Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Urban forests"”.
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Establishing dose-response curves for the impact of urban forests on recovery from acute stress and landscape preference
Although it is well established that exposure to urban forests can help reduce stress in individuals, the shape of the dose-response curve is entirely unclear. It is not known if a small amount of nature is enough to induce stress recovery effects, whether increases in the tree cover density …
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Seeing the city for the forest : the transformation and preservation of New York City's old growth urban forest
… trees. The city contains over 10,000 acres of forests within the five boroughs, including several examples of old growth forests. These natural areas are at risk--from their vulnerability to climate impacts, to development pressures, to a lack of support for and information about managing urban …
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INTEGRATING URBAN FOREST COOLING, THERMAL MONITORING, AND ECOLOGICALDYNAMICS FOR CLIMATE-RESILIENT CITIES
Urban forests are increasingly recognized as vital assets in mitigating urban heat stress, one of the most pressing climate-related hazards across Europe. Yet important uncertainties still constrain their effective design and management. A first challenge lies in the limited knowledge of how far …
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Mapping urban forest extent and modeling sequestered carbon across Chattanooga, TN using GIS and remote sensing
… is among many cities experiencing rapid urbanization and subsequent losses to urban forest area. Using remote sensing and digital image processing, this research 1) applied supervised hybrid classification across Landsat imagery that quantified the extent of urban forest loss across …
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Estimating above and below ground vegetation biomass and carbon storage across an intra-urban land-use gradient in mid-Missouri
*Urbanization includes a gradient of disturbance along which impacts on vegetative communities can widely vary. Urban forests play a vital role as carbon sinks for atmospheric carbon dioxide. In order to further understanding of the impacts of urbanization on vegetative communities and carbon …
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An Assessment of the Potential Impacts of Emerald Ash Borer (Agrilus planipennis Fairmaire) on Virginia's Municipal Street Trees
… that the invasive pest might have on municipal urban forests and street trees. Despite these concerns, little is known about native ash abundance in Virginia's urban forests; as a result, potential EAB impacts have been difficult to project. In this study, street tree assessments were conducted …
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EXTRAÇÃO DE VARIÁVEIS DENDROMÉTRICAS DE FLORESTA URBANA UTILIZANDO DADOS DE LASER AEROTRANSPORTADO
… tools to extract dendrometric variables from an urban forest using Airborne Laser Scanning (ALS) data. The study area corresponds to the Condomínio Parque Residencial Vivenda do Imbuí, located in Salvador, Bahia, Brazil, and was selected for its diverse tree population in an urban environment. …
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Rethinking Urban Green Infrastructure as a Means to Promote Avian Conservation
… an under-recognized potential for cities to use urban green infrastructure to contribute to avian biodiversity conservation. At the global scale, climate change and growing urbanization are primary global drivers leading to decline and homogenization in world bird populations. Birds are …
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Evaluating heat mitigation by urban canopy in New York City’s public housing developments
… into the ecosystem services provided by urban canopy that aims to characterize the temperature reduction provided by urban forests and develop process-level understanding of vegetation response to heat waves in order to improve estimates of heat mitigation in the face of extreme heat.</p> …
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Leaf Functional Traits as Predictors of Drought Tolerance in Urban Trees
<p>The services that urban trees provide to human society and the natural environment are widely recognized, but urban trees are in jeopardy due to climate change and urban stressors. With drought as a major threat in many areas, it is important for the future of urban forestry to select species …
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Urban Tree Canopy Assessments in the Chesapeake Bay Watershed
An urban tree canopy assessment (UTCA) is a new technology that can inform management decisions to optimize the economic, social and environmental benefits provided by urban forests. A UTCA uses remote sensing to create a comprehensive spatial snapshot of a locality's land cover, classified at a …
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Earthworms in the Urban Environment: Can Population Augmentation Improve Urban Soil Properties?
Urban forests perform essential ecological functions, and their performance is dependent on soil quality, which is often degraded by human activity. Because earthworms play a key role in soil health, augmenting earthworm populations in urban soils may improve tree performance. However, we know very …
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Developing a Satellite-Based Methodology to Estimate Built-up Biocapacity for Use in the National Ecological Footprint and Biocapacity Accounts: A Comparative Study of Pléiades Neo and Sentinel-2 Imagery, Classification Algorithms, and Segmentation Approaches
… Although Sentinel-2 results captured a lot of urban tree canopy, with a lower BC yield than trees in urban forests, the higher area attributed to this land cover explains the low difference in means between Sentinel-2 and Pléiades Neo results.
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A counselling psychology approach to reconnecting with urban nature for personal and societal wellbeing
… of the world’s population will be living in an urban environment. Numerous studies are also highlighting the increasing levels of mental distress for those living in contemporary urban, as opposed to rural, environments. Professionals and academics are arguing that this is partly due to our …
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Designing green stormwater infrastructure for hydrologic and human benefits: an image based machine learning approach
Urbanization over the last century has degraded our natural water resources by increasing storm-water runoff, reducing nutrient retention, and creating poor ecosystem health downstream. The loss of tree canopy and expansion of impervious area and storm sewer systems have significantly decreased …
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Flexure modulus of elasticity in living branch wood
… a desire, and more importantly a demand for urban forests due to a disconnection from nature as more of us become urban dwellers. Future trends predict increases in human populations which will substantially increase the amount of urban lands, especially around metropolitan areas. Urban trees …
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Urban Restoration Ecology: Investigating environmental change, ecological function, and enrichment planting
… with long development timelines, such as forests, it is unclear how dynamics change after planting and over the long-term, and hence what best management practices should be used in the decades following initial plantings. This thesis addresses these knowledge gaps through three separate …
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Thresholds for sustainable regeneration in urban restoration plantings in Hamilton City, New Zealand
Urban forest patches have unique environmental and landscape characteristics which may influence the restoration of native plant communities. Urbanisation can lead to a drier and warmer climate, a prevalence of exotic seed sources and isolation from remnant native forest seed sources. This research …
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