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Effects of drainage on the botanical richness of peat grassland

Effects of drainage on the botanical richness of peat grassland

Netherlands Journal of Agricultural Science 35(2): 103-112

The botanical richness of peat grassland is known to decrease after drainage and subsequent intensification of grassland exploitation. It is not know whether both events are responsible for this decrease. If intensive exploitation is less detrimental to the botanical richness when it is not preceded by drainage, omitting drainage would be preferable for the sake of nature management. To assess the separate effects of drainage on the botanical richness of peat grassland the original data of three previously executed studies were re-analysed. The results indicate that on extensively used grasslands the drainage alone has already great negative effects on botanical richness. On more intensively exploited grasslands only effects of nitrogen supply were found and no substantial drainage effects. This implies that omitting drainage seems to have hardly any advantage for the botanical richness when the intensification of exploitation goes on.

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Accession: 001580557

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