Fire Mosaics in Southern California and Northern Baja California

@article{Minnich1983FireMI,
  title={Fire Mosaics in Southern California and Northern Baja California},
  author={Richard A. Minnich},
  journal={Science},
  year={1983},
  volume={219},
  pages={1287 - 1294}
}
  • R. Minnich
  • Published 18 March 1983
  • Environmental Science, Medicine
  • Science
In spite of suppression efforts, severe wildfires burn large areas of southern California grassland, coastal sage scrub, and chaparral. Such large burns may not have been characteristic prior to the initiation of fire suppression more than 70 years ago. To compare controlled with uncontrolled areas, wildfires of southern California and adjacent northern Baja California were evaluated for the period 1972 to 1980 from Landsat imagery. Fire size and location, vegetation, year, and season were… Expand
Wildland Fire Patch Dynamics in the Chaparral of Southern California and Northern Baja California
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A probabilistic view of chaparral and forest fire regimes in southern California and northern Baja California
Fire suppression in industrialized countries encourages massive smoke emissions from high-intensity fires as a result of two inextricably related processes under current suppression policies: theExpand
Wildfire Potential in San Diego County, California
Climate, vegetation, topography, and the pressure of cultural expansion into the wildlands combine to produce highly hazardous fire conditions in San Diego County and other Southern CaliforniaExpand
Simulating the effects of frequent fire on southern California coastal shrublands.
TLDR
A spatially explicit simulation model of landscape disturbance and succession (LANDIS) was used to predict the effects of frequent fire on the distribution of dominant plant functional types in a study area administered by the National Park Service, finding that shrubs dependent on fire-cued seed germination were most sensitive to frequent fire and lost substantial cover to other functional types. Expand
Management of fire regime, fuels, and fire effects in southern California chaparral: lessons from the past and thoughts for the future
Chaparral is an intermediate fire-return interval (FRI) system, which typically bums with high-intensity crown fires. Although it covers only perhaps 10% of the state of California, and smaller areasExpand
Historic Fire Regime in Southern California Shrublands
Historical variability in fire regime is a conservative indicator of ecosystem sustainability, and thus understanding the natural role of fire in chaparral ecosystems is necessary for proper fireExpand
Wildland Fire and Chaparral Succession Along the California-Baja California Boundary
Theunited States-Mexico international bound- ary from El Paso, Texas to the Pacific Coast shows clear differences in plant communities that were homogeneous prior to being split by a continuous fenceExpand
Prescribed Mosaic Burning in California Chaparral 1
fire-prone ecosystems, knowledge of previous fire history and long-term fire regimes is essential to the establishment of ecologically sound fire management. In the Californian chaparral, fireExpand
Variations in a regional fire regime related to vegetation type in San Diego County, California (USA)
This study considers variations in a regional fire regime that are related to vegetation structure. Using a Geographic Information System, the vegetation of San Diego County, Southern coastalExpand
Fire suppression impacts on postfire recovery of Sierra Nevada chaparral shrublands
A substantial portion of chaparral shrublands in the southern part of California’s Sierra Nevada Mountain Range has never had a recorded fire since record keeping began in 1910. We hypothesised thatExpand
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TLDR
Chaparral succession is not a series of vegetational replacements, but a gradual ascendance of long—lived species present in the pre—fire stand, and the climax community is composed of large shrub specimens with subshrubs clustered around their skirts and a canopy broken by intershrub spaces. Expand
DIVERSITY RELATIONS AND SUCCESSION IN CALIFORNIAN COASTAL SAGE SCRUB
TLDR
While there are -50 widespread sage scrub species, more than half of the 375 species encountered in the present study of the sage scrub flora are rare in occurrence within the habitat range. Expand
FIRE HISTORY OF A SEQUOIA-MIXED CONIFER FOREST'
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The short mean intervals between fires suggest that pre-1875 mixed conifer forests did not usually have heavy accumulations of litter or dense thickets of under- story trees, and that the lack of frequent, low-intensity fires has resulted in a major increase in understory forest and fuels. Expand
NUTRIENT CHANGES IN TWO CHAPARRAL SHRUBS ALONG A FIRE‐INDUCED AGE GRADIENT
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Considerable data suggest luxury consumption of nutrients in both species following fire, and the contemporaneous occurrence of restricted net nutrient uptake and observed stand senescence suggest a possibility of a causal relationship. Expand
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WATER RELATIONS OF SELECTED SPECIES OF CHAPARRAL AND COASTAL SAGE COMMUNITIES
Water potentials, leaf resistances to water loss, and relative saturation deficits of selected shrub species of chaparral and coastal sage communities were measured each month from June 1973 throughExpand
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TLDR
The greater vegetation cover and drier soils on the north—facing slope are probably related to the drought—resistant nature of vegetation in this mediterranean climate. Expand
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A LTHOUGH the influence of burning on vegetation is well known, it is not always fully understood. Many botanists have based their judgments on the present picture alone, without considering theExpand
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A new Forest Service policy, effective February 1978, allows some wildfires to burn under prescribed conditions, urges a multidisciplinary approach to fire control, and has applications to rural andExpand
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The effect of stage of maturity, method of storage and storage time on the nutritive value of Sandhills upland hay and the in vitroibility of whole grasses and their parts at progressive stages of maturity is studied. Expand
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