期刊
FOLIA GEOBOTANICA
卷 53, 期 1, 页码 41-47出版社
SPRINGER
DOI: 10.1007/s12224-017-9302-3
关键词
Hay meadow management; Leaf blowing; Plant species richness; Bryophyte; Hay making process; Conservation value
Low-input dry meadows are habitats of high nature value. More and more, less time-consuming harvesting techniques replace different steps of the traditional hay making process. The use of leaf blowers instead of rakes for hay making became popular in the last ten years in Switzerland. Thus, we set up a case study to test effects on the conservation value. The studied dry meadow of high nature value is located in the municipality of Stans (Switzerland). After five years no significant differences between blown and raked plots in species richness, richness of target an indicator species, medium plant-indicator values, i.e. nutrients, humidity, light or in the species assemblages were observed. From 2010 until 2014 the moss cover increased in all plots. The differences between raked and blown plots were not significant. In 2015, however, the difference between the two treatments increased to 13%. While the moss cover of the blown plots remained at 20%, the moss cover of the raked plots dropped to 7%. These results from only one case study and only a short observation period of five years do not allow a generalization, but they give a first impression of the short-term effects. We recommend managers of dry meadows with high nature values to keep an eye on the change of moss cover and potential changes of conservation values when leaf blowers instead of rakes are used for hay harvesting.
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