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Occupation of Biological Space During Seedling Establishment
M. A. Ross and John L. Harper
Journal of Ecology
Vol. 60, No. 1 (Mar., 1972), pp. 77-88
Published by: British Ecological Society
Stable URL: http://www.jstor.org/stable/2258041
Page Count: 12
You can always find the topics here!Topics: Seedlings, Plants, Species, Plant growth, Population growth, Population mean, Population growth rate, Barley, Sowing, Population distributions
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Capture of resources by individual seedlings during their establishment was studied in high density populations of Dactylis glomerata. Growth of each individual was most influenced by the density of previously emerged neighbours. Spatial distribution of neighbours exerted less influence and the effect of seed size was negligible. The influence of emergence time in producing a divergence of individual growth rates following emergence is illustrated. Growth rates of individuals were also found to be directly related to the third power of their mean distance from neighbours.
Journal of Ecology © 1972 British Ecological Society