Neophyte management protocol 2012
Description
The perennial control of neophytes in the Gesäuse National Park led to a reduction of invasive plants. In Lettmairau, for example, they are virtually no longer perceptible to the visitor. However, there are some hot spots that still cause problems. In addition, there are a few new occurrences.
At the Kummerbach estuary, Canadian and giant gold rods have spread massively and there is a danger of high trekking through a fresh snow in the new woodcut above it. It thus represents the most dangerous spot in the National Park at the moment on the railway and AHP grounds, also strongly pushing gold rods. Fighting is very cumbersome, and the success of the contaminated environment is questionable.
The situation at the sewage treatment plant in Johnsbach is of concern. Although located outside the National Park, the area has an influence on it through the stream bank of the Johnsbach. The danger here comes from the Great Springkraut, which grows at the newly built wooden storage site as well as on the river bank, and whose seeds are flooded into the Johnsbach and thus enter the national park. Furthermore, springweed seeds can be carried away by transporting wood and the existing Japanese perennial nodule by transporting the stones stored between them.
Mowing the gold rod using Motorsense shows first success: A second mowing was only needed in a few places this year. This method leads to a weakening of the plants, so that they can grow smaller and lower and sometimes even with the rhizomes can be pulled out by hand. The stocks right next to the forest road in the avalanche troughs of the Kalktal and Brettwald are still dense, while individually standing gold rods are declining.
The perennial processing weakened the Japanese perennial nodules at all locations. They no longer grow into giant specimens, but are subdued in the vegetation and thus under control, so to speak. There is hardly any danger of spreading. Further control and regular processing is still necessary, but the effort is low. The plant is of concern at the Johnsbach sewage treatment plant. If the stones between which it grows are transported away, it can easily be carried away.
Everywhere the large springweed could be contained, yet new places appear again and again. Here, a rapid and thorough elimination shows the greatest and fastest successes.
The continuation of the measures on the Fritz-Proksch-Weg could not be handed over to Naturefriends Weng, as the further supervision of the path through the association is questionable. This Natura 2000 site will probably also be processed by the Gesäuse National Park in the future. Support came from the Steiermärkische Landesforste by mowing the meadow strip along the wild fence, which prevents the large springweed from being pushed from above.
The railway line poses a permanent and growing risk of immigration and the spread of various neophytes due to the lack of fight on the part of ÖBB. In particular, the easily spread seeds of the gold rod can easily and quickly colonise the nearby torn ground, as it arises on construction sites or measures along (forest) roads. Structural measures in the vicinity of large neophytes should therefore be avoided during semen time in late summer and autumn.
Resources
| Name |
Format |
Description |
Link |
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33 |
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http://nationalpark.co.at/de/forschung/veroeffentlichungen/pflanzen-pilze-und-flechten/3995-2012-neophytenmanagement-protokoll-2012-3995 |
Tags
- biologie
- naturschutz
- opendocument
- schutzgebiet
- nationalparks-austria