Ritsema from the island of Obi, Maluku, Indonesia, and X. coronata coronata Smith from …
The Role Of Microhabitats In Structuring Cave Invertebrate Communities In Guatemala, Gabrielle S.M. Pacheco, Marconi Souza Silva, Enio Cano, Rodrigo L. Ferreira
The Role Of Microhabitats In Structuring Cave Invertebrate Communities In Guatemala, Gabrielle S.M. Pacheco, Marconi Souza Silva, Enio Cano, Rodrigo L. Ferreira
International Journal of Speleology
Several studies have tried to elucidate the main environmental features driving invertebrate community structure in cave environments. They found that many factors influence the community structure, but rarely focused on how substrate types and heterogeneity might shape these communities. Therefore, the objective of this study was to assess which substrate features and whether or not substrate heterogeneity determines the invertebrate community structure (species richness and composition) in a set of limestone caves in Guatemala. We hypothesized that the troglobitic fauna responds differently to habitat structure regarding species richness and composition than non-troglobitic fauna because they are more specialized to live …
Ecological Factors Influencing Wild Pig Damage To Planted Pine And Hardwood Seedlings, Micah P. Fern, James B. Armstrong, Rebecca J. Barlow, John S. Kush
Ecological Factors Influencing Wild Pig Damage To Planted Pine And Hardwood Seedlings, Micah P. Fern, James B. Armstrong, Rebecca J. Barlow, John S. Kush
Human–Wildlife Interactions
Expanding wild pig (Sus scrofa) populations across the southern United States has the potential to impact longleaf pine (Pinus palustris) restoration efforts. The depredation of planted pine seedlings is the most widespread and economically costly damage caused by wild pigs in forest plantations. A better understanding of the ecological factors affecting depredation rates will allow managers to implement best management practices to reduce seedling mortality from wild pigs at their most vulnerable stage of growth. From March 2016 to March 2017, we evaluated wild pig preferences for planted pine and hardwood species at a 34.4-ha cutover …
Faunal Remains From Archaeology Sites In Southwestern New Mexico, Karen Gust Schollmeyer, S. O. Macdonald
Faunal Remains From Archaeology Sites In Southwestern New Mexico, Karen Gust Schollmeyer, S. O. Macdonald
Occasional Papers
This study attempts to create a comprehensive catalog of all known records of faunal remains recovered from 105 archaeological sites located across southwestern New Mexico. These sites range in age from 2000BC to AD 1450. Approximately 250 taxa of mollusks, fishes, amphibians, reptiles, birds and mammals are represented in this compilation. Primary reference materials from published and unpublished sources are included, along with the repositories where relevant collections may be found for potential reexamination by researchers from a variety of fields of interest.
Resource Use By American Black Bears In Suburbia: A Landholder Step Selection Approach, Farshid S. Ahrestani, Mark A. Ternent, Matthew J. Lovallo, W. David Walter
Resource Use By American Black Bears In Suburbia: A Landholder Step Selection Approach, Farshid S. Ahrestani, Mark A. Ternent, Matthew J. Lovallo, W. David Walter
Human–Wildlife Interactions
Range expansion of American black bears (Ursus americanus; bear) and residential development have increased the bear presence in suburbia. Suburban landscapes exhibiting patchworks of variable-sized parcels and habitats and owned by landowners with diverse values can create large areas of suitable habitats with limited public access. These landscapes may limit the effectiveness of hunting as a traditional bear population management tool. Managers require better information regarding landowner attitudes about hunting before implementing harvest regulations intended to mitigate conflicts in suburban areas. To address this need, in 2013, we surveyed landowners to identify properties that allowed bear hunting in 3 …
Distribution And Activity Patterns Of Large Carnivores And Their Implications For Human–Carnivore Conflict Management In Namibia, Summer Fink, Richard Chandler, Michael Chamberlain, Steven Castleberry, Shannon Glosenger-Thrasher
Distribution And Activity Patterns Of Large Carnivores And Their Implications For Human–Carnivore Conflict Management In Namibia, Summer Fink, Richard Chandler, Michael Chamberlain, Steven Castleberry, Shannon Glosenger-Thrasher
Human–Wildlife Interactions
Human–wildlife conflicts (HWCs) are increasing globally and contributing to the decline of wildlife species. In sub-Saharan African countries such as Namibia, most of the suitable land has been or is currently being converted to crop and livestock production to support income or subsistence agriculture. These changes in land use often incur increased levels of HWCs because of crop and livestock depredation by native species. To quantify livestock predation risks posed by carnivores in Namibia, we deployed 30 trail cameras on a 6,500-ha farm in the Khomas region of Namibia from May to July 2018. We developed occupancy models to make …
Water Quality Assessment In The Occurrence Of Acanthaster Spp. (Crown-Of-Thorns Starfish, Cots) On Coral Reefs In Menjangan Island, Bali, Indonesia, Novia Arinda Pradisty, Eghbert Elvan Ampou, Rizki Hanintyo
Water Quality Assessment In The Occurrence Of Acanthaster Spp. (Crown-Of-Thorns Starfish, Cots) On Coral Reefs In Menjangan Island, Bali, Indonesia, Novia Arinda Pradisty, Eghbert Elvan Ampou, Rizki Hanintyo
Makara Journal of Science
Aquatic stressors are known to cause biological impairment that can result in biodiversity loss in several Marine Protected Areas (MPA), including in Menjangan Island, West Bali National Park. The objectives of this study were to correlate the changes in water quality parameters with the biological effect of Crown-of-Thorns starfish (CoTS) population dynamics and to assess the most applicable parameters for continuous environmental monitoring. Field observations and surveys were conducted three times in 2017, during the wet season, dry season and season transition, in order to assess the effect of seasonal variability. Redundancy Analysis (RDA) was performed to determine the relationship …
Do Urban Red Foxes Attack People? An Exploratory Study And Review Of Incidents In Britain, Bethany Bridge, Stephen Harris
Do Urban Red Foxes Attack People? An Exploratory Study And Review Of Incidents In Britain, Bethany Bridge, Stephen Harris
Human–Wildlife Interactions
Human–wildlife interactions are believed to be increasing worldwide, and a number of studies have analyzed the risks posed by larger carnivores. However, people can also perceive smaller species of carnivores as threatening, particularly in urban areas. Red foxes (Vulpes vulpes) started to colonize British cities in the 1930s, and there is growing public concern about foxes biting people, particularly babies. These events are generally described in the press as attacks and generate intense media coverage and speculation that foxes view human infants as potential prey. Because foxes rely primarily on auditory cues for hunting, we conducted acoustic playback …
Environmental Variability Supports Chimpanzee Behavioural Diversity, Ammie K. Kalan, Lars Kulik, Mimi Arandjelovic, Christophe Boesch, Fabian Haas, Paula Dieguez, Christopher D. Barratt, Ekwoge E. Abwe, Anthony Agbor, Samuel Angedakin, Floris Aubert, Emmanuel Ayuk Ayimisin, Emma Bailey, Mattia Bessone, Gregory Brazzola, Valentine Ebua Buh, Rebecca Chancellor, Heather Cohen, Charlotte Coupland, Bryan Curran, Emmanuel Danquah, Tobias Deschner, Dervla Dowd, Manasseh Eno-Nku, J. Michael Fay, Annemarie Goedmakers, Anne-Celine Granjon, Josephine Head, Daniela Hedwig, Veerle Hermans, Kathryn J. Jeffery, Sorrel Jones, Jessica Junker, Parag Kadam, Mohamed Kambi, Ivonne Kienast, Deo Kujirakwinja, Kevin E. Langergraber, Juan Lapuente, Bradley Larson, Kevin C. Lee, Vera Leinert, Manuel Llana, Sergio Marrocoli, Amelia C. Meier, Bethan Morgan, David Morgan, Emily Neil, Sonia Nicholl, Emmanuelle Normand, Lucy Jayne Ormsby, Liliana Pacheco, Alex Piel, Jodie Preece, Martha M. Robbins, Aaron S. Rundus, Crickette Sanz, Volker Sommer, Fiona Stewart, Nikki Tagg, Claudio Tennie, Virginie Vergnes, Adam Welsh, Erin G. Wessling, Jacob Willie, Roman M. Wittig, Yisa Ginath Yuh, Klaus Zuberbuhler, Hjalmar S. Kuehl
Environmental Variability Supports Chimpanzee Behavioural Diversity, Ammie K. Kalan, Lars Kulik, Mimi Arandjelovic, Christophe Boesch, Fabian Haas, Paula Dieguez, Christopher D. Barratt, Ekwoge E. Abwe, Anthony Agbor, Samuel Angedakin, Floris Aubert, Emmanuel Ayuk Ayimisin, Emma Bailey, Mattia Bessone, Gregory Brazzola, Valentine Ebua Buh, Rebecca Chancellor, Heather Cohen, Charlotte Coupland, Bryan Curran, Emmanuel Danquah, Tobias Deschner, Dervla Dowd, Manasseh Eno-Nku, J. Michael Fay, Annemarie Goedmakers, Anne-Celine Granjon, Josephine Head, Daniela Hedwig, Veerle Hermans, Kathryn J. Jeffery, Sorrel Jones, Jessica Junker, Parag Kadam, Mohamed Kambi, Ivonne Kienast, Deo Kujirakwinja, Kevin E. Langergraber, Juan Lapuente, Bradley Larson, Kevin C. Lee, Vera Leinert, Manuel Llana, Sergio Marrocoli, Amelia C. Meier, Bethan Morgan, David Morgan, Emily Neil, Sonia Nicholl, Emmanuelle Normand, Lucy Jayne Ormsby, Liliana Pacheco, Alex Piel, Jodie Preece, Martha M. Robbins, Aaron S. Rundus, Crickette Sanz, Volker Sommer, Fiona Stewart, Nikki Tagg, Claudio Tennie, Virginie Vergnes, Adam Welsh, Erin G. Wessling, Jacob Willie, Roman M. Wittig, Yisa Ginath Yuh, Klaus Zuberbuhler, Hjalmar S. Kuehl
Anthropology & Sociology Faculty Publications
Large brains and behavioural innovation are positively correlated, species-specific traits, associated with the behavioural flexibility animals need for adapting to seasonal and unpredictable habitats. Similar ecological challenges would have been important drivers throughout human evolution. However, studies examining the influence of environmental variability on within-species behavioural diversity are lacking despite the critical assumption that population diversification precedes genetic divergence and speciation. Here, using a dataset of 144 wild chimpanzee (Pan troglodytes) communities, we show that chimpanzees exhibit greater behavioural diversity in environments with more variability - in both recent and historical timescales. Notably, distance from Pleistocene forest refugia is associated …
Groundwater Quality In Two Semi-Arid Areas Of Algeria: Impact Of Water Pollution On Biodiversity, Redjaimia Lylia, Hadjab Ramzi, Khammar Hichem, Merzoug Djemoi, Saheb Menouar
Groundwater Quality In Two Semi-Arid Areas Of Algeria: Impact Of Water Pollution On Biodiversity, Redjaimia Lylia, Hadjab Ramzi, Khammar Hichem, Merzoug Djemoi, Saheb Menouar
Journal of Bioresource Management
The biodiversity and quality of subterranean waters were comparatively studied in the Tarf plain near Oum-El-Bouaghi and in the Ksar S’bahi in Oum-El-Bouaghi, in North-eastern Algeria. For this purpose, physicochemical and faunistic analyses were carried out on the water of ten stations located in the area of Tarf, and thirteen in the area of S’bahi. In the wells of Tarf, the average stygobiologic diversity was relatively high in the wells located upstream the dumping site from the city where the groundwater presented low contents of nitrates and orthophosphates. In contrast, the wells located in the spreading zone of Tarf wastewaters …
True Morels (Morchella Spp.) And Community Livelihood Improvement In Mankial Valley, District Swat, Khyber Pakhtunkhwa, Pakistan, Syed Fazal Baqi Kakakhel
True Morels (Morchella Spp.) And Community Livelihood Improvement In Mankial Valley, District Swat, Khyber Pakhtunkhwa, Pakistan, Syed Fazal Baqi Kakakhel
Journal of Bioresource Management
True morels collected from wild provide an economic source for the rural community of Mankial valley (District Swat, Khyber Pukhtunkhawa, Pakistan). Sale of approximately 334 kg in dry weight of five species of true morels (Morchella conica, M. esculenta, M. deliciosa, M. rotunda and M. semilibera) fetch US$ 57133 (under US$ 2015-16 exchange rate) to Mankial community and generate a revenue of US$ 62935 in Mingora (regional market) and US$ 87011 in Islamabad (national capital) markets. Morchella conica (average annual dry weight harvested 156 kg) has a high market price value (US$ 2964-44616) in all the three markets. …
Resilience And Alternative Stable States After Desert Wildfires, Scott R. Abella, Dominic M. Gentilcore, Lindsay P. Chiquoine
Resilience And Alternative Stable States After Desert Wildfires, Scott R. Abella, Dominic M. Gentilcore, Lindsay P. Chiquoine
Life Sciences Faculty Research
Improving models of community change is a fundamental goal in ecology and has renewed importance during global change and increasing human disturbance of the biosphere. Using the Mojave Desert (southwestern United States) as a model system, invaded by nonnative plants and subject to wildfire disturbances, we examined models of resilience, alternative stable states, and convergent-divergent trajectories for 36 yr of plant community change after 31 wildfires in communities dominated by the native shrubs Larrea tridentata or Coleogyne ramosissima. Perennial species richness on average was fully resilient within 23 yr after disturbance in both community types. Perennial cover was fully resilient …
Simulated Fire Behavior And Fine-Scale Forest Structure Following Conifer Removal In Aspen-Conifer Forests In The Lake Tahoe Basin, Usa, Justin P. Ziegler, Chad M. Hoffman, Brandon M. Collins, Jonathan W. Long, Christa M. Dagley, William Mell
Simulated Fire Behavior And Fine-Scale Forest Structure Following Conifer Removal In Aspen-Conifer Forests In The Lake Tahoe Basin, Usa, Justin P. Ziegler, Chad M. Hoffman, Brandon M. Collins, Jonathan W. Long, Christa M. Dagley, William Mell
Aspen Bibliography
Quaking aspen is found in western forests of the United States and is currently at risk of loss due to conifer competition at within-stand scales. Wildfires in these forests are impactful owing to conifer infilling during prolonged fire suppression post-Euro-American settlement. Here, restoration cuttings seek to impact wildfire behavior and aspen growing conditions. In this study, we explored how actual and hypothetical cuttings with a range of conifer removal intensity altered surface fuel and overstory structure at stand and fine scales. We then simulated wildfires, examining fire behavior and effects on post-fire forest structures around aspen trees. We found that …
A Novel Bioaugmentation Technique Effectively Increases The Skin-Associated Microbial Diversity Of Captive Eastern Hellbenders, Erin K. Kenison, Obed Hernandez-Gomez, Rod N. Williams
A Novel Bioaugmentation Technique Effectively Increases The Skin-Associated Microbial Diversity Of Captive Eastern Hellbenders, Erin K. Kenison, Obed Hernandez-Gomez, Rod N. Williams
Natural Sciences and Mathematics | Faculty Scholarship
Captive environments are maintained in hygienic ways that lack free-flowing microbes found in animals’ natural environments. As a result, captive animals often have depauperate host-associated microbial communities compared to conspecifics in the wild and may have increased disease susceptibility and reduced immune function. Eastern hellbenders (Cryptobranchus alleganiensis alleganiensis) have suffered precipitous population declines over the past few decades. To bolster populations, eastern hellbenders are reared in captivity before being translocated to the wild. However, the absence of natural microbial reservoirs within the captive environment diminishes the diversity of skin-associated bacteria on hellbender skin and may negatively influence their ability to …
Drought- Conditioning Of Quaking Aspen (Populus Tremuloides Michx.) Seedlings During Nursery Production Modifies Seedling Anatomy And Physiology, Joshua L. Sloan, Owen T. Burney, Jeremiah R. Pinto
Drought- Conditioning Of Quaking Aspen (Populus Tremuloides Michx.) Seedlings During Nursery Production Modifies Seedling Anatomy And Physiology, Joshua L. Sloan, Owen T. Burney, Jeremiah R. Pinto
Aspen Bibliography
In the western US, quaking aspen (Populus tremuloides Michx.) regenerates primarily by root suckers after disturbances such as low to moderate severity fires. Planting aspen seedlings grown from seed may provide a mechanism to improve restoration success and genetic diversity on severely disturbed sites. However, few studies have examined the use of container-grown aspen seedlings for restoration purposes from both the outplanting and nursery production perspective. Thus, the purpose of this novel study was to examine how alterations in irrigation levels during nursery production across three seed sources would impact seedling performance attributes on harsh, dry outplanting sites. Irrigation …
Evidence For Height And Immune Function Trade-Offs Among Preadolescents In A High Pathogen Population, Angela R. Garcia, Aaron Blackwell, Benjamin C. Trumble, Jonathan Stieglitz, Hillard Kaplan, Michael Gurven
Evidence For Height And Immune Function Trade-Offs Among Preadolescents In A High Pathogen Population, Angela R. Garcia, Aaron Blackwell, Benjamin C. Trumble, Jonathan Stieglitz, Hillard Kaplan, Michael Gurven
ESI Publications
Background
In an energy-limited environment, caloric investments in one characteristic should trade-off with investments in other characteristics. In high pathogen ecologies, biasing energy allocation towards immune function over growth would be predicted, given strong selective pressures against early-life mortality.
Methodology
In the present study, we use flow cytometry to examine trade-offs between adaptive immune function (T cell subsets, B cells), innate immune function (natural killer cells), adaptive to innate ratio and height-for-age z scores (HAZ) among young children (N = 344; aged 2 months–8 years) in the Bolivian Amazon, using maternal BMI and child weight-for-height z scores (WHZ) as …
Fire As A Fundamental Ecological Process: Research Advances And Frontiers, Megan Cattau
Fire As A Fundamental Ecological Process: Research Advances And Frontiers, Megan Cattau
Human-Environment Systems Research Center Faculty Publications and Presentations
- Fire is a powerful ecological and evolutionary force that regulates organismal traits, population sizes, species interactions, community composition, carbon and nutrient cycling and ecosystem function. It also presents a rapidly growing societal challenge, due to both increasingly destructive wildfires and fire exclusion in fire‐dependent ecosystems. As an ecological process, fire integrates complex feedbacks among biological, social and geophysical processes, requiring coordination across several fields and scales of study.
- Here, we describe the diversity of ways in which fire operates as a fundamental ecological and evolutionary process on Earth. We explore research priorities in six categories of fire ecology: (a) characteristics …
Transgenerational Plasticity Causes Differences In Uv-Tolerance Of Intertidal And Subtidal Populations Of The Purple Sea Urchin, Strongylocentrotus Purpuratus, Yareli Alvarez, Nikki L. Adams
Transgenerational Plasticity Causes Differences In Uv-Tolerance Of Intertidal And Subtidal Populations Of The Purple Sea Urchin, Strongylocentrotus Purpuratus, Yareli Alvarez, Nikki L. Adams
Master's Theses
Planktonic larvae of marine organisms are increasingly being exposed and required to respond to a changing physical environment. Adult sea urchins occupy both intertidal and subtidal waters and broadcast spawn gametes into the water column to contend with variable physical conditions. To answer how populations of invertebrates residing at different depths adequately prepare their offspring to cope with different levels of ultraviolet radiation (UVR), we collected adult purple sea urchins, Strongylocentrotus purpuratus, from four sites (two intertidal and two subtidal (~15 m deep)) on the central coast of CA to compare UV tolerance in offspring. Our measurements of UVA …
Great Lakes Snake: Estimating The Occupancy And Detection Probabilities Of The Eastern Massasauga Rattlesnake (Sistrurus Catenatus), Arin June Thacker
Great Lakes Snake: Estimating The Occupancy And Detection Probabilities Of The Eastern Massasauga Rattlesnake (Sistrurus Catenatus), Arin June Thacker
Masters Theses
Detailed knowledge of a species’ range and distribution is important for understanding species persistence and developing species management plans. This issue is particularly pronounced in threatened species with wide-spread range and a low detectability in their natural environment, as surveying and successfully encountering this type of species is oftentimes difficult. One such species is the eastern massasauga rattlesnake (Sistrurus catenatus), a smallbodied pit viper with a distribution centered around the Great Lakes region. We used singleseason occupancy modeling in order to reassess the status of historic massasauga occurrences. We evaluated factors affecting eastern massasauga detection probability from a …
Experimental Nitrogen Addition Alters Structure And Function Of A Boreal Poor Fen: Implications For Critical Loads, R. Kelman Wieder, Dale H. Vitt, Melanie A. Vile, Jeremy A. Graham, Jeremy A. Hartsock, Jacqueline M.A. Popma, Hope Fillingim, Melissa House, James C. Quinn, Kimberli D. Scott, Meaghan Petix, Kelly J. Mcmillen
Experimental Nitrogen Addition Alters Structure And Function Of A Boreal Poor Fen: Implications For Critical Loads, R. Kelman Wieder, Dale H. Vitt, Melanie A. Vile, Jeremy A. Graham, Jeremy A. Hartsock, Jacqueline M.A. Popma, Hope Fillingim, Melissa House, James C. Quinn, Kimberli D. Scott, Meaghan Petix, Kelly J. Mcmillen
Public Health Sciences Faculty Publications
Bogs and fens cover 6 and 21%, respectively, of the 140,329 km2 Oil Sands Administrative Area in northern Alberta. Regional background atmospheric N deposition is low (b2 kg N ha−1 yr−1 ), but oil sands development has led to increasing N deposition (as high as 17 kg N ha−1 yr−1 ). To examine responses to N deposition, over five years, we experimentally applied N (as NH4NO3) to a poor fen near Mariana Lake, Alberta, unaffected by oil sands activities, at rates of 0, 5, 10, 15, 20, and 25 kg N ha−1 yr−1 , plus controls (no water or N …
Post Burn Restoration Response Of Encelia Virginensis Within A Small Wash System In The Mojave Desert, Dale A. Devitt, Fred Landau, Scott R. Abella, Matt D. Petrie, Ann M. Mcluckie, John O. Kellam
Post Burn Restoration Response Of Encelia Virginensis Within A Small Wash System In The Mojave Desert, Dale A. Devitt, Fred Landau, Scott R. Abella, Matt D. Petrie, Ann M. Mcluckie, John O. Kellam
Life Sciences Faculty Research
Spatial variation in response to restoration treatments within landscapes can be a significant but poorly understood driver of successful ecological restoration. We conducted a field experiment to assess effectiveness of out-planting restoration techniques for the native shrub Encelia virginensis across a soil hydrological gradient. We planted seedlings at five wash locations separated by varying distances based on elevation and percent slope. At each of these plots we planted seedlings, half on the side wall slopes of the wash system and half adjacent to the central wash. Seedlings received either cages, hydrogel, cages and hydrogel, or no treatments. We assessed survival …
Evolution Of Breeding Plumages In Birds: A Multiple-Step Pathway To Seasonal Dichromatism In New World Warblers (Aves: Parulidae), Ryan S. Terrill, Glenn F. Seeholzer, Jared D. Wolfe
Evolution Of Breeding Plumages In Birds: A Multiple-Step Pathway To Seasonal Dichromatism In New World Warblers (Aves: Parulidae), Ryan S. Terrill, Glenn F. Seeholzer, Jared D. Wolfe
Michigan Tech Publications, Part 1
Ecology and Evolution published by John Wiley & Sons Ltd Many species of birds show distinctive seasonal breeding and nonbreeding plumages. A number of hypotheses have been proposed for the evolution of this seasonal dichromatism, specifically related to the idea that birds may experience variable levels of sexual selection relative to natural selection throughout the year. However, these hypotheses have not addressed the selective forces that have shaped molt, the underlying mechanism of plumage change. Here, we examined relationships between life-history variation, the evolution of a seasonal molt, and seasonal plumage dichromatism in the New World warblers (Aves: Parulidae), a …
Dietary Development And Nutritional Ontogeny In Gorilla Beringei : A Multi-Layered, -Omics Approach, Emma C. Cancelliere
Dietary Development And Nutritional Ontogeny In Gorilla Beringei : A Multi-Layered, -Omics Approach, Emma C. Cancelliere
Dissertations, Theses, and Capstone Projects
In species who consume folivorous diets, immature individuals must contend with the challenges of extracting nutrients from fibrous foods before dietary adaptations and strategies are fully developed. Additionally, immatures have distinct nutritional needs to support their stage-specific metabolic and biophysiological requirements. To meet these stage-specific needs, while constrained by underdeveloped feeding strategies and digestive capacities, immatures may adopt distinct diets better suited to their specific developmental context. However, where dietary modification is constrained by low dietary diversity or landscape homogeneity, it is unclear how immature individuals compensate through alternative strategies. In turn, little is known about the nutritional and life …
Human Impact Overrides Bioclimatic Drivers Of Red Fox Home Range Size Globally, Michael T. Main, Robert A. Davis, David Blake, Harriet Mills, Tim S. Doherty
Human Impact Overrides Bioclimatic Drivers Of Red Fox Home Range Size Globally, Michael T. Main, Robert A. Davis, David Blake, Harriet Mills, Tim S. Doherty
Research outputs 2014 to 2021
© 2020 The Authors. Diversity and Distributions published by John Wiley & Sons Ltd Aim: Identifying the variables that influence animal home range size is important for understanding the biological requirements of individuals and their social interactions. Given their often broad distributions, carnivores are model organisms for studying range-wide determinants of home range size. Here, we test predictions about environmental determinants of home range size for one of the world's most widely distributed carnivores, the red fox (Vulpes vulpes). Location: Global. Methods: We compiled a database of 70 mean home range estimates from 62 studies and four continents, which we …
Summer Field Report, June-July 2020, W. Ross Silcock
Summer Field Report, June-July 2020, W. Ross Silcock
Nebraska Bird Review
Overall, this was a fairly routine summer although birders in Nebraska know that “routine” still holds promise of a few happenings out of the ordinary. The summer season primarily examines new breeding records, range expansions, and changes in numbers, up or down. Mississippi Kites were conspicuous, a pair providing Scottsbluff’s first breeding record, but a repeating pair in Lincoln, Lancaster lost its nest in a windstorm. The first nesting record for Violet-Green Swallow for Sheridan, 7th nesting for White-winged Dove, and 9th for Short-eared Owl were all encouraging, as was an apparent family group of Northern Saw-whet Owls in Sioux. …
Robert Wolcott And The Art Of Nest Records, Thomas E. Labedz
Robert Wolcott And The Art Of Nest Records, Thomas E. Labedz
Nebraska Bird Review
The autumn of 1894 was fortuitous for Nebraska ornithology because it is when Robert Henry Wolcott accepted an assistantship at the University of Nebraska, moving to Lincoln from the University of Michigan (Swenk 1935). Wolcott, from that point onward, made significant contributions to our knowledge of Nebraska birds (Bruner et al. 1903, Wolcott 1909, 1919), was a founding member of the Nebraska Ornithologists’ Union (NOU), and was editor for the first three Proceedings of the NOU from 1899-1902. His work expanded beyond local focus and he eventually authored a text on animal biology (Wolcott 1933). The topic of this paper, …
The Nebraska Bird Review, Volume 88 September 2020, Number 3
The Nebraska Bird Review, Volume 88 September 2020, Number 3
Nebraska Bird Review
Summer Field Report, June - July 2020, by W. Ross Silcock …94.
Robert Wolcott and the Art of Nest Records, by Thomas E. Labedz …112
2019 (31st) Report of the NOU Records Committee, by Mark A. Brogie …124
Subscription and Organization Information …135
Genetic Population Structure And Microbiome Of German Cockroaches In Urban Environments, Xueyang Fan
Genetic Population Structure And Microbiome Of German Cockroaches In Urban Environments, Xueyang Fan
Dissertations
Pests of human habitats may harbor and disperse pathogens that cause human disease. One such pest is the German cockroach (Blattella germanica), which is known to harbor numerous pathogens, including Klebsiella and Pseudomonas. The aim of this study is to reveal the importance of the German cockroach as a potential vector of human medically important diseases. To do so, this study investigates German cockroach population structure and their associated bacterial microbiome in urban residential environments. Ninety German cockroaches are collected from three residential apartment buildings in three New Jersey cities. Samples are caught by glue traps and stored at -20°C. …