Growth patterns of reed (Phragmites australis): the development of reed stands in carp ponds

Author: Ritterbusch David  

Publisher: Springer Publishing Company

ISSN: 0967-6120

Source: Aquaculture International, Vol.15, Iss.3-4, 2007-06, pp. : 191-199

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Abstract

Reed stands exhibit apparent differences of stem diameter, shoot length, density, and invasiveness. In carp ponds, five characteristic growth patterns can be distinguished. These growth patterns are ontogenetic states of a time-dependent stand development. Invasive reeds with short shoots are found in newly occupied habitats. With continuing establishment of the stand, the shoots in the inner regions become taller and fewer, a growth pattern described as central reed. Later, only a few shoots with thick stems remain. Two alternative pathways of stand development exist: steep shore reed and reed tussocks. By mowing, the directional development of reed stands can be turned into a circulation of growth patterns. The growth patterns have implications for the selection of reed stand areas for conservation purposes.

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