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Life Sciences

Master's Theses

Theses/Dissertations

2009

Restoration

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Mimicking Fire For Post-Mining Restoration Success, Katherine M. Wilkin Sep 2009

Mimicking Fire For Post-Mining Restoration Success, Katherine M. Wilkin

Master's Theses

This study is based at Rocky Canyon Quarry (RCQ), a 200-acre granite aggregate open-pit quarry with chaparral-dominated plant communities located in San Luis Obispo County, CA. At RCQ, the Surface Mining and Reclamation Act (SMARA) of 1975 was interpreted as restoring the landscape to native plant communities. Native plant community restoration projects have occurred there since 1993 through cooperation with California Polytechnic State University Biology Department in San Luis Obispo, CA. I evaluated past restoration at RCQ and researched new techniques to improve chaparral restoration based on the natural processes of fire.

Chaparral is an important fire-dominated plant community within …


Restoration Of A. Fasciculatum At Rocky Canyon Granite Quarry, San Luis Obispo, Ca, Catherine L. Roy Sep 2009

Restoration Of A. Fasciculatum At Rocky Canyon Granite Quarry, San Luis Obispo, Ca, Catherine L. Roy

Master's Theses

The objective of this study was to assess the above-ground factors affecting the establishment and recovery of the dominant chaparral shrub Adenostoma fasciculatum (chamise) on the Rocky Canyon granite mine.

Attempts to restore the California chaparral have been challenging and few successful efforts have been documented. However, the California chaparral can fully recover from fire in as little as 10-15 years. Factors affecting chamise seedling establishment were tested by planting chamise seed in forty eight 1square meter plots managed to test the effects of interspecific competition with native postfire vegetation, post-mining volunteer vegetation, and intraspecific only competition. Plots were managed …