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Articles 1 - 30 of 3975
Full-Text Articles in Life Sciences
Education And Land Management On The Pacific Crest Trail Phase 4, Ben Sherman, Emma Perry, Cade Cappello, Hattie Cahill, Anna Macklyn, Aidan Tull, Tristian Xu, Augrey Gregg
Education And Land Management On The Pacific Crest Trail Phase 4, Ben Sherman, Emma Perry, Cade Cappello, Hattie Cahill, Anna Macklyn, Aidan Tull, Tristian Xu, Augrey Gregg
Baker/Koob Endowments Awarded Projects
This research is a continuation of research collected on the Pacific Crest Trail (PCT). The purpose of this study was to investigate land ethics and education, Leave No Trace principles, and hiker experiences on the PCT. From July 2023-January 2024, interdisciplinary students collected qualitative and quantitative data through interviews and surveys with hikers on the trail. Past phases of this project have determined that this research is necessary, but due to Covid, the team has only been able to gather data remotely via online surveys and interviews prior to this study. The Baker Koob grant funded travel and research equipment …
Managing The Environmental And Socio-Economic Impacts Of Rohingya Refugees In Bangladesh, Mousume Azad
Managing The Environmental And Socio-Economic Impacts Of Rohingya Refugees In Bangladesh, Mousume Azad
Master's Projects and Capstones
In August 2017, nearly 1 million Rohingya people fled to Bangladesh to save their lives from the genocide inflicted by the military of Myanmar. At present, over 1.3 million Rohingyas are staying at Cox’s Bazar, Bangladesh, in 34 overcrowded refugee camps. This research examined the environmental impacts especially the change in vegetation cover and land surface temperature as well as the socioeconomic alteration of the host country after the refugee influx. The research found a 5488 ha or 9.58% decrease in forest area, accompanied by an 8.25% increase in refugee settlement areas, an increase in average land surface temperature within …
The Biltmore Forest School And The Establishment Of Forestry Education In America, Dan Barry Croom
The Biltmore Forest School And The Establishment Of Forestry Education In America, Dan Barry Croom
Journal of Research in Technical Careers
The Biltmore Forest School, despite its unusual existence within the affluent Biltmore Estate, played a crucial role in the early 20th-century American forestry movement. Founded by Carl A. Schenck and supported by George Vanderbilt II, the school aimed to educate foresters and promote sustainable forest management. However, many aspects of the Biltmore experiment failed due to the new and untested nature of forestry science in America. This experiment exposed a fundamental divide in forestry education, with Gifford Pinchot advocating for conservation-centered teaching while Schenck believed in the economic viability of lumber production. Ultimately, the Biltmore Forest School offered valuable vocational …
Assessing Equitable Distribution Of The Urban Tree Canopy At The Neighborhood Scale In Greenville, South Carolina., April Riehm
Assessing Equitable Distribution Of The Urban Tree Canopy At The Neighborhood Scale In Greenville, South Carolina., April Riehm
All Theses
We are living in an era that necessitates adaptation and resilience. The Earth is warming. Our climate has changed (EPA, 2016). Our planet is also rapidly urbanizing. It is predicted that 68% of people will live in cities by 2050. The City of Greenville is a rapidly growing city in South Carolina that has been losing its tree canopy to development(City of Greenville, 2023). The Urban Tree Canopy (UTC) is a community asset that provides many quality-of-life benefits including improved air quality, stormwater management, carbon sequestration, mental and physical well-being, increased mobility and access, aesthetics, a reduction in energy costs, …
Michigan's Upper Peninsula Is The Cradle Of Paul Bunyan's Beehives, Thomas J. Straka
Michigan's Upper Peninsula Is The Cradle Of Paul Bunyan's Beehives, Thomas J. Straka
Upper Country: A Journal of the Lake Superior Region
One of the Michigan Upper Peninsula’s earliest industries was iron production. Iron furnaces (smelters) were part of that industry; these were primarily fueled by charcoal, produced in hundreds of charcoal kilns scattered across the Upper Peninsula. The four basic kiln designs (rectangular, round, conical, and beehive) were all used in the region, with the beehive design becoming the predominant form. James C. Cameron, Jr. is credited with developing the beehive charcoal kiln design while employed by Upper Peninsula iron furnaces. This design was first introduced to the Upper Peninsula, and then to Northeastern Wisconsin, Northern New York, and the Far …
Tree Canopy Cover Influences Habitat Use Of Breeding Birds At Jack Mountain Wildlife Management Area, Kaleigh Thomas
Tree Canopy Cover Influences Habitat Use Of Breeding Birds At Jack Mountain Wildlife Management Area, Kaleigh Thomas
Honors Theses
Across the United States, bird populations have declined due to habitat loss. To better understand habitat use by birds, researchers observed populations at Jack Mountain Wildlife Management Area in southwest Arkansas. Students at Ouachita Baptist University surveyed 94 point count locations to estimate species diversity (total number of species observed) and species abundance (total number of individuals observed). At each point, students recorded the percentage of tree canopy cover, ground cover, midstory cover, and shrub cover. These variables were used as explanatory variables in multiple regression analyses to determine which variables were influential in explaining variation in species diversity and …
Susceptibility Assessment Of Human–Wildlife Conflict In Hirpora Wildlife Sanctuary Western Himalayas, Kashmir Using Geospatial Techniques, Tariq Ahmad Bhat, Syed Tanveer, Khursheed Ahmad
Susceptibility Assessment Of Human–Wildlife Conflict In Hirpora Wildlife Sanctuary Western Himalayas, Kashmir Using Geospatial Techniques, Tariq Ahmad Bhat, Syed Tanveer, Khursheed Ahmad
Journal of Bioresource Management
Managing human-wildlife conflict requires a spatial understanding, but this is hindered by a lack of spatially explicit data. The present research was conducted in the Hirpora Wildlife Sanctuary (HWS) in Kashmir, India, with the aim of investigating possible geospatial connections between animal attacks on humans between 2019 and 2021. The patterns and drivers of human-wildlife conflicts around HWS were investigated using spatially-implicit data collected from 2019–2021. There were significant differences in attack patterns across the months, and majority of the attacks occurred outside the park. Most of the attacks occurred within 1 km of the buffer zone forests and croplands. …
Design And Test The Effectiveness Of Interpretive Signs Using Eye Tracking And Biometric Data, Hadara Gordon, Wendy Miyazaki
Design And Test The Effectiveness Of Interpretive Signs Using Eye Tracking And Biometric Data, Hadara Gordon, Wendy Miyazaki
Baker/Koob Endowments Awarded Projects
Recreational trails on forested lands should satisfy the needs of recreationists, safeguard important habitats, and maintain the natural environment (Kortenkamp et al., 2021). Appropriate management is critical because of the increasing number of visitors. Signs are a cost-effective method to reduce the negative impacts on visitors and enhance visitor experiences (Brown et al., 2010). This research aimed to investigate how visitors pay attention to signs, view the trail surrounded by trees and behave in a natural space.
Smokejumper Obituary: Kennedy, John Brent (Mccall 1987), National Smokejumper Association
Smokejumper Obituary: Kennedy, John Brent (Mccall 1987), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Tree Localization In A Plantation Using Ultra Wideband Signals, Akshat Verma
Tree Localization In A Plantation Using Ultra Wideband Signals, Akshat Verma
The Journal of Purdue Undergraduate Research
No abstract provided.
Smokejumper Obituary: Clements, Frank Robert (North Cascades 1988), National Smokejumper Association
Smokejumper Obituary: Clements, Frank Robert (North Cascades 1988), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Hall, David E. (Mccall 1980), National Smokejumper Association
Smokejumper Obituary: Hall, David E. (Mccall 1980), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Roos, Alford "Omar" (Redding 1983), National Smokejumper Association
Smokejumper Obituary: Roos, Alford "Omar" (Redding 1983), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Jessup, Gerald M. (North Cascades 1959), National Smokejumper Association
Smokejumper Obituary: Jessup, Gerald M. (North Cascades 1959), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Komberec, Charles Richard "Dick" (Pilot 0000), National Smokejumper Association
Smokejumper Obituary: Komberec, Charles Richard "Dick" (Pilot 0000), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: May, Paul James (Missoula 1970), National Smokejumper Association
Smokejumper Obituary: May, Paul James (Missoula 1970), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Longevity Of Prescribed Fire Effectiveness In Mixed-Evergreen Forests Of The Klamath Mountains, Kaily M. Fineran
Longevity Of Prescribed Fire Effectiveness In Mixed-Evergreen Forests Of The Klamath Mountains, Kaily M. Fineran
Cal Poly Humboldt theses and projects
Prescribed fire is a common management tool used across the western United States to create wildfire-resilient ecosystems and communities. The Klamath Mountains of northern California, USA has experienced numerous, large wildfires in recent years. This is due in part to a combination of highly flammable fuels, uncharacteristic weather events, and high fuel accumulations as a result of fire exclusion and forest management practices. Within the last decade, local land management organizations and the Karuk Tribe have begun re-introducing prescribed fire in low elevation, mixed evergreen forests. While the long-term effects of fuel treatments are not well-known, these efforts provided a …
Post-Fire Persistance Of Sequoia Semperviens In A Secondary Forest: Examining Drivers Of Basal Resprouting Response, Jackson T. Carrasco
Post-Fire Persistance Of Sequoia Semperviens In A Secondary Forest: Examining Drivers Of Basal Resprouting Response, Jackson T. Carrasco
Cal Poly Humboldt theses and projects
Historically frequent-fire forest ecosystems are now facing increased size, frequency, and severity of fires attributed to climate change, intensive forest management, and fire exclusion. Understanding post-fire resilience in forest ecosystems is critical amidst escalating challenges posed by recent increases in fire activity. This study examined the basal resprouting response of coast redwood (Sequoia sempervirens) in a secondary forest two years after the CZU Lightning Complex fire on the central coast of California. Robust allometric equations were developed to quantify redwood resprout biomass and leaf area, revealing strong explanatory power for biomass equations (R² > 0.85). Probability of …
Determining The Quality And Quantity Of California Sitka Spruce (Picea Sitchensis) On Private Commercial Timberland For Use In Domestic Acoustic Steel-String Guitars, Ryan Eugene Cooper
Determining The Quality And Quantity Of California Sitka Spruce (Picea Sitchensis) On Private Commercial Timberland For Use In Domestic Acoustic Steel-String Guitars, Ryan Eugene Cooper
Cal Poly Humboldt Capstone Honor Roll
Development of additional revenue streams for timber products with relatively low profitability is an important step in securing future economic success for the forestry sector in Humboldt county. Utilization of California Sitka spruce (Picea sitchensis) for use in domestic acoustic steel-string guitar manufacturing may provide exactly that. Determining the quality and quantity of California Sitka spruce is the logical first step in achieving this.
Quality was determined from tree core samples gathered at sites on Green Diamond Resource Company’s (GDRco) California timberlands and the Arcata Community Forest (ACF) with high basal area of Sitka spruce. Rings Per Inch …
Quantifying The Ecological Effects Of Salix Fragilis On Riparian Habitat In Kittitas County, Washington, Landon Shaffer
Quantifying The Ecological Effects Of Salix Fragilis On Riparian Habitat In Kittitas County, Washington, Landon Shaffer
All Master's Theses
Invasive species threaten plant community structure and function globally. Riparian areas, the zone near streams where water influences vegetation, are especially sensitive to invasive species colonization, suffering large-scale shifts in community composition. Salix fragilis (crack willow) is a nonnative riparian species abundant in the lower elevation tributaries of central Washington. Some speculate whether this willow should be listed as invasive in Washington, despite a lack of regional supporting evidence. I studied riparian communities dominated by either S. fragilis or native species in the Kittitas Valley and measured biodiversity, quantified differences in solar attenuation, and compared leaf decomposition rates to learn …
A Conservation Model: Costa Rican Conservation Strategies Effectively Preserve Their Threatened Primates, Ryan Belmont
A Conservation Model: Costa Rican Conservation Strategies Effectively Preserve Their Threatened Primates, Ryan Belmont
Regis University Student Publications (comprehensive collection)
The wildlife of Costa Rica has experienced various anthropogenic threats over the last century including climate change and agricultural expansion. The mantled howler monkey (Alloutta palliata), Central American spider monkey (Ateles geoffroyi), white-faced capuchin (Cebus imitator), and the Central American squirrel monkey (Saimiri oerstedii) are Costa Rica’s native primates that face several anthropogenic threats such as deforestation for agriculture and climate change. In response to increased threats to its four native species of non-human primates, Costa Rica has implemented effective governmental conservation tactics such as the Payments for Environmental Services program, ecotourism …
Environmental Biology Masters Capstone, Antonio Gonzalez-Pita
Environmental Biology Masters Capstone, Antonio Gonzalez-Pita
Regis University Student Publications (comprehensive collection)
Human wildlife interactions (HWI) pose a complex challenge for wildlife managers. Human encroachment into wildlife habitat and the growing number of outdoor recreationists are increasing the frequency of contact and conflict, especially in regions such as the Front Range of Colorado. Geographic information systems (GIS), which use a combination of remote sensing and environmental survey data, allow for predictive spatial analyses of where human wildlife interactions are likely to occur. I used publicly reported observations of moose to create spatial predictive maps in a species distribution model framework. Slope and elevation were shown to be the strongest predictors of HWI, …
Movement Behavior And Metapopulation Connectivity Of Stream Salamanders In Response To Disturbance Events, Kathryn M. Greene
Movement Behavior And Metapopulation Connectivity Of Stream Salamanders In Response To Disturbance Events, Kathryn M. Greene
Theses and Dissertations--Biology
Metapopulations are shaped by the dispersal between populations in a landscape. Disturbance events can disrupt this connectivity resulting in local population extinction. For my dissertation, I used a combination of empirical and theoretical techniques to examine dispersal in response to disturbance and assessed it’s population-level consequences. My research used capture-mark-recapture sampling techniques to evaluate stream salamander movement in response to (1) a supraseasonal drought and (2) mountaintop-removal-mining (MTR) and valley-filling (VF) and (3) agent-based simulation modeling to evaluate population extinction risk in response to varying dispersal and mortality rates.
First, I evaluated the effects of a supraseasonal drought, a severe …
Smokejumper Obituary: Cordova, Horace M. (Idaho City 1961), National Smokejumper Association
Smokejumper Obituary: Cordova, Horace M. (Idaho City 1961), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Hearn, Bernard Carter (Grangeville 1952), National Smokejumper Association
Smokejumper Obituary: Hearn, Bernard Carter (Grangeville 1952), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Mcdonald, Joseph Franklin "Joe" (West Yellowstone 1951), National Smokejumper Association
Smokejumper Obituary: Mcdonald, Joseph Franklin "Joe" (West Yellowstone 1951), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Smokejumper Obituary: Simons, Charles Richard (Missoula 1952), National Smokejumper Association
Smokejumper Obituary: Simons, Charles Richard (Missoula 1952), National Smokejumper Association
Smokejumper Obituaries
No abstract provided.
Reclaiming Sacred Homelands: Asserting Treaty Rights And The Path Towards Restoration Of The Badger-Two Medicine, Sarah Greenberg
Reclaiming Sacred Homelands: Asserting Treaty Rights And The Path Towards Restoration Of The Badger-Two Medicine, Sarah Greenberg
American Indian Law Journal
“In order for law to have an influence in the lives of ordinary people, it must have something to do with the emotional feelings of justice, it must speak to our basic humanity, and it must give us common sense directions as to what behavior and beliefs are right and wrong"
Regeneration Response To Salvage Logging Following Tornado Disturbance, Colby K. Bosley-Smith
Regeneration Response To Salvage Logging Following Tornado Disturbance, Colby K. Bosley-Smith
Electronic Theses and Dissertations
In an era of increasing natural disturbances, successful tree regeneration has grown more difficult to achieve. Salvage logging, a common management response to disturbance, may further impede regeneration success, although published literature currently remains inconclusive. In 2013, a rare tornado in northcentral Maine, USA, and subsequent salvage operation created three clear ‘treatments’ for evaluation of post-disturbance regeneration: blowdown, blowdown followed by salvage logging and an undisturbed control. In the summers of 2022 and 2023, (nine and ten) years post-tornado, we revisited this site to examine regeneration outcomes.
During the summer of 2022, we evaluated stand structure and regeneration success of …
Integrating Remote Sensing And Machine Learning To Assess Forest Health And Susceptibility To Pest-Induced Damage, Rajeev Bhattarai
Integrating Remote Sensing And Machine Learning To Assess Forest Health And Susceptibility To Pest-Induced Damage, Rajeev Bhattarai
Electronic Theses and Dissertations
Spruce budworm (Choristoneura fumiferana; SBW) outbreaks are cyclically occurring phenomena in the northeastern USA and neighboring Canadian provinces. These outbreaks are often of landscape level causing impaired growth and mortality of the host species namely spruce (Picea sp.) and balsam fir (Abies balsamea (L.) Mill.). Acknowledging the recent SBW outbreak in Canadian provinces like Quebec and New Brunswick neighboring the state of Maine, our study devised comprehensive techniques to assess the susceptibility of Maine forests to SBW attack. This study aims to harness the power of remote sensing data and machine learning algorithms to model and map the susceptibility of …