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 246 for “"landscape-scale"”.
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Woodland Owners Motivations for Involvement in Landscape Scale Forest Stewardship
… the management of these properties affect the landscape beyond their parcel boundaries. These forests provide ecological services to society, timber products and recreation. Keeping the forest healthy and productive is very important for the common good. Threats related to development …
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Landscape-scale conservation planning and wildlife monitoring In Southeast Asia
… have greatly expanded the potential for landscape scale monitoring of biodiversity and the use of resulting insights for conservation planning. This collection of papers explores the use of modeling, monitoring, and conservation planning techniques to better facilitate landscape scale …
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A GIS-Based Landscape Scale Model for Native Bee Habitat
… in agriculture occur because of a lack of large scale analysis methods for native bees, regional species lists and management knowledge. This research explores the use of GIS in modeling native bee habitat to provide a landscape scale analysis method for native bees and develop a systematic …
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Carbon management and scenario planning at the landscape scale with GIS
Carbon Management and Scenario Planning at the Landscape Scale with GIS By: Shabnam Delfan Azari It is now widely believed that globally averaged temperatures will rise significantly over the next 100 years as a result of increasing atmospheric concentrations of greenhouse gases (GHG) such as …
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Landscape scale measurement and monitoring of biodiversity in the Australian rangelands
… data throughout the rangelands, but at fine scale; satellite remote sensing collects biologically relevant, spatially comprehensive data. The goal of this thesis was to provide the spatially comprehensive measure of biodiversity required for informed management of the Australian rangelands. …
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Conservation on the edge : landscape scale conservation at Colorado's urban-rural interface
Landscape scale conservation is an emerging framework that refers to the ability to conceive, plan, finance and manage projects with significant natural conservation value while incorporating the cultural and economic activities of people situated in those landscapes. This framework is examined …
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Conserving Connectivity: Ecological Determinants of Gene Flow in Plants at the Landscape Scale
… there is an increasing need to manage landscapes in a way that maintains gene flow among previously continuous populations. This requires a detailed understanding of the scale of gene flow in nature and of how aspects of the landscape support or inhibit movement. In plants, gene flow …
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Landscape-Scale Variability in the Composition, Growth and Pattern of Alpine Treeline Vegetation
… tree-shrub interactions. Given that much of the landscape-scale variability in the composition, growth, and pattern of treeline vegetation can be attributed to slope aspect and angle, I recommend that these factors be included in predictive models of future vegetation change.
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Landscape-scale mechanisms of biological pest control in a South Korean agricultural landscape
… of how to manage this service in real-world landscapes is limited by our lack of knowledge of the factors determining landscape-scale pest control, enemy diversity and the relationship between the two. In order to clarify how biological control is provided at large spatial scales, and how it …
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Landscape scale measurements of wind erosion of volcanic materials in the Hekla area
… were to i) measure aeolian sand transport on a landscape scale, ii) to estimate the effect of environmental factors on sand transport and iii) estimate the effect of reclamation efforts on wind erosion. The research area, north of Hekla in South Iceland, extends approximately 110 km2 of barren …
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Modelling British Columbia’s ecosystems and avian richness using landscape-scale indirect indicators of biodiversity
Developing consistent and repeatable broad-scale methods for biodiversity modelling is an important goal to address as habitat loss, fragmentation and environmental degradation threaten our ability to maintain ecosystem and species diversity levels. Geospatial reviews of biodiversity monitoring …
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Local and landscape scale effects of fragmentation on aerial insectivorous bats in the Amazon
… driver of the biodiversity crisis. Resulting landscapes are left fragmented with isolated remnant forest patches embedded in a human-modified matrix which has the propensity to regenerate into successional forest. The Biological Dynamics of Forest Fragments Project (BDFFP) in the Brazilian …
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Modelling mitigation of bird population declines in the UK through landscape-scale environmental management.
Biodiversity is declining on a global scale despite efforts to the contrary. Birds are effective indicators of ecosystem health, occurring in almost every habitat on Earth. However, many UK birds have declined since the 1960s, and are now classified as endangered or rare. Knowledge of factors …
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Landscape Scale Habitat Associations of Sprague's Pipit (Anthus Spragueii) Overwintering in the Southern United States
… that Sprague’s Pipits associate with at the landscape scale. I used land cover data from the National Land Cover Database GIS layers, CropScape GIS layer and pipit point locations retrieved from eBird. I examined landscape-scale (1, 2 and 5 km) habitat associations of Sprague’s Pipit over …
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Landscape-scale habitat requirements of flower-visiting insects in the Nene Valley Nature Improvement Area
… to ensure pollinator services for the future. Landscape structure may influence the resilience of pollinators in the face of environmental change. <br/>In 2012 a pilot scheme of twelve Nature Improvement Areas (NIA) in England (UK), was created seeking to improve ecological networks through …
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Modeling Ecological Risks at a Landscape Scale: Threat Assessment in the Upper Tennessee River Basin
… exist for summarizing ecological risks at a landscape scale. I constructed a relative risk model, the Ecological Risk Index (ERI), to combine the frequency and severity of human-induced stressors with mappable land and water use data to evaluate impacts to five major biotic drivers: energy …
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The ecological effects of grazing by the White Rhino (Ceratotherium simum simum) at a landscape scale
… gradient. When examined at a larger spatial scale I found that the removal of White Rhino led to a detectable change in grass biomass and in the grazing behavior of other species in the area of the removal. The effect that herbivores exerted on the grass layer also had consequences for the …
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