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Monitoring of two invasive plants: Sakhalin Knotweed (Reynoutria sachalinensis) and Japanese Knotweed (R. japonica)Friday, 29 August 2014

As a part of the project, the second monitoring of Reynoutria sachalinensis and Reynoutria japonica was conducted on 29.07.2014 in the Pieniny National Park.

The monitoring covered the 11 km long section of the Dunajec river stretching from the rafting centre in Sromowce Niżne to a place called Zawiesy in Krościenko n.D.-Piaski. The task required the use of rafting boat what helped in observation of river banks. All the shoots of plants were counted, measured, recorded and carefully removed. The action was a continuation of a several-year programme to eradicate these invasive species, which was launched in June this year. This will also provide a feedback on the effectiveness of the methods used in the programme. The aim of the action was to carry out the monitoring of sites which had been previously occupied by these invasive species in order to check if the implemented measures were effective.
The next monitoring is planned for August this year. It will be continued over the next several years.
Translated by Ewelina Zając