Abstract
Rumex alpinus is a perennial species with a monopodial rhizome consisting of annual growth segments which are products of individual seasons. In nutrient-rich habitats, R. alpinus is a strong dominant suppressing other species under its dense canopy. The rhizome pattern and dynamics of a stand of R. alpinus were studied in the Krkonose Mts, Czechoslovakia. Rhizomes of R. alpinus remain alive for 13.0±3.2 (mean±S.D.) yr. Segment width can be used as an estimate of shoot biomass since these variables are closely correlated. The long-term growth dynamics of R. alpinus stands was simulated by a stochastic model. This enabled prediction of a) the fate of individual ramets within the stand, b) the number of genets in the stand, c) successive changes in spatial pattern, and d) lateral extension of the stand (...)
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