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GROWTH DYNAMICS OF TWO CHAPARRAL SHRUB SPECIES WITH TIME AFTER FIRE

The effect of stand age on growth dynamics of two chaparral shrubs, Adenostoma fasciculatum and Ceanothus greggii, was studied in southern California. It was asked whether shoots of young shrubs grow faster than those of old ones, and if on young shrubs more shoots develop per square meter of canopy...

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Bibliographic Details
Published in:Madroño 1990-01, Vol.37 (4), p.225-236
Main Authors: Larigauderie, Anne, Hubbard, Terry W., Kummerow, Jochen
Format: Article
Language:English
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Summary:The effect of stand age on growth dynamics of two chaparral shrubs, Adenostoma fasciculatum and Ceanothus greggii, was studied in southern California. It was asked whether shoots of young shrubs grow faster than those of old ones, and if on young shrubs more shoots develop per square meter of canopy projection area than on old ones. These measurements were made in ten chaparral stands representing six different ages ranging from 6 to 87 years. Measurements taken biweekly throughout the 1984 growing season indicated no decline in growth rates or biomass of new shoots with increasing stand age. Variability in measurements was as high among even-aged stands as among stands of differing ages. Measured values were very low compared to earlier studies, probably because of very low rainfall in 1983-1984.
ISSN:0024-9637
1943-6297