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 “"Off-Highway Vehicle"”.
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Conservation Genetics of Narrowly Distributed Annual, <em>Erythranthe discolor </em>(Phrymaceae), in the Southern Sierra Nevada
… has a varied land use history which includes off-highway vehicle (OHV) use, mining, logging, and residential development which has facilitated a network of roads and created opportunities for non-native plant invasion. These factors can alter the delicate habitat needed for E. discolor to …
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Identification and control of an automated off highway agricultural vehicle
… study was to develop an automated agricultural vehicle guidance system that can be easily transplanted from vehicle to vehicle. The proposed solution to this problem is to first perform a tractor model identification, and then use a pole placement technique to place the closed loop dominant …
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A Vascular Flora of the Manter and Salmon Creek Watersheds, Tulare County, California
… land use and climate change. Cattle grazing, off highway vehicle use, logging, long-term drought, and the impacts from a changing fire regime were all documented at the area. These disturbances may have a lasting impact on the flora. As a part of this study, I completed a total of 24 field …
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Advancing UAV-Based Remote Sensing and Machine Learning for Ecological Monitoring, Habitat Disturbance Detection, and Forensic Science in Arid Landscapes
The advances in unmanned aerial vehicle (UAV) technologies have the potential to revolutionize remote sensing. By integrating high-resolution low-altitude remote sensing data captured via UAVs with sophisticated machine learning algorithms, researchers can now analyze habitat disturbances, …
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The genes must flow: using movement ecology to understand connectivity of Mojave desert tortoise (Gopherus agassizii) populations in altered landscapes
… movement in disturbed areas such as those with off-highway vehicle recreation or wildfire scars, suggesting that these disturbances degrade tortoise habitat. Using simulations of tortoise movement, I show that the behavioral responses to these disturbances may alter how tortoises are distributed …
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A Genomics Approach to Conservation, Systematics, and Phylogeography to Understand Two Lineages of Lamiales
… in fire regimes; and human activities including off highway vehicle use, power line maintenance, and petroleum exploration. Conservation actions include resurveying known occurrences, searching for new occurrences and potential habitats, updating threat assessments, and studying genetic diversity …