Alan H. Taylor

Contact Info

Department of Geography, Earth and Environmental S...
The Pennsylvania State University
University Park , PA 16802, United States

Publications in Fire Ecology

Top-Down and Bottom-Up Controls on Fire Regimes along an Elevational Gradient on the East Slope of the Sierra Nevada, California, USA
Pages: 57-75
DOI: 10.4996/fireecology.0503057

Fire is an ecologically significant process in the fire-prone ponderosa pine and mixed conifer forests of the northern Sierra Nevada. Fire regimes are influenced by processes that operate over a range of scales that can be grouped broadly as bottom-up (e.g., topography, forest type) or top-down (e.g., climate variation, human land use) controls. To identify the bottom-up versus top-down controls on fire regimes, we quantified spatial and temporal variation in fire occurrence and extent using fire-scar dendrochronology. Inter-annual climate variability and human land use patterns strongly influenced fire regimes.  [Read More]

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Human and Climatic Influences on Fire Occurrence in California’s North Coast Range, USA
Pages: 76-99
DOI: 10.4996/fireecology.0503076

Outside of the immediate coastal environments, little is known of fire history in the North Coast Range of California. Fire scar specimens were collected from ponderosa pine (Pinus ponderosa C. Lawson), sugar pine (Pinus lambertiana Douglas), incense cedar (Calocedrus decurrens [Torr] Florin), and Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) for seven plots in mixed-conifer forests from the Mendocino National Forest, California, USA. Five plots were on high ridges immediately adjacent to the Sacramento Valley (DRY plots). The other two plots were on mesic north facing slopes interior in the range (MESIC plots), and were separated from the Sacramento Valley by at least one to several ridge systems. These two plots were selected because they supported populations of rare lady’s slipper orchids (Cypripedium fasciculatum [Kellogg ex S. Watson] and C. montanum [Douglas ex Lindl.]).  [Read More]

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