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Effect of eutrophication on primary production of a herbaceous wetland
 BORDOVSKÁ, Monika
This work is part of a study of wet meadows within the project GA CR 526/09/1545. The objective of the project is to determine the importance of newly assimilated carbon for the plat-soil interactions of plants with in wet grassland ecosystems in changing environmental conditions. As part of this project, a wet grassland ecosystem near Hamr situated in the Nežárka river floodplain was assessed in terms of aboveground production. This work includes data from 2010 and 2011. Each year the biomass was sampled two times. At each sampling, 24 samples were collected from plots differing in the intensity of fertilization. The treatments included high intensity of fertilization, low intensity of fertilization and no fertilization. In 2010, the annual production of aboveground biomass was 863.88 gm-2 on plots with a high intensity of fertilization, 788.46 gm-2 on plots with low intensity of fertilization and areas 839.69 gm-2 on unfertilized plots. In 2011 the annual production of aboveground biomass was 1149.71 gm-2 on plots with high fertilization, 953.73 gm-2 in plots with low fertilization, and 930.25 gm-2 on plots without fertilization.
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