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Flooded Meadow Communities an Analysis of Productivity in a Dry Year

Jana Jakrlová
Folia Geobotanica & Phytotaxonomica
Vol. 6, No. 1 (1971), pp. 1-27
Published by: Springer
Stable URL: http://www.jstor.org/stable/4179607
Page Count: 27
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Flooded Meadow Communities an Analysis of Productivity in a Dry Year
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Abstract

In the year 1967, a study was made of the production of the following four selected plant communities arranged in an ecological series according to moisture: Serratuleto-Festucetum commutatae, Gratiola officinalis-Carex praecox-suzae subass. Galium boreale, Gratiola officinalis-Carex praecox-suzae subass. Rorippa silvestris; and Glycerietum maximae, the most humid member, partly left unmowed. Attention was paid to the rate of aerial and root production, root: shoot ratio, weight ratio of various plant groups to the dominant, vertical structure of the vegetation, and ash content. Primary dry matter production was used for determining the values of growth characteristics: relative growth rate R and productivity C.

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