Tyler Brasington

At 27 years old, grizzly bear #399 became the oldest documented female grizzly bear in the Greater Yellowstone Ecosystem (GYE) to successfully reproduce.

The United States is experiencing the worst highly pathogenic avian influenza (HPAI) epizootic (zootic disease outbreak), in our history. The recent abrupt change in ecology and epidemiology of the avian flu has drawn global concern, as the virus continues to run rampant, spreading to new geographic regions resulting in unusual wild bird die-offs,...

Decades ago, but similar to today, Yellowstone National Park (Wyoming, Montana, and Idaho, USA) struggled with increasing visitation and tourism. The people, lodging, and transportation fluxes generated refuse and waste that the park had to manage. The park responded by creating dump locations where refuse and garbage would be deposited. This artic...

Beavers: Ecology, Behaviour, Conservation, and Management is arguably one of the only comprehensive guides on beavers (Castor fiber, Castor canadensis) to date. Therein, Frank Rosell and Róisín Campbell‐Palmer present the crucial role of beavers in ecosystems and their continued conservation and management worldwide. This review summarizes and crit...

This article explores the potential disruption in grizzly bear gut microbiota from the prophylactic use of antibiotics during chemical capture and immobilization. Many capture protocols still incorporate systemic prophylactic antibiotic use (DuraPen or LA-200) on every grizzly bear capture despite a growing body of research showing that antibiotics...

We used a CompactXR Forward-looking Infrared (FLIR) device to document a black bear den in Yellowstone National Park. Previous research has focused on various FLIR systems employed in the field. We briefly outline our success in using a consumer grade FLIR, and recommend further exploration into its use for practical applications in field environme...

Focus on the forest health issues surrounding whitebark pine communities within the Greater Yellowstone Ecosystem (GYE) with a particular emphasis on white pine blister rust and mountain pine beetles. Relevant management recommendations and how these issues are currently being addressed.

Monitoring and surveillance are superb applications for citizen science, requiring little technical or specialized equipment. Yellowstone National Park provides a unique opportunity to utilize citizen science, given its dedicated local community, wildlife-watching community, and continual accessibility. Integrating citizen science with federal agen...

The intent and purpose of this document is to summarize and synthesize preceding research and analysis providing a comprehensive policy analysis of Yellowstone grizzly bears, the Endangered Species Act and 2016 Conservation Strategy for Grizzly Bear in the Greater Yellowstone Ecosystem. The goal for this document is: (a) to provide a policymakers w...

Presentation on Greater Yellowstone Grizzly Bears: Research, Recovery, and Conservation presented to the Biology Department: Biology Forum/Colloquium at the University of Wisconsin-Whitewater instructed by Andrea Romero, PhD.

Presentation on human-bear interactions in Grand Teton National Park given to Parks & Protected Areas Management course at Colorado State University instructed by Jennifer Solomon, PhD.

The goal of this summary is to highlight new and developing non-invasive technologies and techniques which may offer broader applicability, better efficiency and effectiveness, and address multiple research questions simultaneously, while reducing the need to capture and handle bears in the field. https://wildlifecaptureandcare.com/the-future-in-b...

Presentation on Grizzly bear management organized and constructed by D. Kolenberg. Presented to the University of Texas - Austin (Parks & Protected Areas Management class) during October 2020. Lecture facilitated via WebEx by D. Kolenberg & T. Brasington

This study and project intends to provide supplementary data and analysis to federal agencies to aid in bear management decisions within Yellowstone National Park. Additionally, we hope to provide insight on the effectiveness of home range estimators on visual observation datasets for grizzly bears utilizing citizen science.

BOOK REVIEW: P.J. White is the Branch Chief of Wildlife and Aquatic Resources at Yellowstone National Park. In his book "Can't Chew the Leather Anymore," White attempts to advance wildlife conservation in the Yellowstone area by providing the reader most recent and up-to-date scientific, social, and political issues both surrounding and influencing...

A logic model is a graphic depiction that presents the shared relationships among resources, activities, outputs, outcomes and impacts for a program. This specific logic model is focusing on Evaluating team Leadership, Communication and Conflict Resolution for Grizzly Bear Management in our National Parks.

A logic model is a graphic depiction that presents the shared relationships among resources, activities, outputs, outcomes and impacts for a program. This specific logic model is focusing Grizzly Bear Management in Grand Teton National Park.

Presentation focus: grizzly bears, and some select topics on their ecology and discussing the work of the interagency grizzly bear study team. Selected topics include basic bear biology, nutrition and diet, movements and range, denning ecology, bear monitoring and population trend, population statistics, captures & known fate monitoring, mortality,...

This paper focuses on large ecological concern (e.g., land use change, climate change, invasive species, etc.) and its impact on ecosystems. In particular, there is a focus on how connections between aquatic and terrestrial ecosystems and interactions between abiotic and biotic characteristics have been altered & will change under future scenarios.

Research on endocrine disrupting compounds has been extremely limited, specifically on what levels are safe in the environment. This type of research takes considerable time and experience to conduct. Detecting presence of endocrine disrupting compounds, however, is a much less complex process. It was the aim of this study to, in the scope of our a...

Abstract [Spatial Relationships and Demographics of Grizzly Bears in Yellowstone National Park] and conference program from the 31st National Conference on Undergraduate Research (NCUR) at the University of Memphis.

Poster presented at the 2017 National Conference for Undergraduate Research (NCUR) at the University of Memphis.

This short condensed study looks at the distribution of grizzly bear sightings in Yellowstone National Park from February 23 - June 6, 2016. Emphasis is placed on locating and following females with cubs within the northern range.