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 14 of 14 for “"habitat suitability models"”.
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Acoustic and Netting Surveys of Western Ozark Highlands Bats with Habitat Suitability Models for Three Threatened and Endangered Species
… species distribution modeling (Maxent) to create habitat suitability models for three species that occur in the Ozark Highlands around CGTC, Myotis grisescens (endangered), M. septentrionalis (threatened), and M. sodalis (endangered). These models help explain the community composition of CGTC by …
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Habitat Niche Modeling in the Texas Horned Lizard (Phrynosoma cornutum): Applications to Planned Translocation
… Oklahoma, using correlative and mechanistic habitat suitability models. My goals were broadly classified into two categories: first, to determine if the addition of mechanistic data layers (i.e., habitat-niche models) in a correlative model improved the overall accuracy of model predictions, …
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Restoration of Red Spruce (Picea rubens) and Virginia Northern Flying Squirrel (Glaucomys sabrinus fuscus) Habitat in West Virginia
… of West Virginia and Virginia. Existing habitat suitability models emphasize the composition of the red spruce canopy but lack insights into the structural characteristics of the forest that are critical for VNFS occupancy. I examined VNFS habitat preference through previous survey …
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GIS Modeling of Elk Habitat Suitability in the North Cascades of Washington State
… custom Geographic Information System (GIS) elk habitat suitability models to model baseline elk habitat suitability in the 8,600 km<sup>2</sup> North Cascades elk management area, and then evaluate how theoretical forage enhancement sites would affect habitat suitability. Prior to creating the …
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Influence of the Conservation Reserve Program and Landscape Composition on the Spatial Demographics of Prairie Grouse in Northeastern South Dakota
… spp.) have been linked to landscape-level habitat changes throughout their range. Since European settlement, millions of acres of native prairie have been lost to cropland conversion within the original range of prairie grouse in North America. Conversely, the Conservation Reserve Program …
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Benthic habitats in a tide-swept channel of the Pentland Firth and their potential responses to a tidal energy development
… as predic-tor variables to develop site-specific habitat suitability models (HSMs) for a baseline and TED<br/>deployment case. Comparison of probability of occurrence values between the respective HSMs indicated a potential increase of suitable habitat for species inhabiting the deep, very …
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Habitat tools for assessing instream-flow needs for fishes in the upper Roanoke River, Virginia
… in speciose, warmer-water streams. This included habitat and fish data sets for the upper Roanoke River (URR) in southwestern Virginia, collected during the warmer, low- f low seasons of 1989-1991. Physical data were collected in small, rectangular quadrats or crosssectional transacts, whereas …
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Adaptive Silviculture in an urban floodplain forest: exploring functional traits and soil responses for climate ready forests
… to tree regeneration. Additionally, climate and habitat suitability models project that tree species currently found within MNNRA's floodplain forests will see a reduction in suitable habitat within the region, further underscoring the need to identify suitable replacements able to restore a …
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Landscape-scale habitat requirements of flower-visiting insects in the Nene Valley Nature Improvement Area
… in landscape or entirely theoretical models with little overlap of the two. This thesis aimed to address this gap, using statistical analysis of field data to produce spatially explicit models of pollinator distribution. A modelling framework is outlined, applying the Generalised …
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The survival of grasshoppers and bush crickets in habitats variable in space and time
… zwischen Aussterben und Besiedlung von Habitaten die regionale Überlebenswahrscheinlichkeit von Arten. Um diese bestimmen, braucht man ein gutes Verständnis der Habitatansprüche der Arten, sowie Informationen über ihr Ausbreitungsverhalten. Ziel dieser Arbeit war es, geeignete Flächen …
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Identifying suitable habitat of two federally endangered mussels in the Middle Fork and Salt Fork Vermilion rivers
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Utilising novel methods to determine potential interactions between subsea power cables and benthic reef forming species <i>limaria hians</i> and m<i>odiolus modiolus</i>
… understanding of how infrastructure impacts habitats and species conservation<br/>interests. Two such species are the biogenic reef building bivalves Limaria hians and Modiolus<br/>modiolus, Priority Marine Feature (PMF) species in Scotland. Both species build expansive<br/>reefs across the …
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The mathematical modeling and analysis of nonlocal ecological invasions and savanna population dynamics
… development and analysis of two new mathematical models that individually address major open problems in ecology. The first challenge is to characterize and model the processes that result in a savanna ecosystem as a stable state between grassland and forest, and the second involves modeling the …