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 8 of 8 for “"Vegetation interactions"”.
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River - Riparian Vegetation Interactions
… systems which exhibit complex spatio-temporal interactions. Because of the possible implications for engineering works and environmental management, in recent times a number of studies has focused on this topic, considering both large- and small-scale problems. Riparius is a latin word which …
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Atmosphere-vegetation interactions over South Africa
… sensitivity of the atmospheric circulation to vegetation change over South Africa in the context of the portended global warming. This is achieved using a vegetation model driven by climate change information and subsequently incorporated within a general circulation model (GCM). The …
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Quantifying Ungulate-Rangeland Interactions: From Monitoring Free-Roaming Horse Condition to Vegetation Response Following Herbivore Exclusion
Reliable assessment of herbivore condition and vegetation response is essential for understanding grazing impacts across arid rangelands. This thesis integrates two complementary studies that address these challenges at different scales. The first develops and validates a quantitative framework for …
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Two-patch herbivore/vegetation models with density-dependent migration
… two mathematical models for herbivore/vegetation interactions in environment of two patches, using the metaphysiological approach and a density-dependent migrations. In the first model we considered the case when the environment is constant, and we constructed a system of four perturbed …
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Quantifying seasonal snow using very-high-resolution stereo optical satellite images
… and smaller, wind redistribution, terrain, and vegetation interactions drive heterogeneity. With a changing climate affecting meteorological conditions and shifting the timing of events on a regional basis, statistical relationships (provided enough data has been collected to generate these …
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Megafires in the temperate conifer forests of the Sierra Nevada mountains of California from 1985 to 2020: remote sensing and field-based analysis of fire characteristics and vegetation recovery dynamics
… as a discussion on assessing burn severity and vegetation recovery after disturbance is provided in \textbf{Chapter 1}. \textbf{Chapter 2} examines the occurrence and effects of fires of extreme size in the Sierra Nevada ecoregion over the last four decades. We find that megafires drive annual …
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Climate-driven growth of croplands and grasslands: analysis and modeling at regional scale
Comprehensive understanding of the interactions between climate and vegetation is a key issue in environmental sciences, and especially for researchers studying climate change impacts on terrestrial ecosystems. Indeed in order to better predict changes in ecosystems productivity, scientists are …