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Ecology and Evolutionary Biology Commons™
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Articles 61 - 70 of 70
Full-Text Articles in Ecology and Evolutionary Biology
Picking Up Where The Tmdl Leaves Off: Using The Partnership Wild And Scenic River Framework For Collaborative River Restoration, Alan R. Hunt, Meiyin Wu, Tsung-Ta David Hsu, Nancy Roberts-Lawler, Jessica T. Miller, Alessandra Rossi, Lee Lee
Picking Up Where The Tmdl Leaves Off: Using The Partnership Wild And Scenic River Framework For Collaborative River Restoration, Alan R. Hunt, Meiyin Wu, Tsung-Ta David Hsu, Nancy Roberts-Lawler, Jessica T. Miller, Alessandra Rossi, Lee Lee
Department of Biology Faculty Scholarship and Creative Works
The National Wild and Scenic Rivers Act protects less than ¼ of a percent of the United States’ river miles, focusing on free-flowing rivers of good water quality with outstandingly remarkable values for recreation, scenery, and other unique river attributes. It predates the enactment of the Clean Water Act, yet includes a clear anti-degradation principle, that pollution should be reduced and eliminated on designated rivers, in cooperation with the federal Environmental Protection Agency and state pollution control agencies. However, the federal Clean Water Act lacks a clear management framework for implementing restoration activities to reduce non-point source pollution, of which …
Observations On The Distribution And Status Of Selected Nebraska Mammals, Zachary P. Roehrs, Russell A. Benedict, Thomas E. Labedz, Hugh H. Genoways
Observations On The Distribution And Status Of Selected Nebraska Mammals, Zachary P. Roehrs, Russell A. Benedict, Thomas E. Labedz, Hugh H. Genoways
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Information on the distribution and current status of 25 species or subspecies of mammals occurring in Nebraska are presented. The species covered include one shrew, an armadillo, eight bats, 10 rodents (including two subspecies of one species), three carnivores, and one artiodactyl. Distributional information reported includes the first state record for one species (Sorex nanus) and new county records for 18 species. In Nebraska, we know that mammals are shifting their geographic ranges with some extending populations into the state, whereas others are expanding their geographic ranges within the state. The current status of six additional mammalian taxa …
Jaguars And Pumas Exhibit Distinct Spatiotemporal Responses To Human Disturbances In Colombia’S Most Imperiled Ecoregion, Joe J. Figel, Sebastián Botero-Cañola, Juan David Sánchez-Londoño, Javier Racero-Casarrubia
Jaguars And Pumas Exhibit Distinct Spatiotemporal Responses To Human Disturbances In Colombia’S Most Imperiled Ecoregion, Joe J. Figel, Sebastián Botero-Cañola, Juan David Sánchez-Londoño, Javier Racero-Casarrubia
University of Nebraska State Museum: Mammalogy Papers
Abstract
Coexistence of sympatric felids is facilitated by mutual avoidance and the partitioning of habitats, prey, and time. Anthropogenic disturbances disrupt this coexistence in fragmented landscapes, potentially triggering cascading influences in ecological communities. We used photographic data from 8,717 trap nights (November 2014–June 2016) at 87 camera trap sites in Colombia’s middle Magdalena River basin to compare spatiotemporal overlap among jaguars (Panthera onca), pumas (Puma concolor), their prey, and humans, at sites of high and low disturbance, as determined by the human influence index. Human disturbance events (e.g. domestic dogs, livestock, and humans, including armed hunters) …
Characterizing Patterns Of Genomic Variation In The Threatened Utah Prairie Dog: Implications For Conservation And Management, Rachael M. Giglio, Tonie E. Rocke, Jorge E. Osorio, Emily Latch
Characterizing Patterns Of Genomic Variation In The Threatened Utah Prairie Dog: Implications For Conservation And Management, Rachael M. Giglio, Tonie E. Rocke, Jorge E. Osorio, Emily Latch
Biological Sciences Faculty Articles
Utah prairie dogs (Cynomys parvidens) are federally threatened due to eradication campaigns, habitat destruction, and outbreaks of plague. Today, Utah prairie dogs exist in small, isolated populations, making them less demographically stable and more susceptible to erosion of genetic variation by genetic drift. We characterized patterns of genetic structure at neutral and putatively adaptive loci in order to evaluate the relative effects of genetic drift and local adaptation on population divergence. We sampled individuals across the Utah prairie dog species range and generated 2,955 single nucleotide polymorphisms (SNPs) using double digest restriction site associated DNA sequencing (ddRAD). Genetic …
Haplotype Network Branch Diversity, A New Metric Combining Genetic And Topological Diversity To Compare The Complexity Of Haplotype Networks, Eric Garcia, Daniel Wright, Remy Gatkins, May B. Roberts, Hudson T. Pinheiro, Eva Salas, Jei-Ying Chen, Jacob R. Winnikoff, Giacomo Bernardi
Haplotype Network Branch Diversity, A New Metric Combining Genetic And Topological Diversity To Compare The Complexity Of Haplotype Networks, Eric Garcia, Daniel Wright, Remy Gatkins, May B. Roberts, Hudson T. Pinheiro, Eva Salas, Jei-Ying Chen, Jacob R. Winnikoff, Giacomo Bernardi
Biological Sciences Faculty Publications
A common way of illustrating phylogeographic results is through the use of haplotype networks. While these networks help to visualize relationships between individuals, populations, and species, evolutionary studies often only quantitatively analyze genetic diversity among haplotypes and ignore other network properties. Here, we present a new metric, haplotype network branch diversity (HBd), as an easy way to quantifiably compare haplotype network complexity. Our metric builds off the logic of combining genetic and topological diversity to estimate complexity previously used by the published metric haplotype network diversity (HNd). However, unlike HNd which uses a combination of network …
Alfred Russel Wallace Notes 8: Wallace's Earliest Exposures To The Writings Of Alexander Von Humboldt, Charles H. Smith
Alfred Russel Wallace Notes 8: Wallace's Earliest Exposures To The Writings Of Alexander Von Humboldt, Charles H. Smith
Faculty/Staff Personal Papers
For many years it has been known that the German geographer and naturalist Alexander von Humboldt (1769-1859) exercised a considerable influence on Alfred Russel Wallace’s (1823-1913) decision to become a travelling naturalist. Almost no attention, however, has been given to the real possibility that von Humboldt exerted an even greater influence on Wallace’s general worldview. In this note, Wallace’s probable earliest contacts with von Humboldt’s writings are described.
Aquatic Coleoptera Of Northern Negros, Philippines, Marc Ryan Sabordo, Carl Michael Buyco, Gwendalyn Henares, Jessica Pacalioga, Hendrik Freitag
Aquatic Coleoptera Of Northern Negros, Philippines, Marc Ryan Sabordo, Carl Michael Buyco, Gwendalyn Henares, Jessica Pacalioga, Hendrik Freitag
Biology Faculty Publications
The water beetle fauna of northern Negros Island has not been comprehensively studied. In this study, aquatic Coleoptera of northern Negros have been compiled from various collections. Specimens were sampled through manual sampling and light trap. Twenty-six (26) species were recorded including 21 which are Philippine endemics. Nine genera and three known species are recorded for the first time from Negros. Notes on distribution, ecology and identification are provided. Possible new species, future potential discoveries as well as current significance in terms of conservation are discussed.
Religious Naturalisms, Carol W. White
Religious Naturalisms, Carol W. White
Other Faculty Research and Publications
This article focuses on recent developments in religious naturalism in the twenty-first century, building on Jerome Stone’s 2008 study of its resurgence in the mid-twentieth century. I introduce religious naturalism as a synthesis of naturalistic ideas that often depart from traditional forms of religious thinking, defining it as a capacious, ecological religious worldview grounded in the observational conviction that nature is ultimate. I also describe different models of religious naturalism, focusing on the key ideas found in the influential publications of contemporary religious naturalists (e.g., Ursula Goodenough, Donald Crosby, Loyal Rue, among others). While acknowledging specific points of emphasis, I …
Lepidopteran Granivory Reduces Seed Counts In A Rare Species Of Riparian Scour Prairies, Cheyenne Moore, Angela J. Mcdonnell, Scott Schuette, Christopher T. Martine
Lepidopteran Granivory Reduces Seed Counts In A Rare Species Of Riparian Scour Prairies, Cheyenne Moore, Angela J. Mcdonnell, Scott Schuette, Christopher T. Martine
Faculty Journal Articles
In Pennsylvania Baptisia australis var. australis is found along only four waterways: the Allegheny River, Youghiogheny River, Clarion River, and Red Bank Creek. Because of its limited distribution and small number of extant populations, the species is considered state-threatened in Pennsylvania. In addition, the riparian prairie habitat that Pennsylvania Baptisia australis var. australis is restricted to is also in decline and considered vulnerable. Because of these conservation concerns, insights into the natural history of the taxon in the state is valuable and will inform conservation efforts. Field surveys and fruit collections along the Allegheny River and herbarium collections were used …
Conservation Status And Natural History Of Ctenomys, Tuco-Tucos In Bolivia, Scott Lyell Gardner, Sebastian Botero-Cañola, Enzo Aliaga Rossel, Altangerel Tsogtsaikhan Dursahinhan, Jorge A. Salazar-Bravo
Conservation Status And Natural History Of Ctenomys, Tuco-Tucos In Bolivia, Scott Lyell Gardner, Sebastian Botero-Cañola, Enzo Aliaga Rossel, Altangerel Tsogtsaikhan Dursahinhan, Jorge A. Salazar-Bravo
Scott L. Gardner Publications
The genus Ctenomys consists of about 70 species and in addition to the Geomyidae of the Nearctic, Neotropical tuco-tucos represent a well-documented case of diversification in the subterranean biotype. Here we will: i) Provide an updated summary of the natural history of the 12 species of extant tuco-tucos from Bolivia; ii) Update information on distributions of each species; and iii) Using ecological niche modeling, evaluate recent and projected habitat transformation or habitat degradation within the known range of each species to provide a preliminary assessment of the preservation or conservation status of ctenomyids within Bolivia. We follow Gardner et al. …