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Articles 211 - 219 of 219
Full-Text Articles in Physical Sciences and Mathematics
Impacts Of Forest Disturbance On Small Mammal Distribution, Allyson Lenora Degrassi
Impacts Of Forest Disturbance On Small Mammal Distribution, Allyson Lenora Degrassi
Graduate College Dissertations and Theses
Natural habitat in the eastern United States has diminished over the past century because of the effects of invasive species. Both plant and animal invaders can alter habitat structure and may decrease survival of native species. The degree to which an invasive species alters ecosystem function depends on the functional characteristics of affected species and the resulting cascading effects. The loss of important native species, such as foundation species, can potentially influence the structure and distribution of animal communities because of the foundation species' unique ecosystem roles. The foundation species concept is relatively new to the terrestrial ecology and the …
Assessing The Cost Of Global Biodiversity And Conservation Knowledge, Diego Juffe-Bignoli, Thomas M. Brooks, Stuart H. M. Butchart, Richard B. Jenkins, Kaia Boe, Michael Hoffman, Ariadne Angulo, Steve Bachman, Monica Böhm, Neil Brummitt, Kent E. Carpenter
Assessing The Cost Of Global Biodiversity And Conservation Knowledge, Diego Juffe-Bignoli, Thomas M. Brooks, Stuart H. M. Butchart, Richard B. Jenkins, Kaia Boe, Michael Hoffman, Ariadne Angulo, Steve Bachman, Monica Böhm, Neil Brummitt, Kent E. Carpenter
Biological Sciences Faculty Publications
Knowledge products comprise assessments of authoritative information supported by standards, governance, quality control, data, tools, and capacity building mechanisms. Considerable resources are dedicated to developing and maintaining knowledge products for biodiversity conservation, and they are widely used to inform policy and advise decision makers and practitioners. However, the financial cost of delivering this information is largely undocumented. We evaluated the costs and funding sources for developing and maintaining four global biodiversity and conservation knowledge products: The IUCN Red List of Threatened Species, the IUCN Red List of Ecosystems, Protected Planet, and the World Database of Key Biodiversity Areas. These are …
Tick-, Mosquito-, And Rodent-Bourne Parasite Sampling Designs For The National Ecological Observatory Network, Yuri Springer, David Hoekman, Pieter T.J. Johnson, Paul A. Duffy, Rebecca A. Hufft, Holly D. Gaff
Tick-, Mosquito-, And Rodent-Bourne Parasite Sampling Designs For The National Ecological Observatory Network, Yuri Springer, David Hoekman, Pieter T.J. Johnson, Paul A. Duffy, Rebecca A. Hufft, Holly D. Gaff
Biological Sciences Faculty Publications
Parasites and pathogens are increasingly recognized as significant drivers of ecological and evolutionary change in natural ecosystems. Concurrently, transmission of infectious agents among human, livestock, and wildlife populations represents a growing threat to veterinary and human health. In light of these trends and the scarcity of long-term time series data on infection rates among vectors and reservoirs, the National Ecological Observatory Network (NEON) will collect measurements and samples of a suite of tick-, mosquito-, and rodent-borne parasites through a continental-scale surveillance program. Here, we describe the sampling designs for these efforts, highlighting sampling priorities, field and analytical methods, and the …
Predicting The Impact Of Future Climate On Ecologically Important Macroalgae, Charlie Phelps
Predicting The Impact Of Future Climate On Ecologically Important Macroalgae, Charlie Phelps
Theses: Doctorates and Masters
Macroalgae play an important role in coastal reef systems and are often referred to as ecosystem engineers. They serve as primary producers, supporting a diverse range of organisms, and are a sink for atmospheric CO2. Water acidification and ocean warming caused by anthropogenic activities are affecting many marine flora and fauna, potentially impacting the physical and chemical performance of macroalgae and the consumption rates of associated herbivores. Many studies have focused on ocean acidification or ocean warming individually but there is an overall lack of research investigating the combined effects and the ensuing repercussions on consumer-prey relationships.
Three species of …
Review Of Following The Wild Bees: The Craft And Science Of Bee Hunting By Thomas D. Seeley, Katrina Klett
Review Of Following The Wild Bees: The Craft And Science Of Bee Hunting By Thomas D. Seeley, Katrina Klett
The Prairie Naturalist
Since the media’s coverage of the sudden losses of worker bee populations in many honeybee colonies during the winter of 2006-07 (a phenomenon that was later termed the Colony Collapse Disorder or CCD), there have been increasingly high levels of popular interest in bees and beekeeping in the United States. While a number of books have followed this wave of interest, Following the Wild Bees: The Craft and Science of Bee Hunting by Thomas Seeley is a fundamentally unique contribution to popular honeybee literature. The focus of the book is not on the current synergy of effects that are leading …
To Jump Or Not To Jump: Mule Deer (Odocoileus Hemionus) And White-Tailed Deer (Odocoileus Virginianus) Crossing Decisions, Emily N. Burkholder
To Jump Or Not To Jump: Mule Deer (Odocoileus Hemionus) And White-Tailed Deer (Odocoileus Virginianus) Crossing Decisions, Emily N. Burkholder
Undergraduate Theses, Professional Papers, and Capstone Artifacts
There have been recent efforts to enhance ungulate movement through modified fencing structures. Ungulates such as mule deer (Odocoileus hemionus) and white-tailed deer (Odocoileus virginianus) typically negotiate fences by either jumping over fencing or going under. Here we examine crossing success and crossing decisions of mule deer and white-tailed deer and determine factors that influence crossing success and the impending decision to jump over or crawl underneath fencing. Using a BACI (Before-After-Control-Impact) design, we deployed remote cameras along fence lines in three study areas; Canadian Forces Base (CFB) Suffield and OneFour research center in Southeastern Alberta, …
Fidelity And Survival Of Breeding Mallards In The Nebraska Sandhills, Zachary J. Cunningham, Larkin Powell, Mark P. Vrtiska
Fidelity And Survival Of Breeding Mallards In The Nebraska Sandhills, Zachary J. Cunningham, Larkin Powell, Mark P. Vrtiska
The Prairie Naturalist
Assessment of demographic parameters of a population allows managers to better understand factors affecting populations and increase efficiency of conservation efforts. Few data on demographics exist for mallards (Anas platyrhynchos) breeding in the Nebraska Sandhills. Thus, we used banding data to estimate probabilities of fidelity, survival, band recovery, and recapture of mallards banded in the eastern Sandhills, 2005–2008. Our recapture probability estimate for mallards was 0.074 (95% CI: 0.033–0.158), and the recovery probability estimate was 0.300 (95% CI: 0.156–0.497). Mallard annual survival was 0.795 (95% CI: 0.609–0.906) with a fidelity probability of 0.618 (95% CI: 0.283–0.868). High annual …
An Agent-Based Modeling Approach To Determine Winter Survival Rates Of American Robins And Eastern Bluebirds, Samuel Iselin, Shannon Segin, Alex Capaldi
An Agent-Based Modeling Approach To Determine Winter Survival Rates Of American Robins And Eastern Bluebirds, Samuel Iselin, Shannon Segin, Alex Capaldi
Alex Capaldi
Human–Wildlife Conflict And Coexistence, Philip J. Nyhus