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Articles 1 - 15 of 15
Full-Text Articles in Geography
Monitoring Bull Kelp (Nereocystis Leutkeana) Remotely At High Resolutions, Hannah E. Joss
Monitoring Bull Kelp (Nereocystis Leutkeana) Remotely At High Resolutions, Hannah E. Joss
Cal Poly Humboldt theses and projects
Bull kelp (Nereocystis leutkeana) is a foundational seaweed in nearshore, marine systems, traditionally supporting economically important fisheries, extracting nutrients in its vicinity, and sequestering carbon and transporting it great distances to subsidize shallow and deep-sea environments. Bull kelp is also a culturally important species for some indigenous peoples along the northeastern Pacific coastline and provides a harvestable product with growing demand. Global trends in kelp distribution show patterns of decline, and the immense loss of northern California bull kelp forests in response to climatic changes have highlighted the need for alternative sources of kelp, both for the product …
Carnivore And Ungulate Occurrence In A Fire-Prone Region, Sara J. Moriarty-Graves
Carnivore And Ungulate Occurrence In A Fire-Prone Region, Sara J. Moriarty-Graves
Cal Poly Humboldt theses and projects
Increasing fire size and severity in the western United States causes changes to ecosystems, species’ habitat use, and interspecific interactions. Wide-ranging carnivore and ungulate mammalian species and their interactions may be influenced by an increase in fire activity in northern California. Depending on the fire characteristics, ungulates may benefit from burned habitat due to an increase in forage availability, while carnivore species may be differentially impacted, but ultimately driven by bottom-up processes from a shift in prey availability. I used a three-step approach to estimate the single-species occupancy of four large mammal species: mountain lion (Puma concolor), coyote …
On The Acceptance Of Urban Beavers In Martinez, California, Zane A. Eddy
On The Acceptance Of Urban Beavers In Martinez, California, Zane A. Eddy
Cal Poly Humboldt theses and projects
As ecosystem engineers, beavers construct complex riparian and wetland habitats that benefit many other species, including endangered salmonids. Through their landscape alterations, beavers also promote increased groundwater recharge and provide refugia during wildfires and high flow events by impounding water and allowing it to spread across the landscape. Prior to the North American colonial fur trapping campaigns, there were between 60 and 400 million beavers in North America. By the beginning of the 20th century, beavers were extirpated from many parts of the continent, however through human efforts, their population has since rebounded to between 10 and 15 million. The …
In-Flux: Economic And Community Adaptations Of Former Timber Mill-Towns In The American West, Cherilyn P. Ashmead
In-Flux: Economic And Community Adaptations Of Former Timber Mill-Towns In The American West, Cherilyn P. Ashmead
Cal Poly Humboldt theses and projects
Once built around natural resource extractive industries, rural communities’ economies are changing as the United States is transitioning away from its industrial past. While much research has focused on rural economic shifts from natural resource production toward amenity-driven economies (Morzillo et al., 2015; Winkler et al, 2007), less research has explored the economic and demographic trends in areas pursuing new modes of production. This two-part study focuses on an understudied region with historic ties to timber in dry mixed-conifer forests, much of which are under federal land management. With few natural amenity draws, the region has largely maintained production-based sectors. …
Assessing California Commercial Fishing Community Well-Being In The Context Of Marine Protected Area (Mpa) Formation, Samantha Cook
Assessing California Commercial Fishing Community Well-Being In The Context Of Marine Protected Area (Mpa) Formation, Samantha Cook
Cal Poly Humboldt theses and projects
Marine protected areas (MPAs)—defined geographic areas where fishing and harvesting activity is limited or restricted—have emerged as a popular marine biodiversity and climate resilience strategy worldwide. MPA monitoring efforts often follow MPA designation to help inform the adaptive management of MPAs and MPA networks. In 2012, California completed the largest statewide system of MPAs to date, consisting of 124 MPAs covering 16% of state waters. Following MPA implementation, the state initiated a long-term monitoring program (2019-2022) to help inform the 10-year MPA management review. This two-chapter thesis presents findings from a state-funded project to conduct long-term socioeconomic monitoring for human …
Living Rivers, Cosmopolitan Activism, And Environmental Justice In The Bengal Delta, Daniel Adel
Living Rivers, Cosmopolitan Activism, And Environmental Justice In The Bengal Delta, Daniel Adel
Cal Poly Humboldt theses and projects
This thesis explores the social movements and civil society activism to protect the rivers that flow through Bangladesh—the cradle and terminal delta floodplain of the transboundary Ganges, Brahmaputra, and Meghna river systems—, as well as ways to build regional cooperation and watershed democracy in South Asia. The research drew on four overarching fields of study: environmental justice, southern environmentalism, ecological nationalism, and environmental governance. These four bodies of scholarship helped address the overarching question: how are civil society organizations analyzing and responding to the water diversions and degradation of Bangladesh’s transboundary rivers? Semi-structured interviews were conducted with civil society organizations …
"The World Has Changed, And The Wiyot Changed With It:" The Socio-Political Processes And Rationale Of Cultural Landscape Decolonization On Wiyot Ancestral Land, Mark C. Adams
Cal Poly Humboldt theses and projects
This thesis examines recent successful efforts by the Wiyot Tribe in Humboldt County, California to resist and reverse forms of settler-colonial oppression with tangible and unprecedented results. The original inhabitants of Humboldt Bay: the Wiyot, and their allies in the local community, have overcome settler socio-political resistance in three contentious, public disputes to preserve and restore tribal sovereignty over ancestral land and culture. While much has been written about the history of the United States as a settler-colonial project, more research is necessary to understand the processes of grassroots decolonization efforts to alter cultural landscapes. Using a combination of feminist …
"This Is Home:" Pictures, Place Meaning, And Community In The Natural-Amenity-Rich Del Norte County, California, Erik Arndt
Cal Poly Humboldt theses and projects
This study contributes to the existing, yet small, cadre of research using photo elicitation to investigate the place meanings of people living in a natural-amenity-rich area. Ten current and former residents of Del Norte County, California took pictures of and discussed in an interview the people, places, and attributes they found valuable or meaningful about that place. The primary focus of the photos and interviews was how these natural amenities, in particular Jedediah Smith Redwoods State Park, impacted or influenced residents’ place meanings. Three major themes of place meaning were identified from the interviews: Environment-Landscape, Human-Social, and Recreation-Exploration. Each contained …
Effects Of Manual And Mechanical Ammophila Arenaria Removal Techniques On Coastal Dune Plant Communities And Dune Morphology, Monique R. Silva Crossman
Effects Of Manual And Mechanical Ammophila Arenaria Removal Techniques On Coastal Dune Plant Communities And Dune Morphology, Monique R. Silva Crossman
Cal Poly Humboldt theses and projects
The removal of invasive species as part of the restoration process can allow natives organisms to rebound. An ecosystem that incurs damages from invasive species is coastal sand dunes, which are dynamic systems. Some coastal sand dunes on the west coast of the United States have been invaded by Ammophila arenaria. The invasive grass, A. arenaria, is thought to alter and stabilize foredune morphology and reduce populations of native species. The objectives of my research are to examine the effects that manual and mechanical A. arenaria removal techniques have on coastal sand dune morphology and vegetative cover over time. …
Implications Of Unmanned Aircraft Systems And Sense Of Place: A Case Study In The Mono Basin, Sara Elizabeth Matthews
Implications Of Unmanned Aircraft Systems And Sense Of Place: A Case Study In The Mono Basin, Sara Elizabeth Matthews
Cal Poly Humboldt theses and projects
This paper contributes to an understanding of the social implications of using UAS in natural resource areas; specifically, the ways in which these tools impact human constructed sense of place. This paper draws on in-depth interviews and document analysis to (a) develop an understanding of place meanings held among Mono Basin stakeholders and (b) define the ways in which increased UAS presence may interact with these visions of place.
In short, this research shows that sense of place in this rural area is influential in the way that UAS are received by local stakeholders. The changing nature of place meanings …
Community-Based Initiatives For Neighborhood And Community Rehabilitation: A Case Study Of The Mission District, San Francisco, California, Francesca Monique Gallardo
Community-Based Initiatives For Neighborhood And Community Rehabilitation: A Case Study Of The Mission District, San Francisco, California, Francesca Monique Gallardo
Cal Poly Humboldt theses and projects
Through the case study of San Francisco, CA’s Mission District, this research project addresses how community-based affordable housing development is operationalized to rehabilitate communities and neighborhoods experiencing effects of gentrification, mass displacement, and cultural dilution. My goals were to identify how the processes of building a sense of community, trust, and cohesion- rehabilitating and critical to affordable housing development efforts in the Mission District? And, how are nonprofit community development organizations engaging with these processes in collaboration with citizen and community partners? The final objective is to provide evidence-based strategies to assist other at-risk minority communities and neighborhoods in the …
Nature, Socio-Spatial Divisions And Connections: An Examination Of El Jardín De Guadalupe, Elizabeth Moreno
Nature, Socio-Spatial Divisions And Connections: An Examination Of El Jardín De Guadalupe, Elizabeth Moreno
Cal Poly Humboldt theses and projects
Culture is often discussed in the content of social behavior but, how culture is spatially linked to landscapes is often overlooked. Points of social and cultural reproduction is not only tied to landscapes, but there are constantly challenged as new cultures are introduced into a space. Latino culture in the United States has, and continues to, reshape America’s landscapes. For purpose of this thesis, the reshaping of landscapes will be observed in a community. This project examines the perception that Latinos avoid participation in a community garden. This perception is not entirely true, as there was one Latina participating. As …
Voices Of Cully: A Case Study Of The Living Cully Weatherization And Home Repair Project 2.0, Lucy J.T. Cultrera
Voices Of Cully: A Case Study Of The Living Cully Weatherization And Home Repair Project 2.0, Lucy J.T. Cultrera
Cal Poly Humboldt theses and projects
The Cully neighborhood is situated in the Northeast quadrant of Portland, Oregon. It is 2.75 square mile plot of land and home to roughly 13,000 people. In addition to being one of the most diverse neighborhoods in Portland, it is the most densely populated, with the smallest amount of parkland per capita. Over the last two decades, home value has increased 203% in Cully, compared to a 90% citywide increase. Amidst these development trends are stories of incredible resilience, resistance and activism from the affected community. My project is a case study of one anti-displacement initiative, which was developed and …
Listening To The Mattole: Lessons In Bioregionalism, Cannabis, And Capitalism From A Northern California Community, Nicola R. Walters
Listening To The Mattole: Lessons In Bioregionalism, Cannabis, And Capitalism From A Northern California Community, Nicola R. Walters
Cal Poly Humboldt theses and projects
In the United States, from the 1960s through the 1970s, nearly a million Americans left urban areas to establish themselves in rural environments; this exodus is now known as the back-to-the-land movement. Nestled in the mountains of Northern California, along a capricious river, and surrounded by natural beauty, the Mattole Valley became home to many of these back-to-the-land immigrants. Seasoned in the social and cultural movements of Berkeley and San Francisco during the 1960s, the “new settlers” transformed the social and environmental landscape of southern Humboldt County as they integrated into rural communities. The Mattole Valley offers a unique look …
Fine-Scale Change Detection Using Unmanned Aircraft Systems (Uas) To Inform Reproductive Biology In Nesting Waterbirds, Sharon Dulava
Fine-Scale Change Detection Using Unmanned Aircraft Systems (Uas) To Inform Reproductive Biology In Nesting Waterbirds, Sharon Dulava
Cal Poly Humboldt theses and projects
Aerial photographic surveys from manned aircraft are commonly used to estimate the size of bird breeding colonies but are rarely used to evaluate reproductive success. Recent technological advances have spurred interest in the use of unmanned aircraft systems (UAS) for monitoring wildlife. The ability to repeatedly sample and collect imagery at fine-scale spatial and temporal resolutions while minimizing disturbance and safety risks make UAS particularly appealing for monitoring colonial nesting waterbirds. In addition, advances in photogrammetric and GIS software have allowed for more streamlined data processing and analysis. Using UAS imagery collected at Anaho Island National Wildlife Refuge during the …