Global ETD Search
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Showing 1 to 6 of 6 for “"Kern County (California)"”.
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Vascular Floristic Study of the Piute Mountains, Kern County, California
… at the southern terminus of the Sierra Nevada in Kern County, California. The study area covers ca. 543 square km (210 square mi), with elevations ranging from 777 m (2,550 ft) to 2,562 m (8,406 ft) at Piute Peak. Though situated in the Sierra Nevada ecoregion, the Piute Mountains lie near the …
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The impact of an English language learner professional development program on teacher perception of preparedness and practice
… The purpose of this study was to examine Kern County K-6 public school teachers' perceptions regarding their perceived preparedness for teaching English language learner (ELL) students the skills needed to gain English language proficiency and content knowledge before and after their …
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Investigating the Valley Fever – Environment Relationship in the Western U.S.
… valley fever and climatic variables, focusing on Kern County, California, an understudied region in the U.S. where valley fever is highly endemic. Chapter 3 focuses on a regional spatial analysis using ecological niche modeling to better understand the environmental factors that influence the …
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Insecticide detoxification in the navel orangeworm Amyelois transitella (Lepidoptera: Pyralidae)
… nut crops, including almonds and pistachios, in California orchards. Management of this pest has typically been a combination of cultural controls (including removal of unharvested fruits) and the use of insecticides; insecticide use has increased substantially along with the value of these …
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Impacts of organic and conventional neurotoxic pesticides on a pest and a pollinator in almond agroecosystems (Prunus dulcis)
… including almonds, pistachios, and walnuts in California orchards. Rising demand for these high-value cash crops has led to an increased reliance on synthetic insecticides to reduce damage from this pest. At the same time, consumer interest has risen for organic products, resulting in the …