Jon Keeley's Projects
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Fire and Fire Surrogate Study:
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Sequoia - Kings Canyon is the only DOI site in a national network of 11 study sites funded through the DOI-USFS Joint Fire Sciences Initiative. The national goal is to determine the broad ecological consequences of different approaches to forest fuel reduction. The Sequoia-Kings Canyon site primary explores the consequences of burning in different seasons.
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Factors Affecting Cheatgrass Invasion and Control in Yellow Pine Forests:
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Funded through the DOI-USFS Joint Fire Sciences Initiative, this project seeks to determine the mechanisms leading to increased invasion by cheatgrass following fire, and possible means of control.
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Sierra Nevada Global Change Research Program (Conifer Seedling Demography):
- Established to understand and predict the effects of changing climate and fire regimes on Sierra Nevada forests.
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Fire Intensity Impacts on Biodiversity and Invasives in the Mixed Conifer Forest:
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Established to determine the ecological role and impacts of different fire intensities on plant diversity and community susceptibility to invasives.
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Repeat Photography Study of Foothills and Mixed Coniferous Forests:
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Uses repeat photography to better determine vegetation conditions before fire suppression, to provide targets for prescribed fire program. Emphasizes the Kings Canyon - Cedar Grove area, sequoia groves, and the chaparral - conifer transition zone.
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Watershed Research:
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Established to determine the magnitude and consequences of acidic deposition in Sequoia - Kings Canyon, eventually switching emphasis to fire effects on water quality. Funding was canceled in 2000. Data analysis and writing are ongoing.
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Weed Surveys for Sequoia, Kings Canyon and Yosemite National Parks:
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This project focuses on determining the extent and location of exotic species, determining which of these pose the greatest threat, and evaluating the extent to which these problems are tractable. The document "Exotic Species Threat Assessment and Management Prioritization for Sequoia-Kings Canyon and Yosemite National Parks" is scheduled for publication as a USGS Open File Report.
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